In this fun activity, your child will create their very own solar oven to bake s'mores!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this activity your child will create their very own marble maze!

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.

Discover whether cold or hot water from the faucet will boil faster on the stove.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Discover whether a metal will expand under hot water.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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 about wilting and browning of salad greens.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea determines what household items are good conductors of electricity.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

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.