Lightning Bolt Booksn

Lightning streaks across the sky. A lamp lights up a room. Electricity is all around you....

A light beach ball floats on the water. A heavy rock sinks in the mud. Matter is all arou...

Ice cubes clink in a glass. Steam rises from a pot of boiling water. Solids, liquids, and...

A pot of water boils over a hot burner on the stove. Sunshine warms your skin on a breezy...

Light shines through your kitchen window. A campfire brightens the dark woods. You see li...