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Question (11)

QN0013003

Which factor can help a boat stay floating?

(A) Proper design and balance
(B) Making it only heavier
(C) Making it completely flat always
(D) Removing all air spaces

Correct Answer: A

Explanation:

Boat design and balance affect floating.

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Question (12)

QN0013004

Which object is most likely to sink in water?

(A) Cork
(B) Thermocol
(C) Marble
(D) Leaf

Correct Answer: C

Explanation:

Marble usually sinks in water.

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Question (13)

QN0013005

Which object is expected to float?

(A) Spoon
(B) Candle
(C) Coin
(D) Marble

Correct Answer: B

Explanation:

Candle can float in water.

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Question (14)

QN0013006

A bottle with a closed lid and no water inside may float because it has ______.

(A) Air inside
(B) Metal inside
(C) Stones inside
(D) Sand inside

Correct Answer: A

Explanation:

Trapped air helps the bottle float.

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Question (15)

QN0013007

A bottle filled completely with water and closed is more likely to ______.

(A) Float easily
(B) Sink
(C) Fly
(D) Break apart

Correct Answer: B

Explanation:

A water-filled bottle is more likely to sink.

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Question (16)

QN0013008

Two objects have the same weight. Which factor may decide which one floats?

(A) Shape
(B) Colour
(C) Name
(D) Sound

Correct Answer: A

Explanation:

Shape influences floating behaviour.

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Question (17)

QN0013009

A clay ball sinks, but a clay boat may float because the boat has a different ______.

(A) Colour
(B) Shape
(C) Smell
(D) Material

Correct Answer: B

Explanation:

The shape of clay changes its floating ability.

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Question (18)

QN0013010

If a floating object is made more compact by removing trapped air, it may ______.

(A) Sink
(B) Glow
(C) Melt
(D) Grow

Correct Answer: A

Explanation:

Removing trapped air can make an object sink.

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Question (19)

QN0013011

Which observation challenges the idea “all heavy objects sink”?

(A) Stone sinks
(B) Iron nail sinks
(C) Empty bowl floats
(D) Coin sinks

Correct Answer: C

Explanation:

An empty bowl can float despite being heavier.

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Question (20)

QN0013012

Which observation challenges the idea “all light objects float”?

(A) Leaf floats
(B) Some small objects can sink
(C) Empty bottle floats
(D) Candle floats

Correct Answer: B

Explanation:

Weight alone does not decide floating.

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Question (11)

Which factor can help a boat stay floating?

Explanation:

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Question (12)

Which object is most likely to sink in water?

Explanation:

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Question (13)

Which object is expected to float?

Explanation:

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Question (14)

A bottle with a closed lid and no water inside may float because it has ______.

Explanation:

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Question (15)

A bottle filled completely with water and closed is more likely to ______.

Explanation:

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Question (16)

Two objects have the same weight. Which factor may decide which one floats?

Explanation:

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Question (17)

A clay ball sinks, but a clay boat may float because the boat has a different ______.

Explanation:

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Question (18)

If a floating object is made more compact by removing trapped air, it may ______.

Explanation:

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Question (19)

Which observation challenges the idea “all heavy objects sink”?

Explanation:

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Question (20)

Which observation challenges the idea “all light objects float”?

Explanation:

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