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

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

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun 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!

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

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.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

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!

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

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.

Help your preschooler or preschooler with shape recognition, math, and matching by creating your own personal shapes cards, good for home or car.

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.

Put your junk mail to good use! Armed with a stack ads and a few simple art supplies, your preschooler can make a cool poster for his room.

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 science fair project idea measures physical dexterity as a function of temperature.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

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!

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.