Podcast
Questions and Answers
A student measures the length of a table and records it as 2.5 meters. If they need to report this measurement in centimeters, which conversion factor should they use?
A student measures the length of a table and records it as 2.5 meters. If they need to report this measurement in centimeters, which conversion factor should they use?
- $\frac{1 \text{ meter}}{100 \text{ centimeters}}$
- $\frac{1000 \text{ meters}}{1 \text{ kilometer}}$
- $\frac{1 \text{ kilometer}}{1000 \text{ meters}}$
- $\frac{100 \text{ centimeters}}{1 \text{ meter}}$ (correct)
A container has a volume of 5 liters. Knowing that 1 liter is approximately equal to 0.001 cubic meters, what is the volume of the container in cubic meters?
A container has a volume of 5 liters. Knowing that 1 liter is approximately equal to 0.001 cubic meters, what is the volume of the container in cubic meters?
- 0.5 $m^3$
- 0.05 $m^3$
- 5000 $m^3$
- 0.005 $m^3$ (correct)
A recipe calls for 500 grams of flour. If you only have a scale that measures in kilograms, what mass should you measure out?
A recipe calls for 500 grams of flour. If you only have a scale that measures in kilograms, what mass should you measure out?
- 50 kg
- 5 kg
- 0.05 kg
- 0.5 kg (correct)
Which of the following correctly lists the base SI units for length, mass, and time, respectively?
Which of the following correctly lists the base SI units for length, mass, and time, respectively?
A scientist records a temperature increase of 25 degrees Celsius in an experiment. What is the equivalent temperature increase in Kelvin?
A scientist records a temperature increase of 25 degrees Celsius in an experiment. What is the equivalent temperature increase in Kelvin?
Flashcards
What is the SI system?
What is the SI system?
The standard system of measurement based on a decimal system.
What is the base of the metric system?
What is the base of the metric system?
A factor of ten.
What are prefixes in the SI system?
What are prefixes in the SI system?
Used to represent large or small numbers relative to the base unit.
SI unit of length?
SI unit of length?
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SI unit of mass?
SI unit of mass?
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Study Notes
- The International System of Units (SI), also known as the metric system, serves as the standard system of measurement, based on a decimalized system.
- Prefixes are used in the metric system to distinguish between large and small numbers.
- Length is measured in meters (m) in the metric system.
- Mass is measured in kilograms (kg) in the metric system.
- Volume is measured in cubic meters (m3) in the metric system.
- Density is measured in kilograms per cubic meter (kg/m3) in the metric system.
- Temperature is measured in Kelvin (K) in the metric system.
- Some English system units are defined in terms of the metric system.
- A conversion factor is required to convert one unit to another.
- To use a conversion factor, the unit to be removed should be placed in the denominator, and the desired unit should be in the numerator.
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Description
An overview of the metric system, including base units for length, mass, volume, and temperature. Covers the usage of prefixes and conversion factors for unit manipulation. Methods for converting between different units of measure are discussed.
