6 Questions
What is the definition of temperature, and what is the unit of measurement in the Celsius scale?
Temperature is a measure of the average kinetic energy of particles in a substance. The unit of measurement in the Celsius scale is degree Celsius (°C).
What is the conversion of 1 hour into seconds?
1 hour = 3600 seconds
What is the conversion of 1 ton into kilograms?
1 ton = 1000 kilograms
What is the definition of length, and what is the unit of measurement in the meter system?
Length is a measure of the distance between two points. The unit of measurement in the meter system is meter (m).
What is the conversion of 1 gram per cubic centimeter (g/cm³) into kilograms per cubic meter (kg/m³)?
1 gram per cubic centimeter (g/cm³) = 1000 kilograms per cubic meter (kg/m³)
What is the formula to calculate the density of a substance, and what is the unit of measurement?
The formula to calculate the density of a substance is Density = Mass / Volume. The unit of measurement is kilogram per cubic meter (kg/m³).
Study Notes
Physical Quantities and Measurement
Temperature
- Definition: A measure of the average kinetic energy of particles in a substance
- Unit: Celsius (°C), Kelvin (K), Fahrenheit (°F)
- Scales:
- Celsius: 0°C (ice point), 100°C (water boiling point)
- Kelvin: 0 K (absolute zero), 273 K (water freezing point)
- Fahrenheit: 32°F (ice point), 212°F (water boiling point)
- Measurement instruments: Thermometer (digital, analog, infrared)
Time
- Definition: A measure of the duration between events
- Unit: Second (s)
- Measurement instruments: Clocks (analog, digital), Stopwatches, Timers
- Conversion:
- 1 minute = 60 seconds
- 1 hour = 3600 seconds
- 1 day = 86400 seconds
Length
- Definition: A measure of the distance between two points
- Unit: Meter (m)
- Measurement instruments: Rulers, Tape measures, Calipers
- Conversion:
- 1 kilometer = 1000 meters
- 1 centimeter = 0.01 meters
- 1 millimeter = 0.001 meters
Mass
- Definition: A measure of the amount of matter in an object
- Unit: Kilogram (kg)
- Measurement instruments: Balances, Scales
- Conversion:
- 1 gram = 0.001 kilograms
- 1 milligram = 0.000001 kilograms
- 1 ton = 1000 kilograms
Density
- Definition: A measure of the mass per unit volume of a substance
- Unit: Kilogram per cubic meter (kg/m³)
- Formula: Density = Mass / Volume
- Measurement instruments: Densitometers, Hydrometers
- Conversion:
- 1 gram per cubic centimeter (g/cm³) = 1000 kg/m³
Test your understanding of fundamental physical quantities such as temperature, time, length, mass, and density. Learn about their definitions, units, measurement instruments, and conversion formulas. This quiz covers the basics of physical measurement and is suitable for students of physics and science.
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