3rd - 8th Grade Science Activities : Page 11

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

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

Examine the effect of pressure on carbonation in soda.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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