A. Balance B. Scale C. Graduated cylinder D. Test tube 相关知识点: 试题来源: 解析 A。解析:Balance 天平用于测量化学物质的质量。Scale 一般指秤,在实验室较少用;Graduated cylinder 是测量液体体积的;Test tube 试管是反应容器等。反馈 收藏
(1).What is the water clock used to measure in ancient times? BA.Length.B.Time.C.Weight.D.Mass(质量).(2).What might the water clock probably look like in ancient times? B(3).What does the clay and the ruler use for in the introduction? CA.Measuring.B.Filling the cups.C....
Mass is a measure of the amount of matter in an object. What is the SI unit of mass? A. gram B. kilogram C. pound D. ounce 相关知识点: 试题来源: 解析 B。A 选项 gram 克,不是国际单位制中的基本单位;C 选项 pound 磅和 D 选项 ounce 盎司都是英制单位;B 选项 kilogram 千克是国际...
When we need to measure the mass of a chemical substance, what instrument do we use? A. balance B. scale C. measuring cup D. graduated cylinder 相关知识点: 试题来源: 解析 A。balance 是天平,用来测量化学物质的质量。B 选项 scale 通常指秤,但在化学实验中一般用天平测量质量更准确;C 选项 ...
In an experiment, we need to measure the mass of an object. What tool do we use? A. ruler B. thermometer C. balance D. stopwatch 相关知识点: 试题来源: 解析 C。测量物体质量使用天平(balance)。选项 A“ruler”是尺子;选项 B“thermometer”是温度计;选项 D“stopwatch”是秒表。
What is used to measure the energy content of food? a. Temperature b. Gram c. Calorie d. Mass Diet A diet is an important portion of daily life. A diet is not necessarily a fad diet, a diet can just monitor and manage daily food intake. A healthy diet is i...
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What is used to measure wind speed? Weather Instruments Meteorologists, who are scientists that focus on analyzing and predicting the weather, use many different instruments to help them in their work. For example, they use thermometers to measure temperature. ...
The mass unit of measure is the kilograms and multiples or fractions of the kilogram. The chart of mass units below demonstrates the most common units used to measure mass. Mass vs Weight Mass and weight often get confused because in many cases, they both deal with the concept of heaviness...
Mass and volume are two units used to measure objects.Massis the amount of matter an object contains, whilevolumeis how much space it takes up. Example: A bowling ball and a basketball are about the same volume as each other, but the bowling ball has much more mass. ...