Question 1 - 5
Choose the correct letter, A, B or C.
1.
What is Clare's main concern about her Year 12 science class?
The students are making too little academic progress.
Their classroom behaviour is difficult to control.
They show very little interest in science.
2.
How does Jake respond to Clare's idea for an experiment about children's diets?
The findings might have little value.
Some essential information could be hard to obtain.
The outcome might upset the children.
3.
What limitation of an animal experiment do Clare and Jake agree on?
The findings might not apply to people.
Permission could be complicated to obtain.
The students might object to using animals.
4.
What do they decide the experiment should investigate?
whether mice regulate their own food intake
whether consuming more sugar causes health problems
how several kinds of supplement influence health
5.
What additional factor might Clare examine in a later experiment?
another type of supplement
a different genetic strain of mouse
different levels of exercise
Question 6 - 10
Complete the flow chart below.
Experimental procedure
STEP 1
Select mice that are all the same 6.Drop or Select.
STEP 2
Split the mice into two groups and identify each group with a different 7.Drop or Select.
STEP 3
Keep the groups in separate cages. Give Group A standard mouse food. Give Group B the same food plus sugar mixed into 8.Drop or Select.
STEP 4
Weigh the mice with an electronic scale. Use a weighing chamber to prevent 9.Drop or Select.
STEP 5
Complete all required 10.Drop or Select.
Kéo option vào câu hỏi
8 OPTIONS
size
escape
age
water
cereal
calculations
changes
colour
. . .
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