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Students explore how gene rates change within a population when the environment changes

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Explore how organisms with different traits survive various selection agents within the environment.

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Students learn about what causes wind and other daily weather conditions

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Description: Even though we experience wind nearly every day most students don't know why the wind blows. Unequal heating of the Earth causes areas of low and high pressure. Wind is simply the movement of air from an area of high pressure to an area of low pressure. Students could keep track of the wind speed and wind direction over a long period of time. They could then try to determine the cause of wind in their local environment.

Web Resource: NOAA - Why Does the Wind Blow?

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Why Does the Wind Blow? - The Wonder of Science

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Description: Even though we experience wind nearly every day most students don't know why the wind blows. Unequal heating of the Earth causes areas of low and high pressure. Wind is simply the movement of air from an area of high pressure to an area of low pressure. Students coul

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Students discuss the pros and cons of mutations using a real world example

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Description: Sickle-cell anemia is caused by a single nucleotide mutation in the β-globin gene of red blood cells. This creates incorrectly structured proteins and red blood cells with a characteristic "sickle" shape. This harmful mutation does not affect carriers of the disease. However this mutation can be beneficial in certain areas because it offers protection from malarial infections. This phenomenon can be used in a unit on genetics or evolution.

Web Resources: The Making of the Fittest: Natural Selection in Humans - HHMI, Sickle-cell Disease - Wikipedia

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Malaria and Sickle Cell Anemia - The Wonder of Science

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Description: Sickle-cell anemia is caused by a single nucleotide mutation in the β-globin gene of red blood cells. This creates incorrectly structured proteins and red blood cells with a characteristic "sickle" shape. This harmful mutation does not affect carriers of th

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Students explore how precipitation rates vary across the US

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NASA's Global Precipitation Measurement mission has produced its first global map of rainfall and snowfall. The GPM Core Observatory launched one year ago on Feb. 27, 2014 as a collaboration between NASA and the Japan Aerospace Exploration Agency and acts as the standard to unify precipitation measurements from a network of 12 satellites. The result is NASA's Integrated Multi-satellitE Retrievals for GPM data product, called IMERG, which combines data from all 12 satellites into a single, seamless map. The map covers more of the globe than any previous precipitation data set and is updated every half hour, allowing scientists to see how rain and snow storms move around nearly the entire planet. As scientists work to understand all the elements of Earth's climate and weather systems, and how they could change in the future, GPM provides a major step forward in providing the scientific community comprehensive and consistent measurements of precipitation.

Missions

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Datasets used in this visualization

Note: While we identify the data sets used in these visualizations, we do not store any further details, nor the data sets themselves on our site.

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NASA Scientific Visualization Studio | IMERG Precipitation Rates Across the USA

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Animation of IMERG precipitation rates across the United States from August 4th, 2014 through August 11th, 2014. Hurricane Bertha can be seen off the east coast early in the animation. || NASA's Global Precipitation Measurement mission has produced its first global map of rainfall and snowfall.

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Students learn about what causes and stops motion

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Motion & Forces: The Motion Story | PBS NC Science | PBS LearningMedia

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What causes motion? What starts you walking down the street or a ball rolling? And what changes motion ? Why does a ball thrown up in the air slow down, stop and come back down again? Watch this animation to find out.

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This is a series of lessons that students explore extreme weather, discuss what would happen if weather variables were different, and how these extreme weather cases are linked to climate change

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Students examine the causes and effects of extreme weather events and read to contrast weather and climate. Next, they create and revise models of an extreme weather event using knowledge of weather variables. Finally, students link extreme weather events and climate change. Students use an interact…

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Students make predictions about what animals evolved from common ancestors

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Video computer games, virtual labs and activities for learning and reviewing biology content. Great for students and teachers.

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Supplemental materials for teaching Newton’s 3rd law including a simulation, PLIX, readings and more

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Community in the Face of Climate Change - Lesson Plans

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Community in the Face of Climate Change - Lesson Plans

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Students analyze how communities can leverage local government and community advocacy to address environmental events driven by climate change.

