Chapter 9 - Observing Matter
Did you know that when you look at a star, your eyes are capturing light that traveled all the way from the star to your eye? Learn more about how light carries information from distant objects.
Who was this genius named Einstein, and where did he get all his great ideas? Find out with this virtual tour of the many ways he changed science. It might just inspire the genius in you!
Thanks to Einstein, we know that space bends around anything that has mass. Need help bending your mind around this concept? Mix up some Jell-O, and play with your food!
What do books, posters, TV screens, and computer monitors have in common? They all render our 3D world in 2D. Playfully explore the third dimension by building an origami waterbomb.
From any place on Earth, a compass will always point north. But do you know why? Explore the inner workings of this tiny magnet by building one—and then testing it in your neighborhood.
Hands-on Activity, Classroom Activity
Brainstorm with your students a list of things that are possible in water that are not possible on land, and vice versa.