Practical essentials

Question 1

steps to drawing a graph

Answer 1

1) identify what graph it is
2) work out a suitable range of numbers for each axis
3) label each axis
4) if it is a bar chart make sure there is the same distance between each bar.
5) Make sure there is the same number of squares between numbers.
6) plot result
7) line of best fit (line graph only )
8) title

Question 2

the independent variable is always on the …..

Answer 2

x axis

Question 3

the dependant variable is always on the…..

Answer 3

y axis

Question 4

independant

Answer 4

what we are changing (I change )

Question 5

Dependant

Answer 5

what we are measuring

Question 6

control

Answer 6

what stays the same

Question 7

Conclusion should include …

Answer 7

• what the results show
• are the results expected
• are there any trends
• use scientific explanations
• evaluation
• improvements

Question 8

% error for a ruler if the measurement is 2.3cm

Answer 8

% error is 0.05

2.3/0.05 x 100