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SECTIONS Unit OverviewFacilitation ResourcesStandardsStudent Work This unit was created by Lisa Holewa, an upper elementary educator at Parkside Montesorri in San Mateo, California, as part of the 2022-2023 Pulitzer Center Teacher Fellowship program. It is designed for facilitation across ten 90-min…

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Sound Waves - Does Temperature affect their motion? 

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Sound Waves - Does Temperature affect their motion? 

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Students learn how sound travels and explore how sound travels at different temperatures

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Today's Wonder of the Day was inspired by JIHAI. JIHAI Wonders, " Why does the temperature effect the speed of sound? " Thanks for WONDERing with us, JIHAI!

What's today's temperature where you live? The rising and falling of temperatures affects many parts of life. Warm days might welcome you outside to play a game with friends. Humid or rainy afternoons make this more difficult. Cold, snowy days can provide their own sort of fun!

Did you know temperature can even change the speed of sound? It's true! Are you WONDERing how? Let's start by talking about what sound is. Sound waves are made by vibrations . The waves can't travel through a -they rely on the of any given . These carry sound waves from their to your ears!

What does temperature have to do with this? You may have learned a bit about this topic in school. Heat is a form of -the faster a 's move, the higher its temperature is. When these move slower, the temperature cools.

Look around you. Everything you see is made from : computer screens, house plants, pieces of paper, and even your own body! The air you're breathing also contains . The temperature outside on any given day is determined by the speed of air .

On warm days, air move faster. That means they also carry sound waves faster, increasing the speed of sounds. Can you guess what happens on the coldest winter days? If you think sound travels slower, you're right! Air move at a slower pace when the temperature is cold, so they carry sound waves at a slower pace as well.

Of course, speed isn't everything. Have you ever noticed that you're able to hear sounds from farther away on cold days? It's not just your imagination! While sound moves faster in warm air, it doesn't travel as far as it does in colder temperatures.

Temperature isn't the only thing that affects the speed of sound. For instance, humidity also has an . By making air less , low humidity helps sound waves move faster. Air pressure can also make a difference.

The next time you're looking for a fun outdoor activity, try experimenting with sound. Note the air temperature, and then invite some friends to help you see how far and fast different sounds can carry. Have fun learning more about how sound waves travel!

NGSS.PS4.A, NGSS.PS1.A, NGSS.PS3.A, CCRA.R.1, CCRA.R.2, CCRA.R.4, CCRA.R.10, CCRA.L.3, CCRA.W.4, CCRA.W.7, CCRA.W.8, CCRA.L.6, CCRA.SL.1, CCRA.SL.2

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How Does Temperature Affect the Speed of Sound?

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We don't know about you, but we love the SOUND of another great Wonder of the Day!

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There are readings for the three laws of motion as well as worksheets that correspond with the readings.

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Newton's Laws of motion describe the connection between the forces that act upon an object and the manner in which the object moves. An understanding of forces and their tendency to balance or not balance each other is crucial to understanding how the object will change or not change its state of motion.

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A short video showing the powers of inertia.

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This site is a curated collection of science phenomena for the NGSS, along with phenomenon based learning resources and help for how to use phenomenon to drive student questions in the classroom centered around 3 dimensional teaching and learning.

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Students explore how sound waves move by changing the frequency of the wave, the density inside of the box, and the angle of the wall

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This simulation lets you see sound waves. Adjust the frequency or volume and you can see and hear how the wave changes. Move the listener around and hear what she hears.

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This resource can be used to develop and use models of the absorption of light and observe how different wavelengths of light interact with water.

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Observe how different wavelengths of light penetrate to different depths in the ocean and see how colored objects change appearance as they descend underwater. Use this resource to develop and use models of the absorption of light and observe how different wavelengths of light interact with water.

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Students discover the ancestor of the crocodile dating back 230 million years ago and learn about the evolution of the crocodiles

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Scientists are now discovering the earliest ancient crocodiles by tracing one branch of the vast tree of life 230 million years into the geologic period called the Triassic. There is little about the planet of the Triassic that humans would recognize.