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A measuring tool is anything used to take a count of quantitative data, such as weight, length, time or temperature. Rulers and scales are two common types of measuring tools. Measuring tools can be very precise, but low... More »

www.reference.com Science Measurements

Some tools used to measure angles include protractors, transit levels, speed squares and bevel protractors. Protractors have a straight edge with ruler markings and a semicircular top that students use to measure angles ... More »

www.reference.com Science Measurements

A protractor, a transit level, an adjustable triangle and a speed square are all tools for measuring angles. Some tools are specific to certain professions. More »

www.reference.com Home & Garden Home Maintenance Tools
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The newest standard weight chart in use was constructed by analyzing studies and new standards based on data collected by the World Health Organization for infants from birth up to the age of 2 and the Centers for Diseas... More »

www.reference.com Science Measurements

Velocity is a vector quantity measured in units of length per time. Using the United States customary unit of measurement, velocity is typically given in miles per hour, commonly abbreviated to "mph." More »

www.reference.com Science Measurements

The length of time that a helium balloon will float depends on many factors that include inflation level, temperature, size and material of the balloon and if it is sealed with a product like Hi-Float. For example, a lat... More »

www.reference.com Science Chemistry

Tampons can expire, but the length of time before a tampon expires depends on a number of factors, such as moisture, contamination and temperature. Perfumed tampons expire more quickly than nonperfumed tampons. More »

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