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 the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

In this fun experiment, we'll find out how color affects heat absorption!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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