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

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

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

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

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:

Using a toy race car kids create a visual model of the Doppler Effect.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

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.

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

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

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

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!

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

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

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

In this activity, your child will be challenged to make a tower using paper cups.

Learn how different types of soil affect how animal tracks form in this experiment!

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

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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

Make an edible play dough with your child to help her develop her sensory and motor skills.

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!

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.