4th Grade Science Projects Resources : Page 7

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea examines whether boys and girls differ in reflexes.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.