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This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

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

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.