Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Help your child learn about animal classification with this fun and delicious activity.

Learn whether writing things down really makes things easier to remember.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project will help students learn about non-vascular plants, such as mosses.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Learn all about balance and motion as your child designs a corn maze!

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.