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Part 3
Listen to the audio and answer the questions.

Questions

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Questions 21-25

Choose the correct letter, A, B or C.

Science experiment for Year 12 students

21 How does Clare feel about the students in her Year 12 science class?
22 How does Jake react to Clare’s suggestion about an experiment based on children’s diet?
23 What problem do they agree may be involved in an experiment involving animals?
24 What question do they decide the experiment should address?
25 Clare might also consider doing another experiment involving

Questions 26-30

Complete the flowchart below.
Choose FIVE answers from the box and write the correct letter, A-H.

A. size
B. escape
C. age
D. water
E. cereal
F. calculations
G. changes
H. colour
Choose mice which are all the same 26Drop here.
⭣
Divide the mice into two groups, each with a different 27Drop here.
⭣
Put each group in a separate cage.
Feed group A commercial mouse food.
Feed group B the same, but also sugar contained in 28Drop here.
⭣
Take measurements using an electronic scale.
Place them in a weighing chamber to prevent 29Drop here.
⭣
Do all necessary 30Drop here.
Notes