1st - 4th Grade Physical Science Resources : Page 4

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Try this chemistry experiment with your curious kid and get some "shocking" results!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

This science fair project idea produces sounds by creating vibrations using different objects.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.