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The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Do a little kitchen chemistry as you make your own bubble solution and bubble-wand shapes!

Introduce your child to science with something they see everyday--their shadow!

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!

Put your kid in charge of her own survey! She'll poll her relatives and friends, collect information, and then create a colorful chart to display her findings.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Got a fussy eater on your hands? Here's a great way to make fruit appear more appealing, and make eating it a lot more fun, too!

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

Play with shapes, like triangles and circles, to help your child review the different kinds and create a new picture!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

Make subtraction practice more fun with this outdoor review game that's great for beginning math learners and more advanced!

Increase your child's confidence in interpreting bar graphs and throw a little candy into the mix to sweeten the learning process.

Help your child build ice cream cones as she practices her counting skills

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

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

Does the idea of taking your child to an art museum sound daunting? Create your own museum and give your child some practice with shapes!

Your preschooler will not realize she's practicing her counting skills while playing with this interactive cereal abacus!

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Teach your preschooler color recognition using this handy egg carton sorter. She will group objects by color and learn to recognize their names with this tool.