Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

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

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

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!