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Earth and Space Science Fair Projects

Looking for science fair project ideas that will make your kid a star at his upcoming science fair? Education.com's editorial staff has curated a rich collection of cool Earth and space science fair projects written by our team of talented professional scientists, science teachers, and educational consultants. Our Earth science projects and Earth science experiments give inquisitive kids the opportunity to identify unknown minerals and discover why certain volcanic rocks can float. Our space science projects give students the chance to do everything from building a model rocket to determining the elliptical path of a planet's orbit using applied math.

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This science fair project investigates how temperature of a room affects the burn rate of a candle.

How Do the Phases of the Moon Affect the Tides?

Figure it out in this fun science project!

Measuring the Diameter of the Sun

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Density Experiment

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

Horizontal Projectile Motion

Score a bull's eye with this cool science fair project on horizontal projectile motion.

Relationship Between the Distance and Time of a Falling Object

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

How Do Weather Conditions Affect How Fast a Puddle Evaporates?

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

What is Topography?

Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Primary Sensory Cortex

This high school science fair project idea helps you compare the sensitivity of touch receptors in different areas of the body and between different people.

Be A Web Master!

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Make Your Own Crystal Art

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Homemade Vacuum Chamber

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

Salt Water Density

The objective of this science fair project is to investigate salt water density.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Plants Form Water

This science fair project idea demonstrates that plants give off water.

Is it a Fruit or a Veggie?

This science fair project teaches students the differences between fruits and vegetables.

Biodiversity in a Drop of Water

This science fair project idea compares biodiversity between drops of water.

How do Disinfectants Work?

This science fair project idea investigates how different disinfectants work in killing germs.

Salty Ocean Circulation

Science fair project that models the effect of global warming on the ocean's circulation.

Fossils and Coal Formation

Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

Microwave Madness

This science project idea examines the effect of microwaving on various objects.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Radio Waves, It's In The Air: Build A Basic Radio

The purpose of this science fair project is to build a basic radio.

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