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If the Youtube Link does not work, you can use this.

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Common Name:

Great White Shark

Scientific Name:

Carcharodon carcharias

Group Name:

School, shoal

Size:

15 feet to more than 20 feet

Size relative to a bus:

About great white sharks

While the shark in Jaws was inspired by a great white shark in New Jersey, the legendary fish is far less fearsome in reality. As scientific research on these elusive predators increases, their image as mindless killing machines is beginning to fade.

Found in cool, coastal waters around the world, great whites are the largest predatory fish on Earth. They grow to an average of 15 feet in length, though specimens exceeding 20 feet and weighing up to 5,000 pounds have been recorded.

They have slate-gray upper bodies to blend in with the rocky coastal sea floor, but they get their name from their white underbellies. They're streamlined, torpedo-shaped swimmers with powerful tails that can propel them through the water at speeds of up to 15 miles per hour. They can even leave the water completely, breaching like whales when attacking prey from underneath.

Hunting and diet

Highly adapted predators, their mouths are lined with up to 300 serrated, triangular teeth arranged in several rows, and they have an exceptional sense of smell to detect prey. They even have organs that can sense the tiny electromagnetic fields generated by animals. Their prey includes other sharks, crustaceans, molluscs, and sea birds. Larger whtie sharks will also prey on sea lions, seals, and small toothed whales like orcas. The species has even been seen feeding on dead whales.

Shark attacks

Of the 100-plus annual shark attacks worldwide, a third to a half are attributed to great white sharks. Most of these, however, are not fatal. Research finds that great whites, which are naturally curious, often "sample bite" then release their human target. It's not a terribly comforting distinction, but it does indicate that humans are not actually on the great white's menu. Fatal attacks, experts say, are typically cases of mistaken identity: Swimmers and surfers can look a lot like their favorite prey-seals-when seen from below.

Population and conservation

There is no reliable population data for the great white shark, but scientists agree that their number are decreasing precipitously. Overfishing and getting accidentally caught in fishing nets are their two biggest threats. The species is classified as vulnerable-one step away from endangered-by the International Union for the Conservation of Nature.

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Common Name: Great White Shark Scientific Name: Carcharodon carcharias Group Name: School, shoal Size: 15 feet to more than 20 feet Size relative to a bus: While the shark in Jaws was inspired by a great white shark in New Jersey, the legendary fish is far less fearsome in reality.

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There are three parts to this pop quiz:
1) This form
2) Explaining to me the Trolley model
3) Labeling the Trolley model

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Join an activity with your class and find or create your own quizzes and flashcards.

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Please complete the assignments on  legends of learning! Have fun!

Just in case you have forgotten your log-ins :
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hwilson@stpamd.org

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An electric flying vehicle called Skai (pronounced "sky") was unveiled × unveil DAVID PAUL MORRIS-GETTY IMAGES to show something to others for the first time (verb) Apple unveiled the new iPhone yesterday. yesterday near Los Angeles, California. Skai is made by Alaka'i Technologies. The vehicle has six rotors on top. Inside, there are seats for five passengers. To many people, Skai looks like a cross between a giant drone and a car. Alaka'i Technologies hopes the vehicle will one day serve as a flying taxi, a cargo carrier, and an ambulance.

Other companies, such as Boeing and Airbus, are also designing electric aircraft. They are using batteries to power them. But batteries can weigh the vehicles down.

Skai uses hydrogen fuel cells to power its rotors. Hydrogen fuel cells are a lighter alternative to batteries. They allow the vehicle to transport 1,000 pounds. They might also be less damaging to the environment. "It's the cleanest form of energy on the planet," Bruce Holmes told Digital Trends, a technology news website. Holmes is on the board of Alaka'i Technologies.

A test flight will take place near the company's Massachusetts headquarters. But it may be years before the aircraft is cleared to carry passengers. Skai must first meet regulations. These regulations are set by the Federal Aviation Administration (FAA).

"The technology is interesting, but the regulatory road will be very long," Thaddeus Lightfoot said. Lightfoot is an attorney. He helps companies navigate FAA rules.

