Which of the following you will do to convert a liquid into a gas?
a) giving heat
b) removing heat
c) applying pressure
d) giving light
Which of the following you will do to convert a gas into a liquid?
a) decreasing pressure
b) giving light
c) removing heat
d) giving heat
Which of the following you will do to convert a liquid into a solid?
a) giving heat
b) removing heat
c) decreasing pressure
d) giving light
What happens to molecules/atoms of matter when they gain heat energy?
a) start moving faster
b) stop moving
c) slowly move
d) none of these
What happens to molecules/atoms of matter when they loss heat energy?
a) start moving faster
b) stop moving
c) their movement becomes slower
Solid melts because it i) ……….heat and an liquid evaporates because it ii)……..heat
a) i) absorbs ii) releases
b) i) releases ii) absorbs
c) i) absorbs ii) also absorbs
d) i) releases ii) also releases
