MS1 Science1: SI Units

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Base Units

Derived Units

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Derived units are created by combining the base units.

Title

Prefixes

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Combining Prefixes and Units

Kilo +

grams

meters

milli +

grams

meters

micro

nano

meters

That's A Lot to Remember ...

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To help remember vocabulary, you need more than just the words and the definitions. You need to gain a deeper understanding of what the words mean.

The Universe at Different Scales

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To help remember vocabulary, you need more than just the words and the definitions. You need to gain a deeper understanding of what the words mean.

Lightyears

9.4607×10^{15} m

9460700000000000m

Humans

.5464m-2.361m

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Cells

12-17\mu m

0.000012-0000017m

12 \times 10^{-6} - 17 \times 10^{-6} m

Atoms

30 - 300pm

1pm = 0.000000000001m

30 \times 10^{-12} \\ - 300 \times 10^{-12} m

Questions

1. The distance from Tokyo to Hachioji is about 4200 m.

Write the distance in kilometers.

2. I weigh about .064 megagrams. How many kilograms do I weigh?

3. The iPad Pro is 169.5 mm wide. How many centimeters is that?

4. The length of 1,000,000 cells stacked end-to-end is 1m. How long is each cell?

1 cell

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5. The radius of an atom is 10E-9m. Write the radius of an atom in nanometers.