2nd - 7th Grade Science Activities : Page 13

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This science fair project idea investigates how the shape of an object affects drag.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Do different types of oil mix or stack? Find out in this science fair project idea!

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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Make a backbone model to explore human anatomy and life science.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.