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!

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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!

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.