A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

Science fair project that cultivates slime mold and monitors the stages of its development.

Experiment with magnetism in this 8th grade science activity in which your child will create a working compass using a steel needle, magnet, and jar.

This science fair project idea demonstrates sonar mapping of the ocean floor.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

This science fair project idea increases the space efficiency of living areas and encourages economic improvements via new real estate ideas.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

This science project researches the correlation between barometric pressure and wind velocity.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Free science fair project idea examining how different types of water affect plant germination and growth.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

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.

This science fair project idea will be examining oxidation and acid rain

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.