Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this design challenge, your child will make a bottle rocket using typical household items.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

In this project, different brands of microwave popcorn are tested and compared.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

This science fair project idea examines liquids of different densities.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Find out whether putting something on top of a plant will inhibit its growth.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.