Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

Find out the the cool science behind ice cubes with this fun worksheet.

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Change up your regular classwork with this hands-on science worksheet!