Chemical Change A change that produces one or more new substances and may release energy. Chemical Property A second set of properties in all kinds of matter. Circuit A path that is made from an electrical current. Claws A sharp, usually slender, and curved nail on the toe of an animal.
Answer Wiki. There is really only one measure of time, and that is hours/minutes/seconds/days/weeks/months/years. Then you have derivations of these including Lunar years, light years, periods between full moons, days (between sun rises), but they all come back to the traditional time of hours/minutes/seconds. Views.
MEASURING ENERGY. Energy exists in many forms, so there are many ways to quantify it. Two of the most widely used for general purposes are the British Thermal Unit (BTU), which is a measure of energy content, and the watt, which is a measure of power, or how fast energy is used.