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Question (11)

QN004205

Which pair of containers is used for initial hand dipping in the activity?

(A) A and B
(B) B and C
(C) A and C
(D) Only B

Correct Answer: C

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Question (12)

QN004206

After placing hands in A and C, both hands are finally placed in

(A) A
(B) B
(C) C
(D) a new container

Correct Answer: B

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Question (13)

QN004207

If a student relies only on touch to compare temperatures, the result may be

(A) always correct
(B) always wrong
(C) unreliable in some situations
(D) identical for everyone

Correct Answer: C

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Question (14)

QN004208

Which statement is correct?

(A) Touch always gives the exact temperature.
(B) Touch never detects hotness.
(C) Touch may not correctly indicate how hot or cold an object is.
(D) Touch works only for water.

Correct Answer: C

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Question (15)

QN004209

A person touches water from a refrigerator and water from a matka. The cooler one is generally identified by

(A) smell
(B) taste
(C) touch
(D) sound

Correct Answer: C

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Question (16)

QN004210

The main purpose of the prediction step in Activity 7.1 is to

(A) measure temperature
(B) compare expected and actual observations
(C) heat the water
(D) cool the containers

Correct Answer: B

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Question (17)

QN004211

Which scientific skill is developed when students compare predictions with observations?

(A) Memorisation
(B) Guessing only
(C) Analysis and inference
(D) Drawing only

Correct Answer: C

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Question (18)

QN004212

If both hands are kept in the same tap water directly without first dipping them in A and C, they would most likely

(A) give more similar sensations
(B) feel opposite sensations
(C) stop sensing temperature
(D) feel boiling water

Correct Answer: A

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Question (19)

QN004213

What is the best conclusion from Activity 7.1?

(A) Warm water is always hotter than tap water.
(B) Ice water is always colder than tap water.
(C) Human touch alone is not a dependable measure of hotness or coldness.
(D) Water changes temperature when touched.

Correct Answer: C

Explanation:

Scientific observations show that touch alone is not a reliable indicator of temperature.

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Question (20)

QN004214

If two students place their hands in the same container B after different prior experiences, they may report different sensations because

(A) the water has two temperatures
(B) the water changes temperature for each student
(C) sensation depends on previous exposure of the hands
(D) container B is defective

Correct Answer: C

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Question (11)

Which pair of containers is used for initial hand dipping in the activity?

Explanation:

Link:

Question (12)

After placing hands in A and C, both hands are finally placed in

Explanation:

Link:

Question (13)

If a student relies only on touch to compare temperatures, the result may be

Explanation:

Link:

Question (14)

Which statement is correct?

Explanation:

Link:

Question (15)

A person touches water from a refrigerator and water from a matka. The cooler one is generally identified by

Explanation:

Link:

Question (16)

The main purpose of the prediction step in Activity 7.1 is to

Explanation:

Link:

Question (17)

Which scientific skill is developed when students compare predictions with observations?

Explanation:

Link:

Question (18)

If both hands are kept in the same tap water directly without first dipping them in A and C, they would most likely

Explanation:

Link:

Question (19)

What is the best conclusion from Activity 7.1?

Explanation:

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Question (20)

If two students place their hands in the same container B after different prior experiences, they may report different sensations because

Explanation:

Link:

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