Measurement Defenitions and Units

Question 1

Independent variable

Answer 1

The variable you change

Question 2

Reliable

Answer 2

When repeated the result is the same

Question 3

A result that doesn’t fit in with the pattern of others

Answer 3

Anomalous Result

Question 4

The variable you must keep the same to make a fair test

Answer 4

Control variable

Question 5

Mass

Answer 5

Kg

Question 6

Time

Answer 6

S

Question 7

Length

Answer 7

M

Question 8

Repeated Readings

Answer 8

Try to take at least three readings and average

Question 9

1 mm -

Answer 9

1/1000 m

Question 10

Uncertainty/error

Answer 10

An error in the reading caused by a mistake or imprecise equipment

Question 11

1 g -

Answer 11

1/1000 kg

Question 12

Accurate

Answer 12

An accurate reading is as close as the result to the real answer

Question 13

1 cm -

Answer 13

1/100 m

Question 14

Dependant variable

Answer 14

The variable that changes in the experiment

Question 15

Small measurements

Answer 15

Take a number of measurements together e.g many sheets of paper, 10 pendulum swings e.t.c

Question 16

Number of decimal places of reading; determined by how close together repeats are

Answer 16

Precise