This science fair project teaches students the differences between fruits and vegetables.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

This science fair project idea examines whether boys and girls differ in reflexes.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this science fair project, students make their own rain gauge to measure rainfall.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea determines what household items are good conductors of electricity.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.