Search 4th Grade Science Projects: Page 2

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this science fair project you will make a model of a cell membrane using very simple material.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project in which you make cheese in your own kitchen using milk, lemon juice and cheese cloth.

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Discover whether a metal will expand under hot water.

Test whether plants can grow without sunlight and water.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Find out which kind of bubble wrap fares best when put in impact.

Examine the effect of pressure on carbonation in soda.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?