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

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

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

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

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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 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.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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 challenged to make a tower using paper cups.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

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

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

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

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

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

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

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

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.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

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

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 play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

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

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!