Prescribed Practicals

Question 1

When doing the ‘burning food’ practical, what is the name of the needle you put the food on to?

Answer 1

Mounted needle.

Question 2

When doing the ‘burning food’ practical when do you record the temperature?

Answer 2

At the start of the experiment and after after all of the food is burnt.

Question 3

What are the controlled variables in the ‘burning food’ practical?

Answer 3

-Same mass of food
-Same volume of water
-Same distance between the food and water

Question 4

In the ‘photosynthesis’ practical, why do you de starch the plant before the experiment?

Answer 4

To ensure that any starch made was a result of the environmental conditions in the experiment, it also improves accuracy.

Question 5

In the ‘sampling’ practical, how do you make the grid?

Answer 5

Using measuring tape placed at right angles from each other.

Question 6

In the ‘sampling’ practical with belt transects, what does the quadrat do?

Answer 6

Moves along the measuring tape.

Question 7

In the ‘sampling’ practical with belt transects, what does the quadrat do?

Answer 7

Moves long the measuring tape.