How Science Works

Question 1

What does M stand for and meaning?

Answer 1

Mega, 10 power of 6

Question 2

What does G stand for and meaning?

Answer 2

Giga, 10 power of 9

Question 3

What does T stand for and meaning?

Answer 3

Tera, 10 power of 12

Question 4

What does K stand for and meaning?

Answer 4

Kilo, 10 power of 3

Question 5

What does m stand for and meaning?

Answer 5

Milli, 10 power of -3

Question 6

What does mc or u with a line stand for and meaning?

Answer 6

Micro, 10 power of -6

Question 7

What does n stand for and meaning?

Answer 7

Nano, 10 power of -9

Question 8

What does p stand for and meaning?

Answer 8

Pico, 10 power of -12

Question 9

Random error?

Answer 9

Caused by unknown and unpredictable changes in experiment (e.g reaction time)

Question 10

Systematic error?

Answer 10

Issue with experimental design or equipment. Causes all readings to differ from true value by a fixed amount (e.g miscalculated scale)

Question 11

Parallex error?

Answer 11

Incorrect positioning of the eyes when taking a measurement.

Question 12

Zero error?

Answer 12

When a measuring system gives a false reading when true value is zero.

Question 13

Resolution meaning?

Answer 13

The smallest change in quantity an instrument can detect.

Question 14

Repeatability meaning?

Answer 14

Same observation made under the same conditions and instruments used.

Question 15

Reproducibility meaning?

Answer 15

Independent researchers get same results using own data and methods.

Question 16

Peer review meaning?

Answer 16

Conclusions from new scientific researchers are reviewed or checked by other scientists.

Question 17

Prefixes in order

Answer 17

Pico (p), nano (n), Micro (M), milli (m), centi (c), deci (d), kilo (k), mega (M), giga (G), tera (T)