Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea demonstrates that plants give off water.

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

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This science fair project idea investigates how magnetism can defy the force of gravity.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!