Search 3rd Grade Science Projects : Page 3

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Determine if gender affects the ability to identify different smells.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea explores whether talking to a plant will help it grow.

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

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project teaches students the differences between fruits and vegetables.