The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Do different types of oil mix or stack? Find out in this science fair project idea!

This project compares the strength of one, two, and three-ply toilet paper.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

The project determines which type of birds prefer which type of birdseed.

This science fair project idea explores whether talking to a plant will help it grow.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea examines which type of insulation holds in the most heat.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

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

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.