1st - 5th Grade Science Projects Activities : Page 2

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Take a dive into the candy jar with this yummy science experiment.

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

Discover how and which salt melts ice the quickest.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Find out which type of sponge holds the most water.

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.