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Biology Math

Authored by Charles Martinez

Biology

9th - 11th Grade

NGSS covered

Biology Math
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14 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

If the scale bar measures 60 mm and the actual size it represents is 30 μm , what is the magnification?

2,000X

150X

5,000X

20X

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

If a scale bar measures 32 mm and it states it's length is 100 μm, what is the magnification?

320 x

3,200 x

0.32 x

32,000 x

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

If a bacteria image measures 450 mm and the magnification is 15,000x, what is the actual size of the bacteria?

30 µm
0.3 µm
300 µm
3,000 µm

Tags

NGSS.MS-LS1-1

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Serena measured the image of one of the bacterial cells to be 32 mm. If the magnification of the image is 8,000X, what is the actual size of the bacterial cell?

4 μm

0.004 μm

256,000 μm

0.25 μm

Tags

NGSS.MS-LS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The scale bar of measures 3 mm but its actual size is 50 nm. What is the magnification of this image?

Remember: 1 mm = 1,000,000 nm

60,000X

60X

600X

6,000X

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

To calculate magnification we use......

image size x actual size
image size ÷ actual size
actual size ÷ image size

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

To calculate image size we use.....

actual size x magnification
magnification ÷ actual size
actual size ÷ magnification

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