Challenge your learner to design and build a city of their own in this creative engineering activity.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea experiments with spinning color wheels and optical illusions.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Cleaning can be a chore, but not with this sudsy experiment!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.