RESPIRATION EXPERIMENT 2

Question 1

PURPOSE

Answer 1

Investigating the evolution (production) of HEAT in respiring seeds?

Question 2

1ST STEP

Answer 2

Two thermos flasks are set up :

Question 3

What is in the 1st flask?

Answer 3

One with germinating seeds

Question 4

What is the 2nd flask?

Answer 4

One with boiled seeds (control)

Question 5

2ND STEP

Answer 5

THERMOMETERS wrapped in cotton wool PREVENTS heat from escaping are added

Question 6

3RD STEP

Answer 6

Initial temperatures are recorded

Question 7

4TH STEP

Answer 7

The seeds are left for A FEW DAYS

Question 8

5TH STEP

Answer 8

The final temperature is recorded

Question 9

EVALUATION

Answer 9

The germinating seeds are ALIVE, they will be respiring aerobically💨

PRODUCING ENERGY in the form of (HEAT)🔥

Causing the TEMP of the thermos flask to rise as a result

Question 10

EVALUATION OF THE CONTROL

Answer 10

As the BOILED SEEDS have DIED they WONT be respiring aerobically

Therefore NO ENERGY is produced causing temp to remain the same

Question 11

CONTROL

Answer 11

Is a DUPLICATE EXPERIMENT set up w/ the condition being investigated been REMOVED/ NEUTRALISED in some way

Question 12

WHAT IS THE CONTROL IN THIS EXPERIMENT

Answer 12

If the temp in the flask w/ DEAD SEEDS rises during experiment , then we know that respiration is NOT the cause of it