In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

Here's a pressed leaf card project that puts science and writing together for your second grader.

This project compares the strength of one, two, and three-ply toilet paper.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea provides evidence that air is everywhere and takes up space.

Help your child learn about animal classification with this fun and delicious activity.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

This easy at-home experiment is a great way to "see" science.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project allows students to study the psychology of happiness.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.