2nd Grade Science Projects Activities : Page 3

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea demonstrates that plants give off water.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Using a toy race car kids create a visual model of the Doppler Effect.

This project determines what category of person is most likely to be ticklish.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

In this project children practice the scientific method while playing with puffy paint.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Test whether plants can grow without sunlight and water.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea explores how length affects the weight a bridge can hold.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.