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Tables charting the chemical elements have been around since the 19th century - but this modern version has a short video about each one.

We've done all 118 - but our job's not finished. Now we're updating all the videos with new stories, better samples and bigger experiments.

Plus we're making films about other areas of chemistry, latest news and occasional adventures away from the lab.

All these videos are created by video journalist Brady Haran, featuring real working chemists from the University of Nottingham.

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The Periodic Table of Videos - University of Nottingham

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Short videos about every element on the periodic table, plus other cool experiments and chemistry stuff

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Carbon... SO SIMPLE: Crash Course Biology #1

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Hi there. We're ExploreLearning!

We're an education technology company creating seriously fun solutions for the most critical challenges in K-12 STEM learning.

What's this serious fun business all about? Tell me more...

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We're an education technology company creating seriously fun solutions for the most critical challenges in K-12 STEM learning.

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Over 1.1 billion simulations delivered

160interactive simulations

97language translations

3001teacher-submitted lessons

Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.

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Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.

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Amplify Science is a K-8 science curriculum that blends hands-on investigations, literacy-rich activities, and interactive digital tools to empower students to think, read, write, and argue like real scientists and engineers.

Amplify Science for grades 6-8 has been rated all-green by EdReports.
Read the review on EdReports.
Access free sample

Grounded in research and proven effective

UC Berkeley's Lawrence Hall of Science, the authors behind Amplify Science, developed the Do, Talk, Read, Write, Visualize approach, and gold standard research shows that it works. Our own efficacy research is pretty exciting, too. See more of our research.

What educators say

"Just looking through the Amplify Science curriculum, I'm wishing I could go back in time and learn these concepts with these resources! I love that Amplify is more focused on diving deeper into fewer concepts over the year, rather than grazing the surface of more topics."

Lizzie Middle school teacher, KIPP charter network

What educators say

"In using this program, I have seen that my students are completely engaged and are able to visualize models of concepts using the simulations that they otherwise would not be able to visualize. The program is not about rote memory of facts-rather, it addresses the bigger picture and assesses a deeper understanding of science concepts."

Julie Science teacher, Georgia

What educators say

"The engineering units are engaging and really helped me better understand the new standards. I love being able to walk around and talk to students as they explore solutions, make claims, and reason with their peers."

Karla Science teacher, California

Amplify Science was developed by the science education experts at UC Berkeley's Lawrence Hall of Science and the digital learning team at Amplify. As The Lawrence's first curriculum designed to address the new science standards, Amplify Science reflects state-of-the-art practices in science teaching and learning.

Rooted in research

Amplify Science is rooted in the Lawrence Hall of Science's Do, Talk, Read, Write, Visualize model of learning. This research-based approach presents students with multiple modalities through which to explore the NGSS curriculum.

A flexible, blended program

Amplify Science includes hands-on activities, print materials, and powerful digital tools to support online and offline teaching and learning. Highly adaptable and user-friendly, the program gives schools and individual teachers flexibility based on their technology resources and preferences.

Students take on the roles of scientists and engineers.

In each unit, students take on the role of a scientist or engineer to investigate a real-world problem. These problems provide relevant contexts through which students investigate phenomena.

Built for the Next Generation Science Standards

When we created Amplify Science, we set out to create a science program that educators can use to bring the NGSS and three-dimensional science learning to life. In using the program, students engage with science and engineering practices, figure out disciplinary core ideas, and utilize and apply crosscutting concepts in multiple modalities across thoughtful, structured lessons, all centered around engaging anchor phenomena.

Learn more about Amplify Science and NGSS

Student Books

Age-appropriate Student Books allow students to:

engage with content-rich texts

obtain evidence

develop research and close-reading skills

construct arguments and explanations

Student Investigation Notebooks

Available for every unit, the Student Investigation Notebooks provide space for students to:

record data

reflect on ideas from texts and investigations

construct explanations and arguments

Student Investigation Notebooks

Available for every unit, the Student Investigation Notebooks provide space for students to:

record data

reflect on ideas from texts and investigations

construct explanations and arguments

Available with full-color article compilations for middle school units

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Amplify Science is a K-8 science curriculum that blends hands-on investigations, literacy-rich activities, and interactive digital tools to empower students to think, read, write, and argue like real scientists and engineers.

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Understanding Science - How science REALLY works...

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Understanding Science - How science REALLY works...

