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How to Make a Number Line for the Classroom
science.howstuffworks.com/math-concepts/number-line.htm
A number line is a pictorial representation of real numbers. It is most commonly used in elementary math classes to help students compare numbers and perform arithmetic operations like addition, subtraction, division and multiplication.
Dos and Don'ts of Running
health.howstuffworks.com/wellness/diet-fitness/information/dos-and-donts-of-running.htm
The dos and don'ts of running will keep you injury-free as you get in shape. Learn about the dos and don'ts of running at Discovery Health.
Car Maintenance: How Much Do You Really Know?
play.howstuffworks.com/quiz/car-maintenance-how-much-do-you-really-know
Have you been rotating your tires on time or changing your oil enough? Roll up your sleeves and get ready to wrench your way through this fun car maintenance quiz and find how much of a shade tree mechanic you are! Who knows, you might adopt a new car care regimen when you find out!
How does my device's accelerometer know how far I ran on the treadmill?
electronics.howstuffworks.com/gadgets/fitness/accelerometer-know-how-far-ran-on-treadmill.htm
An accelerometer on your gadget can tell you how far you've run on a treadmill. Want to know how? Find out how accelerometers know how far you've ran.
How VO2 Max Works
health.howstuffworks.com/wellness/diet-fitness/exercise/vo2-max.htm
VO2 max is something that every triathlete should know. Visit HowStuffWorks to learn all about VO2 max.
12 Sports and Recreational Activities and the Calories They Burn
Some activities burn more calories than others. Read our list to learn which sports and activities burn the most calories.
How long do timing belts last?
auto.howstuffworks.com/under-the-hood/car-part-longevity/timing-belt-last.htm
How long does a timing belt last? Visit HowStuffWorks to learn how long a timing belt lasts.
Time Is Up for the Leap Second
science.howstuffworks.com/environmental/earth/geophysics/leap-second.htm
The decision made at the 27th General Conference on Weights and Measures will scrap leap seconds for good by 2035.
5 Engine Oil Myths
auto.howstuffworks.com/5-engine-oil-myths.htm
There are some engine oil myths that it's helpful to be aware of. Check out 5 engine oil myths at HowStuffWorks.
What's the difference between quartz and liquid crystal?
You may have heard about quartz and liquid crystal in reference to watches, but do you know what the difference is between quartz and liquid crystal?