Key Words

Question 1

Independent Variable

Answer 1

The variable you change to see what happens. Plot it on your x-axis

Question 2

Dependant Variable

Answer 2

The variable you measure. Plot it on your y-axis

Question 3

Control variable

Answer 3

A variable that must be kept the same (or at least monitored) to prevent it affecting your results. Controlling the variable will help make a fair test.

Question 4

Validity

Answer 4

How useful your evidence is to actually answer the question.

Question 5

Repeatability

Answer 5

A measurement is repeatable when the same person repeats the experiment (using same method and equipment) and gains the SAME (or similar) results.

Question 6

Reproducibility

Answer 6

A measurement is reproducible if ANOTHER person (or the same person using different equipment/method) can get the same (or similar) results.