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Measuring, Calculating, and Graphing Tools:

Printable Graph Paper

5

This is an incredibly useful site from the people at Incompetech.com. Once you hit the page and choose "Graph Paper", you can set up the paper for any size grid you need. We like to set it for 1 centimeter squares so that it is easier for students to measure. Lots of other printing choices.

Create a Graph

6

Your students don't have graphing software? No problem, the National Center for Educational Statistics has developed a wonderful "learning tool" called Create a Graph. Students just pick the type of graph, input the data, choose formatting options and print it out or save it. A wonderfully intuitive site. Their Student Classroom is a fun web site to visit and well done.

Fun Data for You to Use :

Journey North

7

The name of this amazing "learning tool" and web site is Journey North. Data can be a wonderful gateway for inquiry. This tool allows students to follow the migration patterns of monarch butterflies, robins, gray whales, bald eagles and others. When you get to the site just click on the animal you would like to see the migration data of. You can even see who contributed the data. A tremendous site for students.

Earth Observatory: Data & Images

8

NASA continues to be a leader in science education! This "learning tool" is called the " Earth Observatory: Data & Images". Here you can explore data sets in a very visual way. Scroll your mouse over Atmosphere, Oceans, Land, Life on Earth, and Heat & Energy to see the specific variables you can choose. Select the variable and then build an animation to see it change over time. We recommend this tool many times.

Tagging of Pacific Pelagics

9

Good data can be the gateway to inquiry. The name of this "learning tool" is called Tagging of Pacific Pelagics and features the real time data tracking of blue fin tuna, sea turtles, sharks and many other large sea animals. Just click on the tabs at the top to select the type of animal you are interested in. This is an incredible site, full of interesting and accessible data for students to use.

National Data Buoy Center

10

The name of this "learning tool" is the National Data Buoy Center. When you get to the site, you will see a world map with rectangles, just click on the rectangle that you are interested in, then click on the buoy number to see data such as wind speed, water and air temperature, among others. A creative and groundbreaking site. Good data can be the bridge to inquiry based science lessons.

California Earthquake Data

11

This well done "learning tool" is from the United States Geologic Survey (USGS). This data rich and accessible site is called the Earthquakes Hazards Program - Northern California. The real time earthquake maps are especially good for students to see and use in their studies. The USGS does a wonderful job of science education for all age students.

Awesome Imaging Sites (some you can even collect your own data from!)

The Microscope Imaging Station

12

San Francisco's science museum is called the Exploratorium. It is an amazing place run by an amazing group of people. The Microscope Imaging Station is an incredible example of their work. Click on the Gallery first and see what they have for you. One of our favorites is the zebra fish page.

Google Maps

13

Google Maps is an incredible technical marvel. When you get to the site, just place your address, a comma, and then your zip code. Hit the search button and within a split second you have a map of your area, but the really amazing part is when you hit the "satellite" button on the far right side of the page. Zoom in and out and pan all over the American continent. An amazing feat from Google.

Google Mars

14

Google continues to supply amazing tools for students and teachers. Google Mars has made a giant leap beyond even the moon to give Googlers their first close up of Mars. You don't get the complete picture, but the locations of pretty much every landing, successful or otherwise, are depicted along with many of the most important geographical features such as Valles Marineris. The images were snapped some 250 miles out.

Web Enabled Virtual Microscope

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This "learning tool" is called the Web Enabled Virtual Microscope. Neuroinformatica is a proof-of-concept project that is defining the future of microscopy for researchers, students, and pathologists. Large portions of material on slides are scanned using a microscope, the images are placed on a web server, and a java applet on the client allows navigation and annotation of the material. Stunning quality images. This wonderful site is produced by MicroBrightField Inc.

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Measuring, Calculating, and Graphing Tools: Printable Graph Paper 5 This is an incredibly useful site from the people at Incompetech.com. Once you hit the page and choose "Graph Paper", you can set up the paper for any size grid you need. We like to set it for 1 centimeter squares so that it is easier for students to measure.

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For over 40 years, Don Johnston's tools have helped millions of students read, write, and learn-going wherever they want in life.

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Common problems on desktop (Windows, Mac, Linux OS)
Error: 'SpeechTexter cannot access your microphone'.
Please give permission to access your microphone.

