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In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

Examine the effect of pressure on carbonation in soda.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

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

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea compares biodiversity between drops of water.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.