Search 4th Grade Science Projects : Page 10

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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.

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.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!