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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

This science fair project idea examines the reason boats are shaped and engineered.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

This science fair project teaches students the differences between fruits and vegetables.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Use pepper and soap to discover some fun facts about the properties of water.

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

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.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Using a toy race car kids create a visual model of the Doppler Effect.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.