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.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

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 experiment examines if space objects become round after reaching a certain mass.

Science fair project that illustrates the properties of black holes in space.

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

This science fair project idea designs a unique, eco-friendly living space and encourages advances in green architecture.

This science fair project idea increases the space efficiency of living areas and encourages economic improvements via new real estate ideas.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

This science fair project idea compares the cuteness reaction between genders.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

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.

This science fair project idea discovers the practical applications for the structural design of a snail shell.

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 fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

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!

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

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

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

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

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.