Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this design challenge, your child will create a parachute for a small toy using typical household items.

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!

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

The project investigates how water and movement affects erosion.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.