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Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Use this great no-bake recipe to save energy and keep cool.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

This science fair project idea investigates food preference of birds.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

This project examines how temperature affects the volume of gas in balloons.

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Use familiar household items and decorations to turn estimation into a fun game!

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.