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

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

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

This activity will inspire adults and kids alike to take time to explore the beauty in their community and discover the colors of fall while developing their descriptive and creative writing skills!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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.

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

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

This science fair project demonstrates the "power of conformity".

Help your third grader make the Scoop 'N Catch--a great choice for a fun and inexpensive afternoon.

Does your child love Roly, the orange cat from our Brainzy games? Create the perfect dress-up costume and bring your child’s dreams to life!

Understanding what forgiveness is and why it is important for friendships is a critical life skill. In this home activity, your child will learn about forgiveness and write a forgiveness letter to someone.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This science fair experiment examines the relationship between gender, age, and smiling.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Help your fifth grader create an art card that celebrates the enduring values of Passover.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Do you think heat can affect a plant's growth rate?

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This activity with add some fun and education to long car trips. Perfect for family vacations!