Chapter 9 - Matter

physical_science

Unit E - Matter and Energy

Chapter 9 - Matter

Explore the evolution of matter and how the changes in matter affected how the Earth evolved.

Nature Explorations

Activity

Nature Explorations

No matter what the weather or season, you can explore nature with these 11 challenges. See just how good your observation skills are by comparing butterflies, leaves, reptiles, fish, and more. Then record your own observations in a field journal.

Thinking in Three Dimensions

Thinking in Three Dimensions

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.

Exploring Density

Activity

Exploring Density

Why do some materials sink to the core of a planet while others float to the crust? This experiment uses marshmallow fluff and molasses to illustrate the concept of planet differentiation.