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Understanding Metric Prefixes Worksheet

Total questions: 17

Worksheet time: 11mins

Name
Class
Date
1.

The prefix _______________ represents 1,000 times the base unit.

a)

kilo

b)

centi

c)

milli

d)

deci

2.

A _______________ is one-millionth of a meter.

a)

micrometer

b)

millimeter

c)

nanometer

d)

centimeter

3.

When we say "5K" in a race, we're referring to a _______________-meter race.

a)

5,000

b)

500

c)

50

d)

15,000

4.

One _______________ equals one million hertz.

a)

megahertz

b)

kilohertz

c)

gigahertz

d)

millihertz

5.

A _______________ is one -thousandth of a liter.

a)

milliliter

b)

centiliter

c)

deciliter

d)

liter

6.

To convert to milliampers ____________

a)

Divide the amound of ampers by 1000

b)

Multiply the amound of ampers by 1000

c)

Divide the amound of ampers by 100

d)

Divide the amound of ampers by 100

7.

The prefix _______________ represents one billion.

a)

giga

b)

mega

c)

kilo

d)

nano

8.

One _______________ represents one thousandth of an ampere

a)

milliampere

b)

kilovolt

c)

microsecond

d)

megabyte

9.

Which prefix represents one thousand?

a)

Micro

b)

Milli

c)

Kilo

d)

Mega

10.

What does the prefix "milli" mean?

a)

One thousand

b)

One million

c)

One-tenth

d)

One-thousandth

11.

If a radio station broadcasts at 100 megahertz, how many hertz is that?

a)

100,000

b)

1,000,000

c)

10,000,000

d)

100,000,000

12.

What is the metric prefix for one-millionth?

a)

Kilo

b)

Milli

c)

Mega

d)

Micro

13.

Calculate the voltage if the current is 2.5 Amps and the resistance is 40 Ohms:

a)

8 Volts

b)

80 Volts

c)

10 Volts

d)

100 Volts

14.

The importance of using metric prefixes is to:

a)

Easily express and understand extremely large or small values.

b)

Make all numbers look the same size.

c)

Avoid using any units in measurements.

d)

Confuse people with complicated terms.

15.

Select the correct formula to calculate resistance using Ohm’s Law.

a)

R = V / I

b)

R = I / V

c)

R = V × I

d)

R = I × V

16.

Order the following prefixes from less to greatest

a)

micro

b)

milli

c)

kilo

d)

mega

e)

giga

1)
2)
3)
4)
5)
17.

Match the prefix with its size

a)

micro

1.

11,000,000\frac{1}{1,000,000}

b)

milli

2.

11,000\frac{1}{1,000}

c)

kilo

3.

1,000

d)

mega

4.

1,000,000

e)

giga

5.

1,000,000,000