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 which objects float and sink in honey, water, and oil.

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

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair project idea produces sounds by creating vibrations using different objects.

This project examines what types of objects burn and which burn faster and cleaner.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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!

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

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

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

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

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

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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

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.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

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.