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

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

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!

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

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

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

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

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!

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

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

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

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

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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

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 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 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.

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.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.