Thursday, May 25, 2017

CBSE Class 6 Science - CH4: Sorting Materials Into Groups (Worksheet) (#cbsenotes)

Sorting Materials Into Groups

CBSE Class 6 Science - CH4: Sorting Materials Into Groups (Worksheet) (#cbsenotes)

Worksheet


Q1: Identify the following items which are soluble or insoluble in water?

Salt
Kerosene Oil
Sand
Sugar
Chalk Powder
Lime Juice
Cooking Oil
Vinegar


Q2: Materials are classified on the basis of appearance, hardness, solubility, density and transparency. Write down properties for the following items:

Metals
Plastic
Wood
Glass





Q3: Fill in the blanks from the choices given along with.

________ materials allow light to pass through them. (Transparent / Translucent)

A substance which dissolves completely in water us cakked ________ substance. (soluble / insoluble)

A material having a higher density than water will _______. (float/ sink)

Materials which can be compressed or cut easily are _______. (soft/hard)

________ can be opaque or transparent. (Plastics / Metals).

Carbon Dioxide is _______ in water. (soluble/insoluble)

Rain coats and Umbrellas are made of water __________  materials. (absorbing / proof)


Q4:  State whether the following are true of false.

Orange juice is soluble in water.
Generally plastics are transparent.
CO₂ gas is soluble in water.
Iron is transparent.
Light cannot pass through translucent materials.


Q5: Name a liquid metal?

Q6: Name two miscible liquids.

Q7: Name two immiscible liquids.


Answers:
1:
Salt - Soluble
Kerosene Oil - Insoluble
Sand - Insoluble
Sugar - Soluble
Chalk Powder - Insoluble
Lime Juice - Soluble
Cooking Oil - Insoluble
Vinegar - Soluble



2:
Metals: Shiny, hard, insoluble, high density, opaque
Plastic: Dull appearance, hard and soft, insoluble, lower density, water
Wood: Dull, hard, insoluble, low density, opaque
Glass: Shiny, hard, insoluble, high density, transparent or translucent.



3:
Transparent
soluble
sink
soft
Plastics
soluble
proof


4:
True
False
True
False
False

5: Mercury

6: Alcohol and Water

7: Oil and Water

Play Game: Sort Fruits and Vegetables

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