Alaka'i Technologies is hopeful that Skai will get FAA approval to fly passengers soon. In the meantime, the company's CEO, Stephen Hanvey, says the craft could be used to transport food and water. It could also serve as a mobile cell tower in places struck by natural disasters.

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An electric flying vehicle called Skai (pronounced "sky") was unveiled yesterday near Los Angeles, California. Skai is made by Alaka'i Technologies. The vehicle has six rotors on top. Inside, there are seats for five passengers. To many people, Skai looks...

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Skai and Michael jones

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An electric flying vehicle called Skai (pronounced "sky") was unveiled × unveil DAVID PAUL MORRIS-GETTY IMAGES to show something to others for the first time (verb) Apple unveiled the new iPhone yesterday. yesterday near Los Angeles, California. Skai is made by Alaka'i Technologies. The vehicle has six rotors on top. Inside, there are seats for five passengers. To many people, Skai looks like a cross between a giant drone and a car. Alaka'i Technologies hopes the vehicle will one day serve as a flying taxi, a cargo carrier, and an ambulance.

Other companies, such as Boeing and Airbus, are also designing electric aircraft. They are using batteries to power them. But batteries can weigh the vehicles down.

Skai uses hydrogen fuel cells to power its rotors. Hydrogen fuel cells are a lighter alternative to batteries. They allow the vehicle to transport 1,000 pounds. They might also be less damaging to the environment. "It's the cleanest form of energy on the planet," Bruce Holmes told Digital Trends, a technology news website. Holmes is on the board of Alaka'i Technologies.

A test flight will take place near the company's Massachusetts headquarters. But it may be years before the aircraft is cleared to carry passengers. Skai must first meet regulations. These regulations are set by the Federal Aviation Administration (FAA).

"The technology is interesting, but the regulatory road will be very long," Thaddeus Lightfoot said. Lightfoot is an attorney. He helps companies navigate FAA rules.

Alaka'i Technologies is hopeful that Skai will get FAA approval to fly passengers soon. In the meantime, the company's CEO, Stephen Hanvey, says the craft could be used to transport food and water. It could also serve as a mobile cell tower in places struck by natural disasters.

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An electric flying vehicle called Skai (pronounced "sky") was unveiled yesterday near Los Angeles, California. Skai is made by Alaka'i Technologies. The vehicle has six rotors on top. Inside, there are seats for five passengers. To many people, Skai looks...

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Every year, TIME magazine puts out its list of best inventions. This year's roundup includes 200 innovations that are changing how we live, work, learn, and play. TIME for Kids highlighted 10 of them here. Which invention do you think...

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IT HELP KIDS IN THE HOSPIDO AND MAKE THEY HAPPY AND PLAY WITH THEM IT HAS A HEART TO CHERE KIDS UP IT LIGHT UP THERE DAY AND HELP THEM EAT WHEN THEY DO NOT WANT TO EAT AND. LOVE BRYANNA

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https://www.timeforkids.com/g56/tech-for-trees-2/?rl=en-900

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In 2012, Topher White visited a wildlife sanctuary in Indonesia. He and his fellow volunteers were hiking through the rain forest when they came across a man cutting down a huge tree.

They were watching illegal logging in action. Illegal logging is a big problem in rain forests around the world. It contributes to climate change and destroys habitats × habitat WOLFGANG KAEHLER/LIGHTROCKET-GETTY IMAGES the place where a plant or an animal normally lives (noun) The emperor penguin's natural habitat is in Antarctica. for rain-forest creatures.

The logger fled the scene, but the experience bothered White. He knew the wildlife sanctuary employed rangers to watch out for illegal loggers. But the guards hadn't known about the man White saw. How did they miss him?

White, a trained engineer, thought technology could be part of the solution in the fight against deforestation × deforestation JASON ONDREICKA-GETTY IMAGES the process of clearing an area of forest (noun) The animal's numbers had shrunk due to habitat caused by deforestation. . "The rain forest is a noisy place, but it's also a noisy thing to cut a tree down," he told TIME for Kids. "It struck me that there had to be a way to hear this."

