1.a) Match the column :
|
Column A |
Column B |
|
Igneous Rock |
Lime Stone |
|
Sedimentary Rock |
Granite |
|
Metamorphic Rock |
Slate |
b) Name two fossil fuels .
2. Fill up the gaps with the following words :
( breath , gram , 100, second )
a) Area = Length x -------------.
b) Unit of mass is --------------.
c) Unit of time -----------.
d) 1 km = ----------------dam
3.a) Identify the work as pull or push
i) Withdrawing water from well
ii) Opening the Zip of a bag
b) Name one force which is acting without touch .
4. i) Fill up the blank spaces :
a) Pressure = --------/ Area
b) SI unit of pressure is -----------------------
c) The pressure of a fluid depends on ----------.
ii) State True or False
a) When we blow heavily between two pages , the pressure of moving air decreases .
b) Fluid means only gaseous substance .
Answer :
1. a) Igneous rock → Granite , Sedimentary Rock → Lime Stone , Metamorphic Rock → Slate
b) Petrolium , coal 2. a) breath b) gram c) second d) 100
3. a) i) pull ii) pull/ push b) gravitational force
4. i) a) Force b) Newton/metre² c) depth ii) a) True b) False
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