Class 6 Science Chapter 2 Question Answers - Sorting Materials into Groups

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Very Short Question Answers:

Q1: Metals have lustre. (TRUE/FALSE)

TRUE

Examples of lustrous metals

Q2: Give two examples of objects made up of metals.

Lock and steel glass.

Q3: Wood and copper both show lustre. (TRUE/FALSE)

FALSE

Q4: Write any two properties of a material.

Hardness and soluble or insoluble.

Q5: What are soft materials?

Soft materials are those which can be compressed or scratched easily.

Q6: Give two examples of soft material.

Cotton and sponge.

Q7: Give two examples of hard material.

Iron and wood.

Q8: Materials can have different properties such as ______________ and ______________.

Lustre and hardness

Q9: A piece of stone is ______________ material. (hard /soft )

Hard

Q10: What type of substances are said to be soluble in water?

Substances that completely disappear or dissolve in water are said to be soluble in water.

Q11: Salt is soluble in water, while sand is not. (TRUE/FALSE)

TRUE

Q12: Gases can also dissolve in water. (TRUE/FALSE )

TRUE

Q13: Name any gas which can be dissolved in water.

Oxygen

Q14: All gases are soluble in water. (TRUE/FALSE)

FALSE

Q15: Dried leaf ______________ on the surface of water. (FLOAT/SINK)

Float

Q16: Blood is ______________. (transparent/opaque)

Ans: Opaque

Q17: Write the name of two objects that can float in water.

Leaf and paper

Q18: Stone will ______________ in water.

Sink

Q19: Chocolates, toys and other items are displayed in a shop in see-through containers that are made of glass or plastic. This explains the property of ____ of glass and plastic.

Transparency

Q20: Those materials through which things can be seen are called ______________.

Transparent

Q21: Materials that cannot be compressed are called ______________ materials.

Hard

Q22: Give two examples of opaque material.

Wooden box and metal container.

Q23: Glass is transparent, and stone is opaque. (TRUE/FALSE)

TRUE

Q24: The material through which objects can be seen but not clearly are known as ______________.

Translucent.

Q25: Wood is transparent. (TRUE/FALSE)

FALSE

Q26: Sugar is soluble in water. (TRUE/FALSE)

TRUE

Q27: Oily patch on paper is______________. ( translucent/transparent)

Translucent

Q28: Sand dissolves in water. (TRUE/FALSE)

FALSE

Q29: What kind of material is said to be opaque?

The materials through which we are not able to see are called opaque.

Q30: Name two materials which sink in water.

Stone and coin

Q31: Water is a ______________ liquid. (transparent/translucent )

Transparent

Q32: Oil is insoluble in water. (TRUE/FALSE)

TRUE

Q33: Which of the following is non eatable item: 
 Orange, mango, salt, basket ball, tomato

Basket ball

Q34: Find the odd one out:

Iron, Gold, Water, Silver

Water is odd one, as rest all are metals

Q35: Which among the following are transparent: 
 Iron, Water, glass, wood

Water, glass

Q36: Air is transparent. (TRUE/FALSE)

Ans : TRUE

Q37: Eraser has lustre. (TRUE/FALSE)

FALSE