Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science research project challenges students to think of more effective lobster farming methods.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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

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.