Base Units
The base unit for length
What is meters?
One hundredth of base unit
What is centi?
SI units you would use to measure the mass of an elephant
What is kilograms?
4 meters converted to centimeters
What is 400cm?
A student says velocity is an SI base quantity because its unit contains meters. Explain the mistake.
Velocity is derived because m/sm/s combines the base units meter and second
The base unit for mass?
What is gram?
One thousandth of base unit
What is milli?
SI unit you would use to measure the distance from your house to school
What is kilometers?
45 kilograms converted to grams
What is 45,000g?
Which is larger: 4.2 × 105 μm or 3.8×10-1 m?
4.2×105 μm =0.42m, so 0.42 m is larger.
The base unit for temperature?
What is Kelvin?
One tenth of base unit
What is deci?
SI Unit you would use to measure the amount of soda that you drank
What is liters?
4.7 Liters converted to milliliters
What is 4700mL?
A quantity has the unit kg ⋅ m/s2. Is the unit base or derived? Justify
Derived, because it combines kg, m and s.
The base unit for time
One thousand of base unit
What is kilo?
SI unit you would look at to determine what type of clothing you needed to wear
What is Kelvin?
.002 centimeters converted to millimeters
What is .02mm?
Convert 3.60 cm2 to m2.
3.60 × 10-4 m2
The base unit for amount of substance
What is mole?
One billion of base unit
What is giga?
SI Unit you would use to measure the amount of fluid in your stomach
What is liters?
35 decimeters converted to hectometers
A student converts 54 km/h by multiplying by 1000m/1km and 1h/60s. Diagnose the error and give the correct speed.
The second factor should be 1h/3600s. Correct answer: 15 m/s.