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Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This project determines what category of person is most likely to be ticklish.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.