Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

Children hone their powers of observation using this worksheet template.

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

Brush up on some physics vocabulary with this energy word search!

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

Children put their science vocabulary to the test with this engaging crossword puzzle!

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

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