Sarai Reynolds

Chemistry

10 December, 06:09

Yousef measured the height of each seedling on day 1 and day 7. These are his results.

Group

Seedling

Increase in

height/mm

A no water

6.5

0.5

0.5

0.5

5.5

B 2 cm water

Height of seedling/mm

Day 1

Day 7

- 6.0

5.5

6.0

6.0

5.5

7.5

6.0

8.0

6.0

8.5

6.0

9.5

5.5

9.5

6.0

10.0

2.0

00 UN

2.0

2.5

C5cm water

a

b

C

Calculate the increase in height for each of the seedlings 7, 8 and 9.

Calculate the mean increase in height for each group of seedlings.

On graph paper, draw a bar chart to show Yousef's results. Put volume of

water on the x-axis, and mean increase in height on the s-axis.

Write a conclusion that Yousef could make from his results.

d

1 Plants