The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

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

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

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

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.