Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

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 activity, your child will create a red envelope that can be filled with money to spread good will and ward off evil spirits in the New Year.

This activity will put those Halloween treats to good use by using candy corn to help your child with her subtraction skills.

Help your child stay physically and mentally active with this group aerobic fitness game that's good for the heart and mind alike.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Help your preschooler chart her good eating habits with this arts and crafts activity that has her making a healthy fruits and vegetables rainbow and graph!

Practice measurement using centimeters in this fun math race designed for your second grade student!

Get your child excited about measuring with this fun and easy household measurements activity.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Use familiar household items and decorations to turn estimation into a fun game!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

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!

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.

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

Use this great no-bake recipe to save energy and keep cool.

Analyze this simple betting game with your fourth grade student in order to discuss probability.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!