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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.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project idea determines the probability of a coin landing heads or tails.

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.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this project children practice the scientific method while playing with puffy paint.

Discover how and which salt melts ice the quickest.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea examines the reason boats are shaped and engineered.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.