In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

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

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

In this project children practice the scientific method while playing with puffy paint.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Get a better understanding of water content by dehydrating carrots.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea investigates whether air has mass and weight.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this science fair project, young children notice and track changes in trees throughout the year.