Search 4th Grade Science Projects : Page 3

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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

This science fair project idea provides evidence that air is everywhere and takes up space.

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.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

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.

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.

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.