This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This classic children's game demonstrates how sound travels through air vs. through a solid.

This project investigates the affect of storage temperature on microwave popcorn.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this design challenge, your child will create a parachute for a small toy using typical household items.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

The objective of this science fair project is to investigate salt water density.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.