General

Question 1

10^-3

What is the prefix and symbol?

Answer 1

Milli, m

Question 2

Giga, G

What is the exponent?

Answer 2

10^9

Question 3

What are the base quantities?

Answer 3

Mass, length, time, temperature, electric current, amount of substance and luminous intensity

Question 4

Define base units

Answer 4

The units that define the SI system

Question 5

What is the SI unit and symbol for temperature?

Answer 5

Kelvin K

Question 6

What is the unit and symbol for pressure?

Answer 6

Pascal, Pa

Question 7

What is the exponent for Peta, P

Answer 7

10^15

Question 8

What is the prefix and symbol for 10^12?

Answer 8

Tera, T

Question 9

What is the exponent for nano, n?

Answer 9

10^-9

Question 10

What is the prefix and symbol for 10^-12

Answer 10

pico, p

Question 11

What is the exponent for micro, mu

Answer 11

10^-6

Question 12

What is the exponent for mega, M?

Answer 12

10^6

Question 13

What is the exponent for kilo, k?

Answer 13

10^3

Question 14

What is the exponent for femto, f?

Answer 14

10^-15

Question 15

Why is it important to test by experiment the prediction of a scientific theory?

Answer 15

If a reliable experiment does not support a hypothesis, the hypothesis must be changed.

Question 16

What are the steps taken by the scientific community for the value of a quantity to be accepted?

Answer 16

The method and value are published.

Other scientists repeat the experiment using the same method.

Question 17

What is the density of water?

Answer 17

1000 kgm^3