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

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

In this project, you will observe and record changes in sunspots over two weeks.

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

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Examine the connection between temperature and chemiluminescence.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

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

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

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Explore the electrical energy present in energy drinks.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project that determines whether brain size is correlated with intelligence.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.