1st - 4th Grade Science Projects Activities : Page 3

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Discover whether a metal will expand under hot water.

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

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

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

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

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

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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

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

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

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

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.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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.

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

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

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

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.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea investigates how color affects temperature.

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.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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

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