CBSE Class 6 Science Magnetism and Water Assignment

I. Choose the correct answers.

1) Magnet has two poles, one of them is:
a) North
b) West
c) East
d) None of these

2) The magnetic properties are stronger in:
a) North pole (N)
b) Middle part
c) South pole (S)
d) Both at N & S poles

3) The two ends of the magnet are called:
a) Ends
b) Natural magnet
c) Magnetic compass
d) Poles

4) A magnet attracts:
a) Pieces of paper
b) Paper clips
c) Plastic
d) Cloth

5) Magnets can become weak due to:
a) Heating
b) Hammering
c) Dropping from height
d) all of these

6) Unlike poles of two magnets:
a) Always repel each other
b) Sometime attracts & sometimes repel
b) Always attract each other
d) No effect

7) The forms of precipitation are:
a) Rain
b) Snow
c) Hail
d) All of these

8) The taste of ocean water is always:
a) Sweet
b) Saline
c) Tasteless
d) Bitter

9) Making use of rainwater is known as:
a) Flood
b) Drought
c) Rainwater harvesting
d) Waterlogging

II. Fill in the blanks.

1) Alnico is an alloy of ____________ , ______________ & __________.

2) Like poles of magnets _______ .

3) Unlike poles of magnets ________ .

4) The level of the ground water is called as the __________.

5) A change in state from gaseous to liquid is called ___________.

6) Water exists in _______ states.

7) Water covers __________ of the earth’s surface.

8) Water helps to __________ the temperature of the body.

III. State true or false.

1) Plastic is attracted by the magnet.

2) Each magnet has only one pole.

3) The earth behaves like a huge bar magnet.

4) Lodestone is a natural magnet.

5) Pits are dug in low – lying areas to collect rainwater.

6) The hotter the liquid, the faster is the evaporation.

7) The evaporation of the sweat helps to bring down the temperature our body.

8) Water is a compound of hydrogen & carbon.

9) The removal of the upper layer of soil is called erosion of soil.

IV. Match the following.

               A                                         B

1) magnetic compass            a) precipitation

2) rainwater harvesting         b) circulation of water

3) rain                                    c) conserving water

4) water cycle                        d) Gives the directon

V. Define the following.

a) Magnetic substances b) Transpiration c) Evaporation d) Condensation

e) Water cycle f) Precipitation g) Water table h) Flood

i) Drought j) Rainwater harvesting k) Erosion of soil

VI. Draw diagrams:

1) Magnetic compass 2) Water cycle