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This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Help your child hunt and capture bugs to observe to practice important science skills and satisfy her curiosity simultaneously!

Make a backbone model to explore human anatomy and life science.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

This science fair project idea investigates how the shape of an object affects drag.

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!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Free science fair project idea examining how different types of water affect plant germination and growth.

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

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

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