-1 State whether the contact force or non–contact force is responsible in the following
incidents.
05
1) Reshma pushes the table to change its position.
2) Nimisha rubs two balloons with a paper. While moving one balloon closer to
the other balloon, the other balloon gets away from the first balloon.
3) Anil puts one magnet on the surface of the glass and slowly moves the other
magnet closer to the magnet placed on the surface of glass. The magnet placed
on the surface of the glass moves backwards.
4) Nayana lifts a bucket full of water.
5) A rubber ball falls off the table.
L.O. Carries out simple checks to get answers to the questions.
Q-2 Do as directed.
1) Why are we able to hear with our ears? 02
2) Which tricks do you use to reduce pressure in everyday activities? 03
L.O. Links process and events to causes.
Q-3 Give scientific reasons.
1) We should not take junk food or packed food as a regular meal. 03
2) Trees should be planted on both sides of the road. 02
L.O. Explains processes and events.
Q-4 Answer the following questions.
1) A truck that is stopped on the road has to be pushed hard to get into motion.
When the truck is moving a little, it can be moved faster with a smaller /less
push. Why?
02
2) The shape of an aeroplane is not kept the same as the shape of the bus. Why? 03
L.O. Applies learnt scientific concepts in everyday life.
Q-5 Answer the following questions.
1) As a football player, you would choose to wear a flat bottom shoes or shoes
with nails to play on the fields. Why?
03
2) Should girls cook during menstrual days or not? Why? 02
Answers
Answered by
3
Answer:
C is your answer 8 Mark me brainlist
Answered by
2
Answer:
que no 1
1. Contact force
2. non contact force
3. non contact force
4. Contact force
5. non contact force
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