Chapter 2

Conversions

100

Convert 2500 mg to g

2.5 g

200

Convert 4.0 kg to g

0.004 g

300

Convert 15,000 m to cm 

1,500,000 cm

400

Convert 45 kg to mg

4,500,000,000 mg

500

Convert 54 years to seconds

1,702,944,000 seconds

Definitions

100

What is the definition of accuracy?

Hitting a given target

200

What is the definition of precision?

Hitting a point (not the target) multiple times

300

What is a derived unit?

Units that are made up of 2 or more fundamental units.

400

Is m/s² a derived or a fundamental unit?

Derived

500

Name 3 fundamental units

seconds, grams, meters, etc. 

Scientific Notation

100

Put 0.001 in Scientific Notation

1.0x10^-3

200

What is the regular number notation of 4.6x10³

4600

300

Put 4.2069x10¹⁴ in regular notation.

420,690,000,000,000

400

Put 0.00000000000056 in scientific notation

5.6x10^-13

500

Put 6.02x10²³ in regular notation

620,000,000,000,000,000,000,000

Significant Figures

100

How many sig figs are in 100?

1

200

How many sig figs are in 0.420?

3

300

How many sig figs are in 0.0000000000000000024000004532?

11 

400

How many sig figs are in 6,900,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000?

2

500

How many sig figs are in 6.740x10^-34?

4

Units

100

What unit is larger? mg or g

g 

200

What unit is smaller? KL or mL

mL

300

Which unit would be best used to measure the height of a basketball hoop? Km or m

m

400

Which unit would be best used to measure the water in the ocean? Exaliters or Attoliters

Exaliters

500

Which prefix on your sheet is notated by "mu," a greek letter?

Micro