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.

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

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

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.

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.

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.

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

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.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

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.