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This science fair project explores how osmotic pressure forces water through the root up into the plant.

Examine the effect of pressure on carbonation in soda.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project idea provides evidence that air is everywhere and takes up space.

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

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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.

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

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.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Explore if planting seeds in a certain direction will affect how fast it germinates.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

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.

This science fair project teaches students about wilting and browning of salad greens.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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

This science fair project investigates why the number of visible stars changes from place to place.

This science fair project idea explores which fruit molds the fastest.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea produces varying pitches of sound.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.