Key Words

Question 1

Independent variable

Answer 1

The variable you change in an investigation

Question 2

Dependent variable

Answer 2

The variable you measure in an investigation

Question 3

Control variables

Answer 3

The variables you keep the same in an investigation (minimum 3)

Question 4

Random error

Answer 4

An unpredictable error which cannot be corrected

Question 5

Median

Answer 5

Middle number in a set of data

Question 6

Mode

Answer 6

Most common number in a set of data

Question 7

Accurate

Answer 7

Results that are close to the true value

Question 8

Precise

Answer 8

Results with very little spread

Question 9

Repeatable

Answer 9

If a person repeats the experiment with the same results

Question 10

Valid

Answer 10

If the results can answer the question (consider control variables and number of repeats)

Question 11

Continuous data

Answer 11

Data measured on a number scale

Question 12

Categoric data

Answer 12

Data recorded as words or categories

Question 13

Anomaly

Answer 13

A result that does not follow the pattern or trend, so therefore does not count