WorksheetsPhase Changes
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
The Law of Conservation of Energy states that energy cannot be created or
(a)
2.
Thermal energy is energy in the form of...
a)
heat
b)
electricity
c)
power
d)
solar power
3.
Liquid turning into a gas is known as...
a)
condensation
b)
vaporization
c)
sublimation
4.
On a phase change curve, time is on the x-axis and __________ is on the y-axis.
a)
temperature
b)
energy
c)
phase
5.
When you heat up a block of ice it goes from -10C to 0C. As it melts from ice into a puddle, its temperature...
a)
increases
b)
decreases
c)
stays the same
6.
Air conditions work by...
a)
taking heat out of a substance
b)
putting cold energy into a substance
7.
Point B is the...
a)
boiling point
b)
melting point
c)
freezing point
100 %
