Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Learn how different types of soil affect how animal tracks form in this experiment!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Do you think heat can affect a plant's growth rate?

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Encourage your child to jump into sea creature science by creating her own colorful "socktopus" sculpture.

Determine whether the relationship between a personâs armspan and height are genetic.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

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.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.