Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project idea determines effective strategies to help students stay awake and attentive.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Determine whether the application of Febreeze will lower the bacterial count.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Science fair project that creates fog using bottles of hot and cold water.

This simple bookmaking activity will introduce and reinforce alphabet and number recognition skills that have been taught at home or learned in preschool.

Determine which metal has the highest rate of conductivity.