Search 4th Grade Science Projects : Page 10

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Discover how and which salt melts ice the quickest.

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

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea determines which method of hand cleansing is the most effective.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea explores the egg's thin membrane.

This science fair project idea determines the most effective method of preserving food.

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 the different properties of matter.

This science fair project idea determines what household items are good conductors of electricity.

Find out whether putting something on top of a plant will inhibit its growth.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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

The goal of this project is to create an exciting topographical map out of dough.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!