Page 171 - Maths Class 03

3. This data shows how quickly a beaker of water was heated, using a Bunsen

burner.
Time (mins) Temperature (°C)

0 18

1 25

2 36

3 45

4 54

5 61

6 69

7 76

8 82

9 89

10 93

a. Plot the data in the form of a bar graph.

b. What was the starting temperature ?

c. What is the highest temperature according to your graph.

d. What was the approximate temperature after 90 seconds ?

4. The following data shows how far a Mountain Biker travels during an off-road
race.
Time (hours) Distance (miles)

00 0

05 6

10 10

15 15

20 19

25 22

30 24

Mathematics-3 171