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

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this project, waves of vibrations are experimented with using water in glasses.

Cleaning can be a chore, but not with this sudsy experiment!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Construct and experiment with a periscope using reflected light rays to gather an image.

Examine the effect of pressure on carbonation in soda.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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.

Discover whether a metal will expand under hot water.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The goal of this project is to create an exciting topographical map out of dough.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.