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.

Get a better understanding of water content by dehydrating carrots.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

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!

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

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

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.

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.

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

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

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!

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

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.

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

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

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

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.

Here's a simple science activity that will help your child better understand how wells bring us water.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

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

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!

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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.