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Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

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

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

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?

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

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.

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

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.

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).

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.

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

Show your kindergartener how to count to 100 by tens, and he'll get an adorable cheerio necklace in the process!

Got a fussy eater on your hands? Here's a great way to make fruit appear more appealing, and make eating it a lot more fun, too!

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Exponents can be tricky to learn. Fortunately this game provides plenty of multiplication practice for your math student!

Get a leg up on counting concepts with this project where art and math collide.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This game is a great way to help your child remember the names of shapes. Give it a go and before you know it, your kid will have all her shapes down pat.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.