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?

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

In almost every preschool classroom is a sensory table. Learn how to make one at home!

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

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

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!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

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

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

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

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

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

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

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

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

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

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 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.

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

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

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

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

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

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

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

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.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

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