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!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

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.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This project examines what types of objects burn and which burn faster and cleaner.

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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