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

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

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

This science fair project idea determines if the color of light affects the growth of plants.

Test whether plants can grow without sunlight and water.

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

This science fair project idea investigates whether plants can survive being frozen.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

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

Find out whether putting something on top of a plant will inhibit its growth.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.