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Question (1)

QN0031328

Four students selected materials for making water containers. Rahul – Cotton cloth Neha – Glass Rohan – Paper Aditi – Sponge Whose selection is the most suitable?

(A) Rahul
(B) Neha
(C) Rohan
(D) Aditi

Correct Answer: B

Explanation:

Glass is waterproof and suitable for storing water, whereas cloth, paper and sponge absorb or allow water to pass.

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Question (2)

QN0031329

A teacher gives four objects: P – Copper wire Q – Wooden block R – Aluminium foil S – Plastic spoon Which pair belongs to the same group based on lustre?

(A) P and Q
(B) P and R
(C) Q and S
(D) R and S

Correct Answer: B

Explanation:

Copper and aluminium are lustrous metals.

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Question (3)

QN0031330

Three identical bottles contain equal volumes of water, sand and pebbles respectively. Which arrangement correctly shows their masses from highest to lowest?

(A) Water > Sand > Pebbles
(B) Pebbles > Sand > Water
(C) Sand > Pebbles > Water
(D) Water > Pebbles > Sand

Correct Answer: B

Explanation:

Equal volumes of different materials can have different masses. Pebbles are heaviest, followed by sand and then water.

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Question (4)

QN0031331

A student wants to hide behind one of the following materials so that nobody can see through it. Which material should be chosen?

(A) Window glass
(B) Butter paper
(C) Wooden door
(D) Clean water

Correct Answer: C

Explanation:

A wooden door is opaque and blocks light completely.

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Question (5)

QN0031332

Which set contains only materials that dissolve completely in water?

(A) Salt, sugar
(B) Sand, chalk powder
(C) Sawdust, sugar
(D) Chalk powder, salt

Correct Answer: A

Explanation:

Salt and sugar are soluble in water.

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Question (6)

QN0031333

A football, a cricket ball and a hand exercise ball are dropped from the same height. Which property mainly decides how high they bounce?

(A) Colour
(B) Shape
(C) Material used
(D) Size

Correct Answer: C

Explanation:

Different materials have different elasticity, so they bounce to different heights.

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Question (7)

QN0031334

Observe the following sequence. Brick → Hard Pillow → Soft Iron rod → Hard Rubber ball → ? Choose the correct property.

(A) Hard
(B) Soft
(C) Transparent
(D) Soluble

Correct Answer: A

Explanation:

A rubber ball resists compression and is comparatively hard.

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Question (8)

QN0031335

A student mixes five materials separately in water. Salt – Disappears Sugar – Disappears Sand – Settles Sawdust – Floats Chalk powder – Does not dissolve How many of these materials are insoluble?

(A) 2
(B) 3
(C) 4
(D) 5

Correct Answer: B

Explanation:

Sand, sawdust and chalk powder are insoluble in water.

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Question (9)

QN0031336

Which statement correctly explains why different materials are used to make the handle and body of a frying pan?

(A) To make it colourful
(B) Different parts need different properties
(C) To reduce manufacturing cost only
(D) All materials behave the same

Correct Answer: B

Explanation:

The body should conduct heat while the handle should remain safe to hold.

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Question (10)

QN0031337

A bottle is labelled 750 mL. This number tells us the bottle's

(A) mass
(B) colour
(C) volume
(D) hardness

Correct Answer: C

Explanation:

Millilitre (mL) is the unit used to measure volume.

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Question (1)

Four students selected materials for making water containers. Rahul – Cotton cloth Neha – Glass Rohan – Paper Aditi – Sponge Whose selection is the most suitable?

Explanation:

Link:

Question (2)

A teacher gives four objects: P – Copper wire Q – Wooden block R – Aluminium foil S – Plastic spoon Which pair belongs to the same group based on lustre?

Explanation:

Link:

Question (3)

Three identical bottles contain equal volumes of water, sand and pebbles respectively. Which arrangement correctly shows their masses from highest to lowest?

Explanation:

Link:

Question (4)

A student wants to hide behind one of the following materials so that nobody can see through it. Which material should be chosen?

Explanation:

Link:

Question (5)

Which set contains only materials that dissolve completely in water?

Explanation:

Link:

Question (6)

A football, a cricket ball and a hand exercise ball are dropped from the same height. Which property mainly decides how high they bounce?

Explanation:

Link:

Question (7)

Observe the following sequence. Brick → Hard Pillow → Soft Iron rod → Hard Rubber ball → ? Choose the correct property.

Explanation:

Link:

Question (8)

A student mixes five materials separately in water. Salt – Disappears Sugar – Disappears Sand – Settles Sawdust – Floats Chalk powder – Does not dissolve How many of these materials are insoluble?

Explanation:

Link:

Question (9)

Which statement correctly explains why different materials are used to make the handle and body of a frying pan?

Explanation:

Link:

Question (10)

A bottle is labelled 750 mL. This number tells us the bottle's

Explanation:

Link:

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