The Physical World 3: Measurement Of Matter: Unit Analysis

Front 1

The human heart beats once every 800 milliseconds. How many seconds is that?

Back 1

0.8 s

Front 2

A large blue whale can have a mass of 660,000 kilograms. What is the mass of the blue whale in grams?

Back 2

660,000,000 g

Front 3

An aspirin tablet has a mass of 250 milligrams. What is the mass of the tablet in grams?

Back 3

0.250 g

Front 4

A toaster draws 1.3 kilowatts of energy. Convert this into watts.

Back 4

1300 W

Front 5

The highest pitch the average human ear can hear is 20,000 hertz. What is the frequency expressed in kilohertz?

Back 5

20 kHz

Front 6

Convert 35 cL to mL.

Back 6

350 mL

Front 7

Convert 25 km to mm.

Back 7

25,000,000 mm

(25 km = 25,000 m [25 x 1000]; 25,000 m = 25,000,000 mm [25,000 x 1000])

Front 8

Mt. Waialeale in Hawaii receives an average of 1,168 centimeters of rain every year. What is this amount expressed in meters?

Back 8

11.68 m

Front 9

A marathon race covers a distance of 42 kilometers. How many meters is this?

Back 9

42,000 m

Front 10

The owner's manual of a car says that the engine crankcase can hold 3.8 L of oil. How many mL is this?

Back 10

3800 mL

Front 11

How many centimeters wide is 35 mm camera film?

Back 11

3.5 cm

Front 12

The average person has 5 L of blood in his body. What is the volume of blood expressed in milliliters?

Back 12

5000 mL