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!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science fair project idea examines which type of insulation holds in the most heat.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Have your child kick off their summer vacation by making a miniature water slide!

This science fair project idea explores substances that cause a bubble to last longer.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.