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Build this game, and give your kid some hands-on practice ordering numbers. Soon your first grade kid will be Master of the number line!

Combine fun sensory play with early number awareness in a squishy sun catcher project. It's a fun way for your kid to learn about numbers.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Try this fun math card game and practice place value with your second grader! Decide which number is bigger in order to earn points!

This science fair project idea investigates food preference of birds.

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

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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

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

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Nothing chases the blues away like a trip to the boardwalk. Bring the fun home with this do-it-yourself version that sneaks in some math practice.

When your child is itching for a game, consider ditching Hide and Seek in favor of Shape and Seek. Here's how it works:

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

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

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

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