In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Create a self-portrait from natural materials in this collage craft activity!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

I scream, you scream, we all scream for homemade spearmint ice cream!

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?

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this science fair project, students use the streak test to tell minerals apart from each other.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!