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This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This project compares the strength of one, two, and three-ply toilet paper.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

The objective of this science project is to determine the length of time for different seeds to germinate.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.