Concept Questions on Gases
In this science activity, high schoolers examine the concepts related to gases and use the information in order to create an understanding to answer the given questions.
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Human Impact on the Food Web of Santa Cruz Island
What happens when a non-native species is introduced onto an island? Santa Cruz Island, part of the Channel Island chain located off the coast of southern California, provides the perfect laboratory for young environmental scientists to...
9th - 12th Science
Passing Gases: Effusion, Diffusion and the Velocity of a Gas
We know that gases move throughout and out of our bodies, but why? And how? Learn about gas movement by analyzing rates of effusion. Additionally, watch an interesting precipitate reaction using gases to apply effusion, diffusion, and...
11 mins 9th - 12th Science CCSS: Adaptable
How Do Greenhouse Gases Actually Work?
Why does the temperature on the moon get so much hotter and colder than the temperature on the earth? The video answers this question and many more. It incorporates a discussion of the importance of atmosphere and how greenhouse gases...
3 mins 6th - 12th Science CCSS: Adaptable
The Effects of Underwater Pressure on the Body
Exactly what causes the the pain you feel when diving to the deep end of a pool? Find out with this short video that explores the physical laws governing the behavior of gases and the ways they affect marine life and scuba divers that...
4 mins 6th - 12th Science CCSS: Adaptable
Could Comets Be the Source of Life on Earth?
For thousands of years people have observed comets as they pass through the solar system, but could there be more to these celestial bodies than meets the eye? Watch this video to learn how these objects have recently been found to...
4 mins 7th - 12th Science CCSS: Adaptable
New Review Investigating Temperature Changes on Evaporating Liquids—Microscale Chemistry
Is there more to evaporation than just less liquid? Show young scientists the energy transformation that occurs during a phase change through a series of simple experiments. Lab partners place drops of water, ethanol, and ethoxyethane on...
6th - 12th Science CCSS: Adaptable
Molar Volumes of Gases
In the United States, motor vehicles cause around 75 percent of the carbon monoxide pollution, but how do we measure this pollution? The 21st video in a series of 30 discusses what we mean by molar volumes of gases. It covers why we need...
4 mins 9th - 12th Science CCSS: Adaptable