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.

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.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This project explores ways to prevent static electrical shocks.

This science fair project idea uses the process of chemical weathering to change a mineral.

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.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Science fair project that determines which foods and drinks contain the highest amount of glucose.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

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

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

In this science fair project, students examine how temperature affects sugar transport within a plant.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

This experiment will explore the best way to create a perfect soft-boiled egg.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.