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This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea investigates if fats add to the flavor of food.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea investigates how magnetism can defy the force of gravity.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea examines the reason boats are shaped and engineered.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!