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This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Find out whether matte or shiny nail polish lasts longer.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea explores substances that cause a bubble to last longer.

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

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

Discover whether a metal will expand under hot water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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

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

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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 science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.