All Ears

Over the next few months, White created a device he calls a Guardian. It's a recycled smartphone powered by solar panels. Guardians can pick up the sound of a chain saw from two-thirds of a mile away. They are mounted on trees, high in the rain-forest canopy.

When a Guardian detects a chain saw, it sends an alert to rangers, indicating where the sound is coming from. The rangers then set off to stop the illegal activity. "If you go that early, if you really respond the moment you get the alert, there's a chance that you can show up before much of the tree has even been cut," White says.

Working Together

White installed the first Guardians in Indonesia, at the wildlife sanctuary where he got the inspiration for the project. Two days later, the devices helped rangers interrupt a logger. "That convinced me others could use this too," White says.

Since then, White has started a nonprofit group called Rainforest Connection to create and install Guardians all over the world. Rainforest Connection now covers 90,000 square miles of rain forest in 10 countries. Guardians also help protect animals against poaching.

White says he couldn't have done any of this without local partners. "We're just tech support for them," he says. "The people who are really making a difference and fighting climate change are on the ground in the rain forest."

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In 2012, Topher White visited a wildlife sanctuary in Indonesia. He and his fellow volunteers were hiking through the rain forest when they came across a man cutting down a huge tree. They were watching illegal logging in action. Illegal logging is a big problem in rain forests around the world.

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Every year, TIME magazine names the year's best inventions. This year, the list includes robotic hands, recyclable footwear-what will they think of next? Inventors are always at work, dreaming up new technologies. Some inventions help us solve problems. Others make life easier, or more fun. Here, TFK presents 10 of our favorite inventions. Next week, look for our issue on amazing young inventors.

Got Wheels?

JOE LINGEMAN FOR TIME

Stopping Sickness

Christine Schindler is an engineer. She wanted to help stop the spread of illnesses. So she created PATHSPOT. It uses light to scan a person's hands for harmful germs, such as E. coli. Restaurant employees hold their hands beneath the scanner. Then the scanner evaluates whether they must be rewashed. About 100 locations have started using the product since it launched in May, including some Chopt and Pokéworks restaurants. -Jamie Ducharme

Play By Sight

The company Roli usually designs products for skilled musicians. Now it wants to reach those who are still learning to play. "We hope that LUMI closes the gap between people's love of music and their fear about playing it," says Roli's Will MacNamara. The small Lumi keyboard lights up, allowing users to learn which keys to press. With an app, users can learn their favorite songs and work their way up to full music lessons. Roli plans to roll out Lumi to schools across the United States. It will be available to the wider public soon. -Jasmine Aguilera

Future Farm

Millions of people around the globe suffer from . AEROFARMS says its indoor farming technology can help. Instead of growing in dirt, crops grow in reusable cloth made from recycled water bottles. The plants are watered with mist. This requires 95% less water than field farming. AeroFarms has already produced enough food to sell to big grocery chains and restaurants. "We're the only commercial grower in the world doing what we're doing," says cofounder Marc Oshima. -Justin Worland

A Lifelike Hand

JOE LINGEMAN FOR TIME

An AI-Powered Teacher

This robot may look like a cute alien, but don't let the design fool you. It's actually an AI tool that helps kids learn language and STEM skills. ROYBI ROBOT responds to your unique learning style. It can recognize your emotions and deliver the content you enjoy most. With the robot, you can hear a story, sing a song, or learn a lesson. Kayla Prochnow works at Roybi. She says the robot gives kids personalized education and hopes it will build a strong foundation for success. -Madeleine Carlisle

Talking Eyes

Sport-Safe

JOE LINGEMAN FOR TIME

Research shows that playing football increases the risk of brain injury. Still, about a million kids under the age of 13 play tackle football, according to the Sports & Fitness Industry Association. That's where the VICIS ZERO1 YOUTH football helmet comes in. It has thick, force-absorbing support on the front and sides. That's where kids are likely to take the hardest hits on the field. Players on 1,500 youth teams have worn the helmet. -Sean Gregory

Fresh Kicks

JOE LINGEMAN FOR TIME

At first, these sneakers look no different from any other running shoes. The innovation comes when you're done with them. Instead of throwing the sneakers away, you can return them to Adidas. Then 100% of each FUTURECRAFT.LOOP shoe can be reused to make new ones. The shoes are built from a single material and contain no glue. James Carnes of Adidas says they're meant to be a first step to "clean up some of the environmental impact that we create" each year. -Madeleine Carlisle

Joyride

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Every year, TIME magazine names the year's best inventions. This year, the list includes robotic hands, recyclable footwear-what will they think of next? Inventors are always at work, dreaming up new technologies. Some inventions help us solve problems. Others make...

