Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project idea produces varying pitches of sound.

Introduce your kid to cooking basics as you make shepherd's pie: a traditional Irish dish thanks to the trusty potato!

Help your child construct and author a "sempuyo," a traditional Japanese book with accordion-style pages; she will develop her writing and fine motor skills.

Learn with makes water molecules work with this fun and easy science activity!

Here are three activities you can do at home and around town to bring algebra into your daily lives.

Turn an empty cereal box into a teacher appreciation card in this eco-friendly craft project! 

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

By using your child's own activity schedule, you can strengthen his understanding of elapsed time, and get him organized along the way!

Introduce your budding chef to a traditional Irish dish this St. Patrick's Day by making Irish lamb stew, a fantastic one-pot meal the whole family can enjoy.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Here's a fun arts and crafts activity that has you and your child creating a book with a secret hollow!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This project explores ways to prevent static electrical shocks.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

If your fifth grader has a voracious appetite for reading, she'll be surprised to see many books she has devoured. Show her how to make a "100 Books" chart!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!