Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Make a backbone model to explore human anatomy and life science.

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

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Help your child make a beautiful homemade sandcastle that will last!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Make edible amber fossils with your second grader to explore the fascinating world of science!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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.

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

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.