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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

Help your preschooler create ice cube bead necklaces to cool off while practicing gross motor skills and sequencing, and discussing states of matter.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Determine whether the application of Febreeze will lower the bacterial count.

Science fair project that compares tap water and bottled water for the presence of common impurities.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

This science fair project determines which type of physical activity most improves memory.

Help your kids map the "global footprint" of your family's grocery cart by investigating how far your food travels before landing on your dinner table.

Help your child learn her numbers and how to count with this fun number game!

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Can cells be frozen? This science fair project provides information to answer this question.

Gather the neighborhood children together and practice graphing with this backyard tournament!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

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.

Make practicing addition facts more fun and teach your child some helpful strategies with this spin off of the traditional "Go Fish" game.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

This science fair project idea determines if females or males tend to do better on optical illusion tests and whether certain age groups also do better.

This science fair project idea discovers the average number on the Scoville scale that humans can endure in hot peppers before physical signs kick in.

Let your child add her creative touch to Cinco de Mayo celebrations by showing her how to make chili pepper napkin rings.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

In this science fair project, students make their own rain gauge to measure rainfall.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.