Unit Conversions

Test yourself on units and unit conversions.

Being able to interpret and convert between units is a useful skill in both science and everyday life. How well do you know your unit conversions?

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* 1. True or false: metric units are always smaller than imperial units.

True

False

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* 2. What does the prefix kilo in front of the units mean?

The unit is bigger

The unit is smaller

The units will be in meters

The units will be in grams

The units will be in liters

It is 1,000 times smaller than the prefix milli

It is 1,000 times smaller than the prefix centi

It is 1,000 times smaller than the prefix nano

It is 1,000 times smaller than the prefix gigi

It is 1,000 times smaller than the base unit

It is 1,000 times greater than the prefix milli

It is 1,000 times greater than the prefix centi

It is 1,000 times greater than the prefix nano

It is 1,000 times greater than the prefix gigi

It is 1,000 times greater than the base unit

None of the above.

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* 3. How many kg is 11.02311311 lbs?

1 kg

1.37 kg

2.2 kg

0.45 kg

5.5 kg

7.9 kg

5 kg

10 kg

50 kg

100 kg

1000 kg

None of the above.

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* 4. If you travel at 60 km/h for 30 minutes, how far will you have gone?

30 m

120 m

60 m

45 m

20 km

600 km

300 km

900 km

7.5 km

30 km

60 km

120 km

45 km

None of the above.

Not enough information.

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* 5. If you have 5 kg of a substance with a density of 2.3 g/cm³, what is the density of 10 kg of the same substance?

11.5 g/cm³

2.17 g/cm³

10 g/cm³

5 g/cm³

7.3 g/cm³

523 g/cm³

235 g/cm³

2.3 g/cm³

4.6 g/cm³

11,500 g/cm³

2,170 g/cm³

23 g/cm³

0.0115 g/cm³

0.023 g/cm³

None of the above.

Not enough information.

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* 6. You have 12 kg of a substance with a density of 1.5 g/cm³. How many liters (L) of the substance do you have?

12 L

12,000 L

1.5 L

1,500 L

18 L

18,000 L

24 L

24,000 L

8 L

8,000 L

0.125 L

125 L

0.000125 L

0.00125 L

None of the above.

Not enough information.

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* 7. A spaceship travels 1,296 km at 600 m/s. For how many minutes did the spaceship travel?

777,600 minutes

3,600 minutes

1,296 minutes

600 minutes

120 minutes

90 minutes

60 minutes

48 minutes

36 minutes

30 minutes

24 minutes

12 minutes

8 minutes

6 minutes

1 minute

None of the above.

Not enough information.

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* 8. You take off going north at 60 km/h and your friend takes off going south at 60 mph. When you are 320 km apart, for how long were both of you traveling? (Rounded to nearest hundredth)

2.67 hours

5.33 hours

2.04 hours

4.02 hours

2.00 hours

4.29 hours

8.75 hours

0.09 hours

11.25 hours

3.20 hours

4.024 hours

2.044 hours

2.667 hours

5.333 hours

None of the above.

Not enough information.

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* 9. The formula for converting from Celsius to Fahrenheit is which of the following?

F = C + 32

F = C + 45

F = (C × 9/5) + 32

F = (C × 9/5) − 32

F = (C − 32) × 5/9

F = (C + 32) × 5/9

F = C + 273

F = C / 273

F = C × 273

F = C − 45

F = C − 32

None of the above.