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

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

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

This project examines which style of central-air system filter traps the most particles from the air.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Help your child learn the language of mathematics through cupcakes with this fun counting activity.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

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

Make your own Matryoshka out of simple craft materials in this easy how-to!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This prime number game is the perfect way to get to know prime numbers. Deal the cards and flip them over. When players a prime number they call out, "Prime!"

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Reflect on how fast your child has grown this past year with this ruler frame craft, perfect for gift-giving!

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.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Get your child thinking about time with this art project, where you'll create a fun book on his daily routine.

This project is about after-images and what possibly affects them.

Here's a fun activity that will have your child teaching you for once, while you find out exactly what she is learning in school.

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.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Here's a science activity to help your child investigate how seeds are designed to travel.