When Germs Attack!

How in the world can something as big as the solar system possibly fit in your pocket? Complete this simple modeling activity and find out, as young scientists gain an appreciation for the incredible scale of outer space.

Extremely large or extremely small numbers are difficult to comprehend. To help understand the massive scale of the solar system, learners complete two activities. First, they create a model to compares the size of the bodies in the...

Ecosystem, human body system, weather system. We hear the word system a lot, but what does it really mean? In the activity, pairs or groups of learners discuss how a bicycle is a system and then analyze objects in their classroom and...

Unlock the mystery behind seasonal change with a collection of worksheets and activities. Whether they are drawing pictures of Earth's orbit around the sun or graphing the temperature and daylight hours of different locations...

Could super immunity be the next big super power? Discover the amazing inner workings of the immune system through an engaging video from an interesting science playlist. Animated antibodies take on a variety of pathogenic invaders while...

Tuberculosis is one of the most pervasive—and one of the oldest—diseases in the world. Why is it so hard to control the spread of this sickness? Watch an informative video about the white plague, also known as consumption, that...

Help your class understand the magnitude of the distance between Earth and Mars with an activity that asks small groups to use balloons to create scale models of the Earth, Moon, and Mars. Class members figure out the distances...

How does the absence of gravity affect the human body? The skeletal system, circulatory system, and the sense of balance are all impacted. With a very casual tone, an astronaut explains the changes to these body systems and also an...

[Free Registration/Login may be required to access all resource tools.] The urinary system controls the amount of water in the body and removes wastes. Any problem with the urinary system can also affect many other body systems. Learn...

Students describe DNA and the roles in which engineers are involved with the human body.  In this DNA lesson plan students participate in a class demonstration.