Question

TRINITY MATRIC.HR. SEC. SCHOOL
HALF YEARLY EXAMINATION - 2020
SCIENCE-1
***
9
CLASS: VIII - A&B
DATE:21.12.2020
MARKS: 40
TIME: 2 Hrs
I. Choose the correct answer:
5xl-5
1) The spherical mirror with a reflecting surface curved inward is called
a) convex mirror b) concave mirror c) curved mirror d) None of the above
2) Which of the following substances will absorb more heat energy?
a) Solid
b) Liquid
c) Gas
d) All the above
3) Which one the following systems of unit is the British System of unit?
a) CGS
b) MKS
c) FPS
d) SI
4) Which one of the following element name is not derived from planet?
a) Plutonium
b) Neptunium
c) Uranium d) Mercury
5) Limestone contains
mainly
a) calcium chloride b) calcium carbonate c) calcium nitrate d) calcium sulphate​

Answer 1

Answer:

Examples of pushing:

i) Pushing a heavy block to displace it from its original position.

ii) Pushing a trolley.

Examples of pulling:

i) Drawing a bucket of water from a well.

ii) Opening a drawer of a table.