Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea determines if the color of light affects the growth of plants.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This science fair project teaches students about wilting and browning of salad greens.

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

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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

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