Put your science thinking to the test.

Earth rotates, moving locations into and out of sunlight.

Friction resists motion when two surfaces rub against one another.

Vibrating objects make the surrounding material vibrate, creating sound.

A transparent material lets most light pass through it.

Moving an object closer to a light source generally makes its shadow larger.

Melted water can freeze into solid ice again.

Moving water can carry soil and rock particles from one place to another.

Iron is one of the materials that magnets can attract.

Testing shows what works and what could be changed.

Earth is the planet where we live.