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Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

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!

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

Your child will need to combine his sporty hand-eye coordination skills with his math skills to become the bullseye king.

Here's Twist 'N Turn: let your preschooler or pre-kindergartener be outside and active while learning about shapes, colors, directions, and word recognition.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Does your child need counting help? Here's a simple game that kids can do at home to help them practice counting to two-digit numbers.

If your preschooler needs counting practice, try this pared-down game. Kids count clips in each cup and find the playing card to match.

Simple and straightforward, this money math game helps kids practice counting, adding change, and working with decimals.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Want to turn snack time into fun-time? Help him turn ordinary rice cakes into creatures that are silly, creepy, or just plain cute!

Play a game of "restaurant" to reinforce real-world applications of counting and using money.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Help your child "step up" to second grade math fact challenges with a fun addition and subtraction game in your very own kitchen.

This fun game helps children learn to estimate the most basic unit of time--a minute--without a clock.

In this activity, your child will learn to name the numbers from 1 through 5 and she'll practice her grouping skills.