Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates the hardness property of minerals.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

The project investigates how friction affects motion by using different surface textures.

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

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea explores substances that cause a bubble to last longer.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

In this science fair project you will make a model of a cell membrane using very simple material.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.