Wondering how to help your child get a handle on prime numbers? Turn her into a prime number hunter with this hundreds chart activity.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science fair project investigates why the number of visible stars changes from place to place.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

Test your kid's knowledge of presidents one through forty-four with this fun and educational matching game!

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Challenge your kid to use his knowledge about percentages in this fun game. Just roll the dice and race to calculate the percentage.

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

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

For some good "green" fun, pull out your blender. A spinach smoothie?! You better believe it! And kids will not only slurp it up, they"ll beg for seconds.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Work on finding means and medians in this fifth grade math card game.

Teach your fifth grader an important math concept with this quick and simple activity that shows them how to divide whole numbers by fractions.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

In this science fair project, students create their own miniature salt flats at home.

Exponents can be tricky to learn. Fortunately this game provides plenty of multiplication practice for your math student!

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.