Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

This science fair project investigates why the number of visible stars changes from place to place.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This science fair project idea determines the probability of a coin landing heads or tails.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.