2nd - 8th Grade Science Projects Activities : Page 2

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

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

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

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

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

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea explores whether talking to a plant will help it grow.

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

Discover how and which salt melts ice the quickest.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

This project examines whether people's taste perception is influenced by what they see.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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!