The Metric System ROCKS!

Its about “10”

Giga-Cool

Inches?

A “Systems International” Public Service Announcement

I wish I had a ruler!

Mr. T bench presses 120 kg before breakfast.

120 kg = __ g

a. 0.120 g

b. 0.012 g

c. 1,200 g

d.120,000 g

I pity the fool who don’t measure in

metrics!

1

Which statement is TRUE about the metric system?

a. There are 100 cm in a mm.

b. There are 10 mm in a 1 cm.

c. There are 1000 km in a 1m.

d. Like David Hasselhoff, its BIG in Germany.

The metric system RULES!

2

Elvis is getting in shape by running. He’s running in a 15 km race. How many miles is that? (Show work)

Conversion factor:

1 mi = 1.6 km

3

Stephen Hawking is a cosmologist. He bet that a black hole exists 37,000 light years away.

Express that distance in scientific notation?

Metric Olympics? Silly Americans!

4

Which metric prefix best describes Homer’s brain?

a.Giga

b.Deca

c.Nano

5

6. Fill in the blanks.

There are ...

a. ______ mm in 1 cm

b. ______ cm in 1 m

c. ______ m in 1 km

7a.The prefix “milli” means:______ times the base unit.

a. one millionth b. one thousandth c. a hundred

7b. The prefix “deci” means: _______ times the base unit.

a. a million b. one tenth c. one hundredth

7c. The prefix “giga” means: ____ times the base unit.

a. A billion b. a thousand c. one millionth

8. Which is has more mass: Paris Hilton’s 8 kg European bag or her 3 lb dog? (Show work)

Conversion factor:

1kg = 2.2 lbs

Metrics are “Mega-hot!”

9. Which set of measurements is the most precise?

a.Group 1: 5.55 mm , 5.43 mm, 5.52 mm

b.Group 2: 5.3 mm, 5.4 mm, 5.2 mm

c.Group 3: 5 mm, 5 mm, 6 mm

10. Which choice shows the answer to the correct # of precision (sig. digits)

3.5 mL + 6.33 mL =

a. 9.8

b. 9.83

c. 9.830

d. 10

11. Which choice shows the answer to the correct # of precision (sig. digits)

(4.2 mm) (5.55 mm) =

a. 23 mm2

b. 23.3 mm2

c. 23.31 mm2

d. 23.310 mm2

12. Period 2 lab groups massed a sample of lead with the following results:12.5 g , 12.5 g, 12.5 g, 12.5 g, 12.55 g

The actual mass of the sample was 10.5 g.

a. The measurements were precise & accurate.

b. The measurements were precise, but not accurate.

c. The measurements were not accurate or precise.

13. The Roxybury brothers like to impress the European ladies with words like “centi” and “deci” …

Which metric prefix means 1/1000?

a. milli

b. Kilo

c. Mega

d. Micro

e. Hecto

Girls like guys with

metric skills. 14. There is / are

____microlitres in 1 liter.

a.1/10 3 (one thousandth)

b.10 2 (one hundred)

c.10 6 (one million)

d.10 9 (one billion)

Answers1. D 2. b (& d) 3. 9.4 mi

4. 3.7 x 104 (2 s.figs) 5. c 6. 10; 100; 1000

7. b; b; a 8. the bag 9. a

10. A 11. a 12. b

13. A