Question

Zandile set up the following apparatus to investigate how temperature affects transpiration rate. water reservoir tap leafy shoot waterproof seal air bubble ruler 1.1 What is the name of this apparatus? (1) 1.2 Why should this apparatus be allowed to stand before starting the experiment? (1) 1.3 Give a hypothesis for this experimental investigation. (2) 1.4 Identify the: (a) Dependent variable (1) (b) Independent variable (1) 1.5 The above apparatus was used to investigate the effect of temperature on transpiration rate. Study the results obtained in the table below. Temperature °C | 22 | 25 | 27 | 28 | 30 Transpiration rate (m mol/m² sec) | 1,5 | 3,5 | 5 | 4,5 | 4 Draw a line graph to illustrate these results. (6) 1.6 What can you conclude about the relationship between temperature and transpiration rate? (2) (14)

          Zandile set up the following apparatus to investigate how temperature affects transpiration rate.

water reservoir
tap
leafy shoot
waterproof seal
air bubble
ruler

1.1 What is the name of this apparatus? (1)
1.2 Why should this apparatus be allowed to stand before starting the experiment? (1)
1.3 Give a hypothesis for this experimental investigation. (2)
1.4 Identify the:
(a) Dependent variable (1)
(b) Independent variable (1)
1.5 The above apparatus was used to investigate the effect of temperature on transpiration rate. Study the results obtained in the table below.

Temperature °C | 22 | 25 | 27 | 28 | 30
Transpiration rate (m mol/m² sec) | 1,5 | 3,5 | 5 | 4,5 | 4

Draw a line graph to illustrate these results. (6)
1.6 What can you conclude about the relationship between temperature and transpiration rate? (2)
(14)

Zandile set up the following apparatus to investigate how temperature affects transpiration rate.

water reservoir
tap
leafy shoot
waterproof seal
air bubble
ruler

1.1 What is the name of this apparatus? (1)
1.2 Why should this apparatus be allowed to stand before starting the experiment? (1)
1.3 Give a hypothesis for this experimental investigation. (2)
1.4 Identify the:
(a) Dependent variable (1)
(b) Independent variable (1)
1.5 The above apparatus was used to investigate the effect of temperature on transpiration rate. Study the results obtained in the table below.

Temperature °C | 22 | 25 | 27 | 28 | 30
Transpiration rate (m mol/m² sec) | 1,5 | 3,5 | 5 | 4,5 | 4

Draw a line graph to illustrate these results. (6)
1.6 What can you conclude about the relationship between temperature and transpiration rate? (2)
(14)

Added by Jessica W.

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