Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

Explore the wattage of microwaves in relevance to cooking time.

Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

This science fair project idea discovers the effect of (high) heat on animal cells.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This hands-on activity that involves arranging pieces of yarn will teach your pre-K child the concept of ordering items by length in an interesting way.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

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!

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

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.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Counting with one-to-one correspondence is an important kindergarten math skill. This simple activity turns it into a play-anywhere game.

Do this fun activity that uses stickers to help your kindergartener with counting, basic addition, and one-to-one correspondence.

One way to "trick" your child into getting extra practice with one-step equations is to play a variation of the classic game, tic tac toe.

In kindergarten, your child spent lots of time counting things one by one. But in first grade, he'll need to be able to count in groups, especially by fives.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Put together a pine forest to help you count down the days until Christmas with your little one.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

In this activity your little one will throw a beanbag at a numbered target to help improve their number recognition skills.

In this activity, your child will learn to name the numbers from 1 through 5 and they'll practice their counting skills.

Got a shoelace? Got a kindergartener? Help your child learn to use the number line by creating one out of a lace.

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

Get your preschooler ready for kindergarten by helping them learn numbers 1-10 with homemade snowflake counting cards in this arts and crafts activity.

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

This Hanukkah countdown craft will help your little one count the eight nights of Hanukkah. Make a Hanukkah countdown calendar with your child.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!