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

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.

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

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

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.