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Science Fair Project Ideas

Find the earth & space science and engineering science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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This science fair project determines the average and individual concentrations of salt found in water from various points along an estuary.
How Does Saltwater Mix in an Estuary
Ecology
Middle School
Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.
Exploring Soil Sandwiches
Geology
Fourth Grade
In this free science fair project idea, we model the movement of worms and fish by analyzing their swim bladder and peristalsis movement methods.
Creative Movements: What Causes the Wavelike Movement in an Earthworm’s Body?
Oceans
Elementary School
Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.
Exploring the "Breaking Up" of Pangaea
Earth & Space Science
Elementary School
Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.
How Fast Does a Seismic Wave Travel?
Earth & Space Science
Elementary School
This science fair project idea demonstrates sonar mapping of the ocean floor.
Understanding Sonar Mapping of the Ocean Floor
Geology
Elementary School
Free science fair project idea about using microscopes and magnifying lens to find out what grainy soil particles make up dirt.
Grainy: What Kinds of Particles Make up Soil?
Geology
Ecology
This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Arch Magic: The Unbreakable Egg
Engineering
Elementary School
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Crystal Fudge
Geology
Eighth Grade
In this science fair project, students will use four different household objects to see which ones form the most or best crystals.
Substrate City: What Household Objects Form the Best Crystals?
Geology
Elementary School
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Flow Rate and Plant Growth
Ecology
Sixth Grade
This project tests the feasibility of earthworms as a means of recycling kitchen waste into fertile garden soil.
Can Earthworms be Used to Recycle Kitchen Wastes into Fertile Garden Soil?
Ecology
Fourth Grade
In this science fair project, students create their own miniature salt flats at home.
Create Your Own Miniature Salt Flats!
Geology
Fourth Grade
In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.
Measuring Heart Rate with Doppler Ultrasound
Engineering
Middle School
In this science fair project, students make their own rain gauge to measure rainfall.
DIY Rain Gauge
Weather and Climate
Fourth Grade

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