Physics - SI units 📏

Question 1

What does “SI” stand for?

Answer 1

Standard International

Question 2

What is the SI unit for length?

Answer 2

Metres (m)

Question 3

What is the SI unit for mass?

Answer 3

Kilograms (kg)

Question 4

What is the SI unit for temperature?

Answer 4

Kelvin (K)

Question 5

What is the SI unit for time?

Answer 5

Seconds (s)

Question 6

What is the SI unit for electric current?

Answer 6

Amperes (A)

Question 7

What is the symbol for tera-?

Answer 7

T

Question 8

What is the conversion factor for tera-?

Answer 8

10^12

Question 9

What is the symbol for giga-?

Answer 9

G

Question 10

What is the conversion factor for giga-?

Answer 10

10^9

Question 11

What is the symbol for mega-?

Answer 11

M

Question 12

What is the conversion factor for mega-?

Answer 12

10^6

Question 13

What is the symbol for kilo-?

Answer 13

k

Question 14

What is the conversion factor for kilo-?

Answer 14

10^3

Question 15

What is the symbol for centi-?

Answer 15

c

Question 16

What is the conversion factor for centi-?

Answer 16

10^-2

Question 17

What is the symbol for milli-?

Answer 17

m (not capital, that’s mega)

Question 18

What is the conversion factor for milli-?

Answer 18

10^-3

Question 19

What is the symbol for micro-?

Answer 19

μ (not m, that’s milli.)

Question 20

What is the conversion factor for micro-?

Answer 20

10^-6

Question 21

What is the symbol for nano-?

Answer 21

n

Question 22

What is the conversion factor for nano-?

Answer 22

10^-9

Question 23

What is the symbol for pico-?

Answer 23

p

Question 24

What is the conversion factor for pico-?

Answer 24

10^-12

Question 25

How would you convert an SI unit to a smaller SI unit?

Answer 25

Multiply the original measurement by a conversion factor.

Question 26

How would you convert an SI unit to a greater SI unit?

Answer 26

Divide the original measurement by a conversion factor.