4th and 5th Grade Science Projects Resources : Page 3

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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!

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

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

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.

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!

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.

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

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

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.

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.

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 how color affects temperature.

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

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!

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

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