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

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

An home science experiment for older students that teaches about the science behind heat.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Help your child celebrate the summer and the sun by making a sandy seascape.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Show your preschooler how to construct this very special planter for Mom. It makes a great pick-me-up, and it's easy for kids to make in a flash!

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

This science fair project idea researches the effects of acid rain on plant growth.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?