Chapter 1: Problem 11
State the name of the unit and the type of measurement indicated for each of the following quantities: a. \(4.8 \mathrm{~m}\) b. \(325 \mathrm{~g}\) c. \(1.5 \mathrm{~mL}\) d. \(480 \mathrm{~s}\) e. \(28^{\circ} \mathrm{C}\)
Short Answer
Expert verified
a. length in meters, b. mass in grams, c. volume in milliliters, d. time in seconds, e. temperature in degrees Celsius
Step by step solution
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
units of measurement
Units of measurement are vital in science as they let us quantify and compare different quantities. They offer a standardized method to express physical quantities. The International System of Units (SI) is the most widely used system. It includes fundamental units like meters for length, grams for mass, and seconds for time. Using these standardized units, science can communicate findings clearly and consistently across the globe.
Understanding units of measurement helps you accurately describe and interpret scientific data. Each unit corresponds with a dimension of measurement, such as length, mass, volume, time, and temperature. It’s essential to know and use the correct unit for each type of measurement.
Understanding units of measurement helps you accurately describe and interpret scientific data. Each unit corresponds with a dimension of measurement, such as length, mass, volume, time, and temperature. It’s essential to know and use the correct unit for each type of measurement.
length measurement
Length measurement refers to determining the distance between two points. The standard unit in the SI system is the meter (m).
Common Length Units Include:
These units allow us to measure objects ranging from very small, like the thickness of paper (millimeters), to very large, like the distance between cities (kilometers). In the context of the exercise, the quantity '4.8 m' pertains to length measurement.
Common Length Units Include:
- Millimeters (mm)
- Centimeters (cm)
- Meters (m)
- Kilometers (km)
These units allow us to measure objects ranging from very small, like the thickness of paper (millimeters), to very large, like the distance between cities (kilometers). In the context of the exercise, the quantity '4.8 m' pertains to length measurement.
mass measurement
Mass measurement assesses the amount of matter in an object. The standard SI unit for mass is the gram (g).
Common Mass Units Include:
Knowing the correct unit helps clarify whether you're measuring something light, like a paperclip (grams or milligrams), or heavy, like a car (kilograms or tonnes). In the provided exercise, '325 g' signifies mass measurement.
Common Mass Units Include:
- Milligrams (mg)
- Grams (g)
- Kilograms (kg)
- Tonnes (t)
Knowing the correct unit helps clarify whether you're measuring something light, like a paperclip (grams or milligrams), or heavy, like a car (kilograms or tonnes). In the provided exercise, '325 g' signifies mass measurement.
volume measurement
Volume measurement determines the space an object or substance occupies. The SI unit for volume is the liter (L), but milliliters (mL) are often used for smaller quantities.
Common Volume Units Include:
These units let us measure everything from a small vial of liquid (milliliters) to the volume of a swimming pool (cubic meters). In the exercise, '1.5 mL' refers to a volume measurement.
Common Volume Units Include:
- Milliliters (mL)
- Liters (L)
- Cubic Centimeters (cm³ or cc)
- Cubic Meters (m³)
These units let us measure everything from a small vial of liquid (milliliters) to the volume of a swimming pool (cubic meters). In the exercise, '1.5 mL' refers to a volume measurement.
time measurement
Time measurement is crucial in both daily life and scientific experiments. The basic SI unit for time is the second (s).
Common Time Units Include:
Accurate timekeeping allows for precise tracking of events, durations, and intervals. For example, the exercise states '480 s,' which stands for the measurement of time.
Common Time Units Include:
- Seconds (s)
- Minutes (min)
- Hours (h)
- Days
- Years
Accurate timekeeping allows for precise tracking of events, durations, and intervals. For example, the exercise states '480 s,' which stands for the measurement of time.
temperature measurement
Temperature measurement reflects how hot or cold an object is. The standard unit in the SI system is degrees Celsius (°C), but in some regions, Fahrenheit (°F) and Kelvin (K) are also used.
Common Temperature Units Include:
Temperature impacts various aspects of life and scientific experiments, from weather forecasts to chemical reactions. The exercise specifies '28°C,' showing us an example of temperature measurement.
Common Temperature Units Include:
- Degrees Celsius (°C)
- Degrees Fahrenheit (°F)
- Kelvin (K)
Temperature impacts various aspects of life and scientific experiments, from weather forecasts to chemical reactions. The exercise specifies '28°C,' showing us an example of temperature measurement.
