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What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Your child will practice her counting and number recognition as she matches printed numbers to the same number of repetitions of a simple design.

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

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Determine which metal has the highest rate of conductivity.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Practice conversions within the metric system in this fun math card game for third graders.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

This science fair project idea determines which flower lasts the longest.

This simple experiment serves as an introduction to the greenhouse effect.

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

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.

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

Shake those dice and try to roll big numbers in this first grade math game. Practice addition in a new, fun way!

Challenge your 1st grader to skip count with this sequence game. Help him find missing numbers by figuring out the pattern and building on math skills!

Instead of drilling facts, grab sidewalk chalk and head outside for a rousing game of this Math Run game. Play the Math Run game with your child.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Make the abstract nature of time and money easier for your kid to understand with some fun ideas that focus on these concepts.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Create clear sound shakers so your preschooler can observe and compare the different sounds that objects make!

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.