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Each year, TIME for Kids picks the coolest and most helpful new inventions. Kid of the Year Gitanjali Rao, 15, is an inventor. This year, we let her take the lead. Gitanjali selected these items from TIME's list of the 100 Best Inventions of 2020. Read what she has to say below.
SHARIF HAMZA FOR TIME

Our generation is seeing problems that have never existed before, in addition to serious long-standing issues. We need to innovate, generate new ideas, and build on them in order to have a meaningful impact on the future. We want a world. Young people will play a significant role in getting us there. So let's change the old ways. I hope the inventions on this list will inspire you to come up with solutions of your own. -By Gitanjali Rao

Ultimate Indoor Garden

IMAGES OF PRODUCTS COURTESY BEST INVENTIONS COMPANIES

Eating a salad is more satisfying when you harvest the greens yourself. Want to grow a garden but don't have a backyard? Consider a Gardyn. This vertical indoor-growing system is powered by . It lets you choose from 32 plants, including fruits, vegetables, greens, herbs, and flowers that will appear right in your home. Load the seedpods into Gardyn. Then an app monitors variables. These include light and humidity. Cameras let you know when your crops are ready to harvest. -By Marjorie Korn

Following the Conversation

IMAGES OF PRODUCTS COURTESY BEST INVENTIONS COMPANIES

Robotics might be the answer to making virtual classes feel more human. The Meeting Owl Pro is a 360° tabletop camera. It shifts its lens and microphone to whoever is speaking. In "hybrid" classes and meetings, virtual participants will have a better feel for what's happening in the room. "It's able to follow the conversation," says Owl Labs cofounder Max Makeev. To date, Owl Labs products are used by more than 50,000 companies and universities, as well as K-12 schools across the United States. -By Jesse Will

Portable Purifier

IMAGES OF PRODUCTS COURTESY BEST INVENTIONS COMPANIES

"When people want clean water, they reach for plastic bottles," says CrazyCap CEO Rakesh Guduru. For those who want a more sustainable way to hydrate on the go, Guduru created a bottle cap. It uses cleansing UVC light to sanitize water in just 60 seconds. The device has two settings. One purifies water from taps or public fountains. The other purifies water from streams and ponds-perfect for hikers and campers. The cap is rechargeable and compatible with many reusable bottles. -By Simmone Shah

High-Tech Tutor

JESSICA PETTWAY FOR TIME

Robots have always fascinated Van Robotics CEO Laura Boccanfuso. But she felt most were too expensive and technical for real-life use. So she developed ABii. It's a robot tutor that helps kids learn math and reading. Many students are learning from home because of the coronavirus pandemic. "Schools more than ever need individualized learning help," Boccanfuso says. ABii comes with lessons created by teachers. It uses a camera to detect changes in a student's attention. Then it adjusts its approach for individual learners. -By Nadia Suleman

Taking Notes

JESSICA PETTWAY FOR TIME

In 2013, Magnus Wanberg noticed his colleagues taking notes on paper instead of on laptops and phones. "Why hasn't anyone replaced paper with technology?" he wondered. This led him to make the reMarkable paper tablet. The note-taking device converts handwriting into digital text. Released in 2016, its thin design mimics paper. Now, Wanberg has made the reMarkable 2. At less than a quarter-inch thick, the device is 30% skinnier than the original. Its battery can go two weeks per charge. -By Mariah Espada

Robofriend

JESSICA PETTWAY FOR TIME

This friendly robot is designed to boost and social skills. It's for kids ages 5 to 10. Moxie was created by experts in education and child development. Between them, they have worked on the TV show Mister Rogers' Neighborhood, for Pixar, and for the Jim Henson Company. In Moxie, you'll find a compassionate pal who encourages reading and drawing. The robot sends kids on missions, such as writing kind notes to family members or talking about feelings with a friend. -By Marjorie Korn

