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Question (21)

QN0010192

A student says that water disappears forever after evaporation. Which statement is correct?

(A) True, water is lost permanently.
(B) False, it becomes water vapour.
(C) True, water changes into air.
(D) False, it changes into soil.

Correct Answer: B

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Question (22)

QN0010193

Which process in the water cycle changes liquid water into water vapour?

(A) Cooling
(B) Freezing
(C) Heating
(D) Filtering

Correct Answer: C

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Question (23)

QN0010194

If clouds become full of water droplets, what is most likely to happen next?

(A) Water freezes underground
(B) Rain, snow or hail may fall
(C) Rivers stop flowing
(D) Oceans disappear

Correct Answer: B

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Question (24)

QN0010195

Which of these is an example of water returning to Earth from the atmosphere?

(A) Steam rising from water
(B) Water soaking into soil
(C) Rain falling from clouds
(D) River water flowing

Correct Answer: C

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Question (25)

QN0010196

A transparent bag contains coloured water and is kept in sunlight. After a few hours, droplets appear inside the upper part of the bag. Why?

(A) Water vapour cooled and condensed
(B) Plastic released water
(C) Air entered the bag
(D) Colour created droplets

Correct Answer: A

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Question (26)

QN0010197

Which pair correctly shows opposite changes in the water cycle?

(A) Evaporation and condensation
(B) Rainfall and rivers
(C) Lakes and oceans
(D) Snow and hail

Correct Answer: A

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Question (27)

QN0010198

Which stage adds water vapour to the atmosphere?

(A) Rainfall
(B) Cloud formation
(C) Evaporation
(D) Groundwater recharge

Correct Answer: C

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Question (28)

QN0010199

If the temperature suddenly becomes very low, water vapour in clouds may return to Earth as ________.

(A) soil
(B) snow
(C) sunlight
(D) rocks

Correct Answer: B

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Question (29)

QN0010200

What would happen to the water cycle if water never evaporated?

(A) Clouds would not form properly
(B) Rivers would flow faster
(C) More groundwater would form immediately
(D) Oceans would become freshwater

Correct Answer: A

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Question (30)

QN0010201

Which example best demonstrates evaporation?

(A) Ice melting in a glass
(B) Rain falling from clouds
(C) Wet clothes drying in sunlight
(D) Snow collecting on mountains

Correct Answer: C

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Question (21)

A student says that water disappears forever after evaporation. Which statement is correct?

Explanation:

Link:

Question (22)

Which process in the water cycle changes liquid water into water vapour?

Explanation:

Link:

Question (23)

If clouds become full of water droplets, what is most likely to happen next?

Explanation:

Link:

Question (24)

Which of these is an example of water returning to Earth from the atmosphere?

Explanation:

Link:

Question (25)

A transparent bag contains coloured water and is kept in sunlight. After a few hours, droplets appear inside the upper part of the bag. Why?

Explanation:

Link:

Question (26)

Which pair correctly shows opposite changes in the water cycle?

Explanation:

Link:

Question (27)

Which stage adds water vapour to the atmosphere?

Explanation:

Link:

Question (28)

If the temperature suddenly becomes very low, water vapour in clouds may return to Earth as ________.

Explanation:

Link:

Question (29)

What would happen to the water cycle if water never evaporated?

Explanation:

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Question (30)

Which example best demonstrates evaporation?

Explanation:

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