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WorksheetsUNIT TEST REVIEW
Total questions: 23
Worksheet time: 1hrs 17mins
Light travels through an object during
absorption
reflection
transmission
diffraction
What is a conductor?
a material that heat moves through easily
a material that heat does not move through easily
a material that turns cold when heated
a tool for measuring temperature
Stir frying vegetables is an example of
Convection
Conduction
Radiation
Hot water rises and cold water sinks. Is this:
Convection
Conduction
Radiation
When heat energy moves in a liquids or gases it is called...
Conduction
Convection
Radiation
What is the effect of cooling on the size of an object?
The size of the object remains the same.
The size of the object becomes larger.
The size of the object decreases.
The size of the object increases.
What is thermal contraction?
The process of converting thermal energy into mechanical energy.
The tendency of matter to change in shape, area, and volume in response to a decrease in temperature.
The process of converting mechanical energy into thermal energy.
The tendency of matter to change in shape, area, and volume in response to a change in pressure.
What happens to metal when exposed to cold temperatures?
It expands
It contracts
It melts
It evaporates
Why does thermal expansion occur?
Thermal expansion occurs due to the decrease in energy of particles when heated.
Thermal expansion occurs due to the increase in energy of particles when heated.
Thermal expansion occurs due to the change in the state of matter when heated.
Thermal expansion occurs due to the decrease in temperature when heated.
What happens to particles during thermal expansion?
Particles lose energy and move more slowly
Particles gain energy and move faster
Particles lose energy and move faster
Particles gain energy and move more slowly