Helpful Headset

IMAGES OF PRODUCTS COURTESY BEST INVENTIONS COMPANIES

AlterEgo, designed by researchers at the MIT Media Lab, seems to read your mind! The headset lets you communicate with a computer without touching a keyboard or speaking. To do a task, such as search for a weather forecast, ask the question to yourself, silently. The headset's sensors read signals from your face. Then, using a web connection, the device does the task on your laptop. Researchers found that a could understand its user 92% of the time. -By Jason Cipriani

Smaller Compact Car

IMAGES OF PRODUCTS COURTESY BEST INVENTIONS COMPANIES

Do your parents get frustrated looking for a parking spot in a busy area? City Transformer's electric vehicle could be the solution. The Israeli company's two-seater car is tiny. But it can reach 55 miles per hour. Even better? When traveling at slower speeds, the vehicle can pull its wheels in closer for a one-meter (about one yard) width. This helps it fit into narrow streets and snug spots. City Transformer expects the first vehicles to be on the road in Tel Aviv, Israel, by 2022. -By Patrick Lucas Austin

Handwashing Station

IMAGES OF PRODUCTS COURTESY BEST INVENTIONS COMPANIES

Handwashing is one of the best ways to prevent the spread of viruses. But about 40% of the world's population lacks running water and soap at home. That's why Japan's LIXIL has created the SATO Tap. It's a , refillable handwashing station with a soap holder. The gadget is expected to go on sale in early 2021, for between $3 and $6. LIXIL is working to get 500,000 units to households around the world in the next year. -By Ciara Nugent

More-Inclusive Gaming

JESSICA PETTWAY FOR TIME

About 46 million gamers in the U.S. live with a disability. For some, standard controllers, mouses, and keyboards are challenging to use. In 2018, Microsoft introduced its Xbox Adaptive Controller. It has ports where you can plug in aids, such as a foot pedal. Now Microsoft has partnered with Logitech to make the Adaptive Gaming Kit. For $99, players get 10 buttons, two triggers, hooks, pads, loops, and other gear to customize their controllers. One reviewer described the kit as "honestly revolutionary." -By Matthew Gault

Better Smartphone

IMAGES OF PRODUCTS COURTESY BEST INVENTIONS COMPANIES

More than 50 million tons of electronic waste is created each year. Much of it includes materials that were unethically sourced. (For example, the gold found in circuit boards is often mined under dangerous conditions.) But Fairphone makes phones using responsibly sourced materials. And they're built to last. Made of up to 40% recycled plastic, the new Fairphone 3+ has an expected life span of five years. It also has replaceable parts. You can swap your battery, screen, or camera with a screwdriver. This encourages users to keep their devices longer. -By Patrick Lucas Austin

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Each year, TIME for Kids picks the coolest and most helpful new inventions. Kid of the Year Gitanjali Rao, 15, is an inventor. This year, we let her take the lead. Gitanjali selected these items from TIME's list of the...

# data[].attributes.attachment_link.readable_text
In 2012, Topher White visited a wildlife sanctuary in Indonesia. He and his fellow volunteers were hiking through the rain forest when they came across a man cutting down a huge tree.

They were watching illegal logging in action. Illegal logging is a big problem in rain forests around the world. It contributes to climate change and destroys habitats × habitat WOLFGANG KAEHLER/LIGHTROCKET-GETTY IMAGES the place where a plant or an animal normally lives (noun) The emperor penguin's natural habitat is in Antarctica. for rain-forest creatures.

The logger fled the scene, but the experience bothered White. He knew the wildlife sanctuary employed rangers to watch out for illegal loggers. But the guards hadn't known about the man White saw. How did they miss him?

White, a trained engineer, thought technology could be part of the solution in the fight against deforestation × deforestation JASON ONDREICKA-GETTY IMAGES the process of clearing an area of forest (noun) The animal's numbers had shrunk due to habitat caused by deforestation. . "The rain forest is a noisy place, but it's also a noisy thing to cut a tree down," he told TIME for Kids. "It struck me that there had to be a way to hear this."

