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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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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.

Microwave Madness

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

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

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

Solar Oven Design

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Color And Temperature

This science fair project idea investigates how color affects temperature.

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

Examining Mass And Density Of Popped And Unpopped Popcorn

This science fair project idea compares the mass and density of objects.

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

Short Circuit Stories

This science fair project idea examines readersâ expectations in regard to literature.

What Effect Does Oil have on Birds?

This science fair project determines how oil affects a bird’s waterproofing.

Make Your Own Crystal Art

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

Be A Web Master!

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

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.

What Do Leaves Do?

This science fair project idea teaches kids the different functions of a leaf.

How Do the Phases of the Moon Affect the Tides?

Figure it out in this fun science project!

Density Experiment

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

How Does time Perception Change As You Get Older?

This science fair project idea studies how time perception changes with age.

Science fair project that builds a magnetometer and demonstrate its uses.

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.

Observing the Principle of Conservation of Mass

This science fair project idea discovers the principle of conservation of mass.

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

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.

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