This science fair project idea investigates how color affects temperature.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project idea explores the different properties & interactions of sugar molecules.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

This project determines what category of person is most likely to be ticklish.

Examine the effect of pressure on carbonation in soda.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.