This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea explores whether white light can be separated into different colors.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Test whether plants can grow without sunlight and water.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Cleaning can be a chore, but not with this sudsy experiment!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project idea explores the egg's thin membrane.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.