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

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

This science fair project idea determines if the color of light affects the growth of plants.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Find out whether a longer airplane will fly farther or a wider paper airplane.

An home science experiment for older students that teaches about the science behind heat.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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.

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.

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

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 highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Find out whether putting something on top of a plant will inhibit its growth.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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.

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Learn all about balance and motion as your child designs a corn maze!