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Question (21)

QN004215

Which container acts as the reference container for comparing sensations from both hands?

(A) A
(B) B
(C) C
(D) None

Correct Answer: B

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Question (22)

QN004216

The activity demonstrates that our feeling of hotness or coldness is

(A) always exact
(B) independent of previous conditions
(C) influenced by previous exposure
(D) measurable with eyes

Correct Answer: C

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Question (23)

QN004217

A student says, “The same water feels cool to one hand and warm to the other.” This statement is

(A) impossible
(B) supported by Activity 7.1
(C) true only for boiling water
(D) true only for ice water

Correct Answer: B

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Question (24)

QN004218

Which observation would support the textbook activity?

(A) Both hands feel exactly the same sensation in B.
(B) Right hand feels B cooler than left hand.
(C) Water in B freezes.
(D) Water in A becomes ice-cold.

Correct Answer: B

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Question (25)

QN004219

The activity primarily investigates

(A) colour of water
(B) purity of water
(C) perception of temperature by touch
(D) weight of water

Correct Answer: C

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Question (26)

QN004220

If a person claims an object is hot only by touching it briefly, the claim may be inaccurate because

(A) objects have no temperature
(B) touch is not always reliable
(C) hot objects are invisible
(D) all objects are equally hot

Correct Answer: B

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Question (27)

QN004221

Which container would normally have the lowest temperature?

(A) A
(B) B
(C) C
(D) A and B equal

Correct Answer: C

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Question (28)

QN004222

Which container would normally have the highest temperature?

(A) A
(B) B
(C) C
(D) B and C equal

Correct Answer: A

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Question (29)

QN004223

A student predicts that both hands will feel B equally warm. After observation, the prediction is found incorrect. This highlights the importance of

(A) observation in science
(B) colouring diagrams
(C) guessing answers
(D) repeating mistakes

Correct Answer: A

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Question (30)

QN004224

The activity teaches that scientific conclusions should be based on

(A) assumptions only
(B) observations and evidence
(C) opinions only
(D) rumours

Correct Answer: B

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Question (21)

Which container acts as the reference container for comparing sensations from both hands?

Explanation:

Link:

Question (22)

The activity demonstrates that our feeling of hotness or coldness is

Explanation:

Link:

Question (23)

A student says, “The same water feels cool to one hand and warm to the other.” This statement is

Explanation:

Link:

Question (24)

Which observation would support the textbook activity?

Explanation:

Link:

Question (25)

The activity primarily investigates

Explanation:

Link:

Question (26)

If a person claims an object is hot only by touching it briefly, the claim may be inaccurate because

Explanation:

Link:

Question (27)

Which container would normally have the lowest temperature?

Explanation:

Link:

Question (28)

Which container would normally have the highest temperature?

Explanation:

Link:

Question (29)

A student predicts that both hands will feel B equally warm. After observation, the prediction is found incorrect. This highlights the importance of

Explanation:

Link:

Question (30)

The activity teaches that scientific conclusions should be based on

Explanation:

Link:

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