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In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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.

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

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!

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

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea demonstrates that plants give off water.

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.

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

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

How powerful is the reaction between baking soda and vinegar? Find out here!

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

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea investigates how color affects temperature.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.