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What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Have your child kick off their summer vacation by making a miniature water slide!

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.