Sorting Materials into Groups Test

Result

Sorting Materials into Groups Test - 6

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Weekly Quiz Competition

Question 1
1 / -0

Find the odd man out in terms of material it is made of:

A
Rubber

B
Gold

C
Coal

D
Chalk

Solution

Coal, chalk, and rubber all are non-metals but gold is metal with luster and is the good conductor of heat and electricity whereas non-metals are bad conductors of heat and electricity.
Question 2
1 / -0

Transparent substances:

A
absorb all the light incident on them.

B
allow light to pass through them.

C
do not allow light to pass through them.

D
allow light to pass through them only partially.

Solution

Transparent substances allow the light to pass through them. Due to this, it is possible to see through transparent substances.
Example: We are able to see through some glasses because they are transparent.
Question 3
1 / -0

Which of the following has dull appearance?

A
Gold foil

B
Aluminium foil

C
Steel rod

D
Bricks

Solution

The appearance of an object depends on its color, hardness, texture, and luster of its material. Materials that are made up of non-metals have a dull appearance.
eg; bricks.
Question 4
1 / -0

Select the group of objects which can be formed by wood.

A
Chair, sofa, car

B
Computer, mobile, pen-holder

C
Books, bookshelf, table

D
Bullock cart, door, boat

Solution

A bullock cart, door, and boat all can be formed by wood. A bullock cart is used to transport goods from one place to another in villages is made of wood only. Doors can be made of wood, glass, or metals, and small boats are also made of wood preferentially.

Hence, option $$D$$ is correct.
Question 5
1 / -0

Which of the following objects are correctly matched with its material?

A
Quilt, bed-sheet, cloth - cotton

B
Utensils, frames, furniture - wood

C
Crockery, vase, decorative articles - clay

D
Jewellery, ornaments, jewellery box - gems

Solution

Quilt, bedsheets, and clothes all are made from cotton. Utensils, frames, and furniture are made from metals. Crockery, vase, and decorative articles are made from glass and jewelry, ornaments and jewelry box are made of metals like gold or silver in which gems are used to decorate them.
Question 6
1 / -0

Identify the material of cloths.

A
Fiber

B
Plastic

C
Iron

D
All of these

Solution

Clothes are made of fibres. Fibres can be obtained from different sources such as plants, animals, insects, chemicals, etc.

Examples of Plant fibre- Cotton, jute, flax, cantala, etc.

Examples of Animal fibre- Wool, alpaca fibre, silk, etc.
Question 7
1 / -0

Milk and water:

A
mix with each other and so, they are immiscible liquids

B
do not mix with each other and so, they are miscible liquids

C
mix with each other and so, they are miscible liquids

D
none of the above

Solution

Liquids which completely mix with each other to form a homogenous mixture are called miscible liquids. Milk and water are miscible liquids. So, option C is correct.
Question 8
1 / -0

Which of the following sinks in water?

A
Wooden block

B
Piece of wax

C
Glass marble

D
Plastic ball

Solution

Since wood is less dense than water, wood-block floats in water, no matter how big or small the piece of wood is.
In water, the piece of wax floats because it is less dense than the water.
Glass marble is denser than water so it can sink.
A plastic ball is less dense than water so it can float on the water surface.
Hence, option C is correct.
Question 9
1 / -0

Which of the following object(s) are made from leather?

A
Wallet

B
Jacket

C
Belt

D
All of the above

Solution

The objects that are made from leather are a wallet, jacket, belt, purse, office bag, etc.
Question 10
1 / -0

Pick one material which is completely soluble in water:

A
oil

B
sawdust

C
mud

D
alum

Solution

Alum is a hydrated double salt sometimes used as a water purifier is completely soluble in water.

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Re-Attempt Weekly Quiz Competition

Sorting Materials into Groups Test - 6

Result

Sorting Materials into Groups Test - 6

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SHARING IS CARING

Question 1

Rubber

Gold

Coal

Chalk

Solution

Question 2

absorb all the light incident on them.

allow light to pass through them.

do not allow light to pass through them.

allow light to pass through them only partially.

Solution

Question 3

Gold foil

Aluminium foil

Steel rod

Bricks

Solution

Question 4

Chair, sofa, car

Computer, mobile, pen-holder

Books, bookshelf, table

Bullock cart, door, boat

Solution

Question 5

Quilt, bed-sheet, cloth - cotton

Utensils, frames, furniture - wood

Crockery, vase, decorative articles - clay

Jewellery, ornaments, jewellery box - gems

Solution

Question 6

Fiber

Plastic

Iron

All of these

Solution

Question 7

mix with each other and so, they are immiscible liquids

do not mix with each other and so, they are miscible liquids

mix with each other and so, they are miscible liquids

none of the above

Solution

Question 8

Wooden block

Piece of wax

Glass marble

Plastic ball

Solution

Question 9

Wallet

Jacket

Belt

All of the above

Solution

Question 10

oil

sawdust

mud

alum

Solution

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