Metric Prefixes and Ohms Law Quiz

What does the prefix 'kilo' mean, and how many meters are in one kilometer?

• Ten

• One hundred

• One thousand

• Ten thousand

Answer explanation

The prefix 'kilo' means one thousand. Therefore, one kilometer is equal to one thousand meters, making 'one thousand' the correct answer.

Tags

CCSS.3.OA.D.9

To convert from the base unit to a unit with the 'milli' prefix, by what number do you multiply? For example, 2 grams is equal to how many milligrams?

• 10

• 100

• 1,000

• 10,000

Answer explanation

To convert from grams to milligrams, you multiply by 1,000 because 'milli' means one-thousandth. Therefore, 2 grams equals 2,000 milligrams.

Tags

CCSS.6.RP.A.3D

Which prefix represents one million (1,000,000), and which prefix represents one-millionth (0.000001)?

• Mega and milli

• Mega and micro

• Kilo and milli

• Kilo and micro

Answer explanation

The prefix 'Mega' represents one million (1,000,000), while 'micro' denotes one-millionth (0.000001). Therefore, the correct answer is 'Mega and micro'.

Tags

CCSS.8.EE.A.4

A computer file is 3.5 Megabytes (MB). One Megabyte is (a)   times larger than one kilobyte (KB).

• 10 times
• 100 times
• 1,000 times
• 10,000 times

Answer explanation

One Megabyte (MB) is equivalent to 1,000 Kilobytes (KB). Therefore, a file of 3.5 MB is 3.5 x 1,000 KB, which confirms that 1 MB is 1,000 times larger than 1 KB. Thus, the correct answer is 1,000 times.

Tags

CCSS.6.RP.A.3D

A measurement of 5,200 micrometers (µm) is equal to how many millimeters (mm), and how many meters (m)?

• 5.2 mm and 0.0052 m

• 520 mm and 0.52 m

• 0.52 mm and 0.00052 m

• 52 mm and 0.052 m

Answer explanation

To convert micrometers to millimeters, divide by 1,000: 5,200 µm = 5.2 mm. To convert to meters, divide by 1,000,000: 5,200 µm = 0.0052 m. Thus, the correct answer is 5.2 mm and 0.0052 m.

Tags

CCSS.5.MD.A.1

Which prefix is the largest?

• milli

• micro

• Kilo

• Mega

Answer explanation

The prefix 'Mega' represents 10^6, which is larger than 'Kilo' (10^3), 'milli' (10^-3), and 'micro' (10^-6). Therefore, 'Mega' is the largest prefix among the options provided.

Tags

CCSS.8.EE.A.4

How many milliliters are in 1 liter?

• 100

• 1,000

• 10,000

• 100,000

Answer explanation

1 liter is equal to 1,000 milliliters. This is a standard conversion in the metric system, where 1 liter is defined as 1,000 milliliters.

Tags

CCSS.4.MD.A.1

A scientist measures a particle to be 0.0000075 meters long. How would this be expressed in micrometers (µm)?

• 0.75 µm

• 7.5 µm

• 75 µm

• 750 µm

Answer explanation

To convert meters to micrometers, multiply by 1,000,000. Thus, 0.0000075 m = 0.0000075 x 1,000,000 = 7.5 µm. Therefore, the correct answer is 7.5 µm.

Tags

CCSS.8.EE.A.3

A power plant generates 500 Megawatts (MW) of power. How many kilowatts (kW) is this?

• 5,000 kW

• 50,000 kW

• 500,000 kW

• 5,000,000 kW

Answer explanation

To convert megawatts to kilowatts, multiply by 1,000. Therefore, 500 MW x 1,000 = 500,000 kW. The correct answer is 500,000 kW.

Tags

CCSS.6.RP.A.3D

To convert from kilograms to milligrams, what operation do you perform?

• Divide by 1,000,000

• Multiply by 1,000,000

• Add 1,000,000

• Subtract 1,000,000

Answer explanation

To convert kilograms to milligrams, you multiply by 1,000,000 because there are 1,000,000 milligrams in a kilogram. Thus, the correct operation is to multiply by 1,000,000.

Tags

CCSS.5.MD.A.1