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How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

In this experiment we will be determining whether birds prefer certain colors of seed.

Your child can use watercolors to paint butterflise and to practice the "wet into wet" technique, an important step in art.

Halloween bingo is a fun Halloween word and symbol activity for ghosts and ghouls of all ages. Play Halloween bingo this October to get into the spooky spirit.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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

Make practicing addition facts more fun and teach your child the helpful strategy of adding quickly to 10 in this fun and easy-to-make card game!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

Learn about the CUPS strategy, a useful tool for editing children's writing.

Children will reflect on the importance of diversity and brainstorm ways to support people in their community who may feel alone, researching local organizations that strive to help those people.

Discover how and which salt melts ice the quickest.

Learn all about cause and effect as your child experiments with an exploding pumpkin in this engaging fall activity! Get the whole family involved with this simple science experiment that is a fun and exciting way to combine Halloween and science.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Examine the effect of pressure on carbonation in soda.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Create a unique and colorful Mother's Day gift that Mom can use all year. Upcycle a tea tin by wrapping it with Washi tape!

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This biodiversity project examines the biodiversity in your own backyard.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Check out this cool science fair project on identifying rocks and minerals for kids.