Click on the "padlock" icon next to the URL bar, find the "microphone" option, and choose "allow".
Error: 'No speech was detected. Please try again'.
If you get this error while you are speaking, make sure your microphone is set as the default recording device on your browser [see step 2].

If you're using a headset, make sure the mute switch on the cord is off.
Error: 'Network error'
The internet connection is poor. Please try again later.
The result won't transfer to the "editor".
The result confidence is not high enough or there is a background noise. An accumulation of long text in the buffer can also make the engine stop responding, please make some pauses in the speech.
The results are wrong.
Please speak loudly and clearly. Speaking clearly and consistently will help the software accurately recognize your words.

Reduce background noise. Background noise from fans, air conditioners, refrigerators, etc. can drop the accuracy significantly. Try to reduce background noise as much as possible.

Speak directly into the microphone. Speaking directly into the microphone enhances the accuracy of the software. Avoid speaking too far away from the microphone.

Speak in complete sentences. Speaking in complete sentences will help the software better recognize the context of your words.
Can I upload an audio file and get the transcription?
No, this feature is not available.
How do I transcribe an audio (video) file on my PC or from the web?
Playback your file in any player and hit the 'mic' button on the SpeechTexter website to start capturing the speech. For better results select "Stereo Mix" as the default recording device on your browser, if you are accessing SpeechTexter and the file from the same device.
I don't see the "Stereo mix" option (Windows OS)
"Stereo Mix" might be hidden or it's not supported by your system. If you are a Windows user go to 'Control panel' → Hardware and Sound → Sound → 'Recording' tab. Right-click on a blank area in the pane and make sure both "View Disabled Devices" and "View Disconnected Devices" options are checked. If "Stereo Mix" appears, you can enable it by right clicking on it and choosing 'enable'. If "Stereo Mix" hasn't appeared, it means it's not supported by your system. You can try using a third-party program such as "Virtual Audio Cable" or "VB-Audio Virtual Cable" to create a virtual audio device that includes "Stereo Mix" functionality.
How to use the voice commands list?
The voice commands list allows you to insert the punctuation, some text, or run some preset functions (#newparagraph, #undo, #redo) using only your voice.

On the first column you enter your voice command. On the second column you enter a punctuation mark or a function. Voice commands are case-sensitive.

Available functions:
#newparagraph (insert new paragraph),
#undo (undo the last change),
#redo (redo the last change)

To use the function above make a pause in your speech until all previous dictated speech appears in your note, then say "insert a new paragraph" and wait for the command execution.
Can I prevent my custom voice commands from disappearing after closing the browser?
SpeechTexter by default saves your data inside your browser's cache. If your browsers clears the cache your data will be deleted.
However, you can export your custom voice commands to your device and import them when you need them by clicking the corresponding buttons above the list.
SpeechTexter is using JSON format to store your voice commands. You can create a .txt file in JSON format on your device and then import it into SpeechTexter.
An example of JSON format is shown below:
I lost my dictated work after closing the browser.
SpeechTexter doesn't store any text that you dictate. Please use the "autosave" option or click the "download" button (recommended). The "autosave" option will try to store your work inside your browser's cache, where it will remain until you switch the "text autosave" option off, clear the cache manually, or if your browser clears the cache on exit.

Common problems on Android app
I get the message: 'Speech recognition is not available'.
'Google app' from Play store is required for SpeechTexter to work. download

Where does SpeechTexter store the saved files?

Version 1.5 and above stores the files in the internal memory.

Version 1.4.9 and below stores the files inside the "SpeechTexter" folder at the root directory of your device.

After updating the app from version 1.x.x to version 2.x.x my files have disappeared

As a result of recent updates, the Android operating system has implemented restrictions that prevent users from accessing folders within the Android root directory, including SpeechTexter's folder. However, your old files can still be imported manually by selecting the "import" button within the Speechtexter application.

Common problems on mobile web app
Error: 'SpeechTexter cannot access your microphone'.
Please give permission to access your microphone.

Tap on the "padlock" icon next to the URL bar, find the "microphone" option and choose "allow".

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SpeechTexter | Type with your voice online

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Speech to text converter. Dictate with your voice. Free web app for typing with your voice. Over 70 different languages supported!

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A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

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Science News was founded in 1921 as an independent, nonprofit source of accurate information on the latest news of science, medicine and technology. Today, our mission remains the same: to empower people to evaluate the news and the world around them.

