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CK-12 1.7 SI Units

CK-12 1.7 SI Units

Assessment

Presentation

Science

9th - 12th Grade

Medium

NGSS
MS-PS2-2, MS-PS3-4

Standards-aligned

Created by

Kevin Kreipe

Used 1+ times

FREE Resource

10 Slides • 10 Questions

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Open Ended

Why is it important to use standard units like SI units in scientific measurements?

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Multiple Choice

Which of the following statements about SI units is correct?

1

SI units are based on powers of 10, making them easy to use.

2

SI units are only used in the United States.

3

There are 10 basic SI units.

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Multiple Choice

Which SI prefix represents one-thousandth (0.001) of a meter?

1

centi

2

milli

3

micro

4

nano

8

Multiple Select

Which of the following are correct SI prefixes and their values?

1

kilo (k) = 1000

2

centi (c) = 0.01

3

milli (m) = 0.1

4

nano (n) = 0.000000001

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Open Ended

Why is it important to use standard units like the SI system in science?

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Fill in the Blank

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Multiple Choice

If Rob needs 1 meter (39.37 in) of wire and wire is sold by the yard (36 in), does Rob have enough if he buys 1 yard?

1

No, 1 yard is less than 1 meter.

2

Yes, 1 yard is more than 1 meter.

3

Yes, 1 yard is exactly 1 meter.

4

It depends on the thickness of the wire.

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Multiple Choice

Which of the following statements about the SI system is NOT correct?

1

SI is the International System of Units.

2

SI has 7 base units with prefixes for multiples and fractions.

3

SI is only used in English-speaking countries.

4

Conversions between SI and English units are possible.

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Open Ended

Why is a common system of units important?

20

Multiple Choice

What was the main reason for the failure of the Mars Climate Orbiter mission in 1999?

1

A software bug unrelated to units

2

A hardware malfunction

3

A unit conversion error between SI and English units

4

A communication failure with NASA

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