All Ears

Over the next few months, White created a device he calls a Guardian. It's a recycled smartphone powered by solar panels. Guardians can pick up the sound of a chain saw from two-thirds of a mile away. They are mounted on trees, high in the rain-forest canopy.

When a Guardian detects a chain saw, it sends an alert to rangers, indicating where the sound is coming from. The rangers then set off to stop the illegal activity. "If you go that early, if you really respond the moment you get the alert, there's a chance that you can show up before much of the tree has even been cut," White says.

Working Together

White installed the first Guardians in Indonesia, at the wildlife sanctuary where he got the inspiration for the project. Two days later, the devices helped rangers interrupt a logger. "That convinced me others could use this too," White says.

Since then, White has started a nonprofit group called Rainforest Connection to create and install Guardians all over the world. Rainforest Connection now covers 90,000 square miles of rain forest in 10 countries. Guardians also help protect animals against poaching.

White says he couldn't have done any of this without local partners. "We're just tech support for them," he says. "The people who are really making a difference and fighting climate change are on the ground in the rain forest."

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In 2012, Topher White visited a wildlife sanctuary in Indonesia. He and his fellow volunteers were hiking through the rain forest when they came across a man cutting down a huge tree. They were watching illegal logging in action. Illegal logging is a big problem in rain forests around the world.

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https://www.timeforkids.com/g56/car-in-sky/

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An electric flying vehicle called Skai (pronounced "sky") was unveiled × unveil DAVID PAUL MORRIS-GETTY IMAGES to show something to others for the first time (verb) Apple unveiled the new iPhone yesterday. yesterday near Los Angeles, California. Skai is made by Alaka'i Technologies. The vehicle has six rotors on top. Inside, there are seats for five passengers. To many people, Skai looks like a cross between a giant drone and a car. Alaka'i Technologies hopes the vehicle will one day serve as a flying taxi, a cargo carrier, and an ambulance.

Other companies, such as Boeing and Airbus, are also designing electric aircraft. They are using batteries to power them. But batteries can weigh the vehicles down.

Skai uses hydrogen fuel cells to power its rotors. Hydrogen fuel cells are a lighter alternative to batteries. They allow the vehicle to transport 1,000 pounds. They might also be less damaging to the environment. "It's the cleanest form of energy on the planet," Bruce Holmes told Digital Trends, a technology news website. Holmes is on the board of Alaka'i Technologies.

A test flight will take place near the company's Massachusetts headquarters. But it may be years before the aircraft is cleared to carry passengers. Skai must first meet regulations. These regulations are set by the Federal Aviation Administration (FAA).

"The technology is interesting, but the regulatory road will be very long," Thaddeus Lightfoot said. Lightfoot is an attorney. He helps companies navigate FAA rules.

Alaka'i Technologies is hopeful that Skai will get FAA approval to fly passengers soon. In the meantime, the company's CEO, Stephen Hanvey, says the craft could be used to transport food and water. It could also serve as a mobile cell tower in places struck by natural disasters.

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An electric flying vehicle called Skai (pronounced "sky") was unveiled yesterday near Los Angeles, California. Skai is made by Alaka'i Technologies. The vehicle has six rotors on top. Inside, there are seats for five passengers. To many people, Skai looks...

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Post your article along with the name of your invention below.

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Grading Rubric-

4 Points Student (1) researched and identified an invention or
technology; (2) explained the energy transfers involved in the
invention or technology; (3) took notes, planned, and
presented a way to improve the chosen invention or
technology; (4) presented the results to the class.
1, 2, or 3 Points Student correctly completed one, two, or
three of the four activities, respectively.

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Use this website to research inventions 

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Use this website to research inventions 

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Every year, TIME magazine puts out its list of best inventions. This year's roundup includes 200 innovations that are changing how we live, work, learn, and play. TIME for Kids highlighted 10 of them here. Which invention do you think...

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1. Energy Causes Change Simulation 11/18

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1. Energy Causes Change Simulation 11/18