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How to Find Science Fairs and Other STEM Competitions

There are hundreds of science fairs, engineering fairs, and other STEM competitions held locally, nationally, and internationally every year. Some competitions require students to start at the local level and win in their category to advance. Other competitions are open to all students. The listings below include a collection of regional and state level science fairs for middle and high school students across the US. Each entry notes the city, state, website, and whether the fair can be entered by anyone ("open") or requires qualifying from another science fair ("qualify").

These fairs also have a Broadcom Coding with Commitment award, which is available to students in grades 5-8. Broadcom Coding with Commitment highlights coding as an essential 21st-century skill, a language and design tool that empowers students to actively engage in solving the problems they are most passionate about in their communities.

Register with Science Buddies to receive occasional invitations to participate in STEM competitions. Local science fairs and engineering fairs can also be found by asking science/STEM teachers at nearby schools.

For a comprehensive list of fairs at the local, regional and state levels in the US, as well as a list of international fairs visit the Directory of Fairs Across the Nation and the World

Science Buddies Engineering Challenge

The Science Buddies Engineering Challenge is an annual K-12 engineering challenge open to students in the U.S. and around the globe. The goal is to inspire all students to try their hand at engineer. Materials are low-cost, and the time commitment is short. Participating schools and non-profit organizations are entered in a lottery for cash prizes. Students and educators can use project directions and lesson plans to explore previous Engineering Challenges.

Explore Our Science Videos

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Directory of Science Fairs across the United States

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Biology Teaching Resources

Support Biology Corner

All student resources are available for free.

To support this site, purchase answer keys at TpT or DONATE via PayPal

I have taught biology for 30+ years and have uploaded and shared resources throughout my career. You are free to use and edit any of the documents. Tests and answer keys can be purchased from TpT.

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The Biology Corner - Resources for Teachers

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Resources for biology students that include worksheets, labs, and student activities. Find everything you need for your biology lessons here!!

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Space Simulator is a realistic space flight simulator game app. Players can explore an accurate Solar System with real physics, time and distances.

Re-live those magical moments of going to the Moon that heralded the age of space exploration. Learn to fly the Apollo like a real astronaut. Guided tutorials show you how to use the Apollo Guidance Computer to fly to the Moon as the astronauts did.

Vote for us in Steam GreenLight

Space Simulator is a realistic space flight simulator for PC/Mac and mobiles. Explore the entire Solar System with its planets, moons and other major bodies.

The game features the full Apollo Program and Space Shuttle program missions.

Launch from the Kennedy Space Center; enjoy the view from a parking orbit; travel to the Moon with a Trans-Lunar Injection; arrive with a Lunar Orbit Insertion; land on the Moon with the Lunar Module; lift off back into Lunar orbit; rendezvous with the CSM and return to Earth with reentry and splashdown. With Space Simulator you can relive every moment of the Apollo program from the comfort of your home, choosing to take as little or much manual control of the spacecraft as you wish.

Space-Simulator-Apollo-launch

Re-enact historical missions or create your own custom free-flight scenario on any of the major planets or their moons with a spacecraft of your choosing.

Space-Simulator-Apollo-launch

Space Simulator creates a coherent accurately sized Solar System running on real physics. Using a proprietary physics engine, Space Simulator runs complex double precision simulations for the very first time on mobile devices. The level of detail of simulation is unrivaled. All cockpits come with comprehensive Multi Functional Displays reporting on every aspect of your flight data. The Apollo modules comes with the Apollo Guidance Computer and DSKY running actual code from the 60's. All terrain is modeled with NASA imagery/altitude data.

Land on the Moon; enjoy the magnificent views of Earth from orbit; plan a trip to a faraway planet; practise your favorite maneuvers with gravitational slingshots, Hohmann transfer orbits, rendezvous or dock with the ISS; perfect your Space Shuttle landings or go to the edge of space and back with the hypersonic X15 Aircraft. The possibilities are endless and as unbounded as your wildest astronautic dreams.

The game features: * X15 missions * Gemini missions * Apollo missions * Space Shuttle missions * SLS missions * custom free flight mode

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Space Simulator is a realistic space flight simulator game app. Players can explore an accurate Solar System with real physics, time and distances. Re-live those magical moments of going to the Moon that heralded the age of space exploration. Learn to fly the Apollo like a real astronaut.

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Practice balancing chemical equations with this game!