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.

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

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

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!

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.

The objective of this experiment is to evaluate the effects of acid rain on plants.

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.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

This science fair project idea determines which flower lasts the longest.