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This science fair project idea produces sounds by creating vibrations using different objects.

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project idea determines what household items are good conductors of electricity.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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.

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

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project idea experiments with spinning color wheels and optical illusions.

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.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea investigates how magnetism can defy the force of gravity.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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 examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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 discovers whether there are some objects that do not fall at a constant rate.