WorksheetsUnit 2: Thermal Expansion
Total questions: 20
Worksheet time: 17mins
The liquid in a thermometer (a) as the temperature increases.
Many objects, such as train tracks and road joints, are specifically designed to allow extra space for (a)
The picture shows a bimetallic strip in a fire alarm. When there is a fire outbreak, the bimetallic strip will get hot, ....
bend downwards, complete the circuit and the alarm rings.
bend upwards, open the circuit and the alarm will not ring.
becomes longer, open the circuit and the alarm will not ring.
What is Thermal Contraction
The movement of particles.
A decrease in a materials volume when its temperature decreases
The movement of fluids in a cycle because of convection
A material through which thermal energy does not flow easily.
What would happen to the pressure of a gas which is heated at constant volume?
Its pressure would remain same
Its pressure would increase
Its pressure would decrease
Assuming that the thermal energy supplied to each of them is same, which of following states of matter would expand the least? (a)
(a) is a measure of the average kinetic energy of the particles in a material.
The most common temperature scale used in the world where water freezes at 0 degrees and boils at 100 degrees is called the (a) scale.
No more energy can be removed from matter at
its freezing point
0°C
absolute zero
273 K
The total energy of all the particles in a substance is called
temperature
thermal energy
degrees
mass
Heat is transferred from one particle of matter to another without the actual movement of matter in a process called (a)
A material that does NOT conduct heat well is called a(n)
insulator
conductor
metal
radiator
Heated air moves from baseboard heaters to the rest of a room in a process called
conduction
convection
radiation
insulation
As thermal energy increases, kinetic energy...
Increases
Decreases
Remains the same
Materials such as metal and wire are good (a) because heat can easily transfer through them
