Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea examines whether boys and girls differ in reflexes.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

In this project, you will observe and record changes in sunspots over two weeks.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Explore the negative and positive consequences of stereotypes.

Explore the belief in astrology as a predictive system.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This science fair project idea identifies and understands adaptations in birds.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Word color association is just a fancy way to talk about the way we connect colors with words.