What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?