This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

What's my number? Go ahead and guess! This logic game focuses on number sense that suits all ability levels, as players' questions can be simple or complex.

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

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science project idea determines whether cold water boils faster than warm water.

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Grab some dice and play this take on tic-tac-toe. Itâs easy to set up and your child will have a blast.

Learn about coins and their value by making an animal piggy bank. Here's how to make a lion, pig, or sheep bank!

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

This project examines how temperature affects the volume of gas in balloons.

This science fair project idea deals with the qualities of shade on a sunny day.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

Determine which metal has the highest rate of conductivity.

This game provides your child with the opportunity to create, write, and read numbers.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Here's a hands-on way to help your child understand how common fractions can be equivalent.

Get a leg up on counting concepts with this project where art and math collide.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

Here's a super fun game to get in some place value practice with your child!