In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.