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Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this activity, your child will be challenged to make a tower using paper cups.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun 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.

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

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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