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

Explore the neural and mental mechanisms at play in mental imagery.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

This science experiment tests if dog saliva can really help heal wounds.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project idea demonstrates sonar mapping of the ocean floor.

In this project, you will observe and record changes in sunspots over two weeks.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

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.

Science fair project that determines whether mass and weight are the same or different.

This science fair project idea investigates the hardness property of minerals.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Check out this cool science fair project on identifying rocks and minerals for kids.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Will the shape of an ice cube impact how fast the ice melts?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.