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Science
Lower Secondary (Key Stage 3)
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Y10: Graph skills
Slide 1 - Diapositive
We like to display data using graphs because it is easier to see
patterns
on a graph.
We need to be able to describe the patterns that we see.
Slide 2 - Diapositive
In this graph we can see that the general pattern in that the graph gets higher.
In science, instead of saying 'gets higher' we would say '
increases
'.
Slide 3 - Diapositive
In this graph we can see that the general pattern in that the graph gets lower.
In science, instead of saying 'gets lower' we would say '
decreases
'.
Slide 4 - Diapositive
What is the general trend in this graph?
A
Increasing
B
Decreasing
Slide 5 - Quiz
What is the general trend in this graph?
A
Increasing
B
Decreasing
Slide 6 - Quiz
What is the general trend in this graph?
A
Increasing
B
Decreasing
Slide 7 - Quiz
What is the general trend in this graph?
A
Increasing
B
Decreasing
Slide 8 - Quiz
What is the general trend in this graph?
A
Increasing
B
Decreasing
Slide 9 - Quiz
When we are asked to describe a trend, we need to give information about both variables on the graph.
We would say, 'as .................... increases, ................... increases/decreases'.
On this graph, as force increases, the length of the spring increases too.
Slide 10 - Diapositive
Fill the blank.
As time increases, the volume of gas .
increases
decreases
Slide 11 - Question de remorquage
Finish the sentence: As height increases,
Slide 12 - Question ouverte
Finish the sentence: As time increases,
Slide 13 - Question ouverte
Describe the trend on this graph.
Slide 14 - Question ouverte
Sometimes there is more than one trend. and we need to give more detail.
Trend 1: As temperature increases, enzyme activity increases.
Trend 2: At higher temperatures, enzyme activity rapidly decreases.
Slide 15 - Diapositive
Describe the trends in this graph.
Slide 16 - Question ouverte
Describe the trends in this graph.
Slide 17 - Question ouverte
Describe the trends in this graph.
Slide 18 - Question ouverte
To perfect our answer we can use the data (numbers) on the graph to make accurate statements.
Here we would say:
As temperature increases, enzyme activity increases up to 70 C. After 70 C enzyme activity decreases rapidly.
°
°
Slide 19 - Diapositive
At what time does volume of gas level off?
A
15 seconds
B
25 seconds
C
30 seconds
D
40 seconds
Slide 20 - Quiz
Describe the trend(s) on this graph, include data (numbers).
Slide 21 - Question ouverte
At what pH does rate of reaction peak?
A
0
B
1
C
2
D
3
Slide 22 - Quiz
Describe the trend(s) on this graph, include data (numbers).
Slide 23 - Question ouverte
At what temperature does rate of reaction peak?
A
15
B
28
C
37
D
50
Slide 24 - Quiz
Describe the trend(s) on this graph, include data (numbers).
Slide 25 - Question ouverte
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