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WorksheetsChemistry: Expansion & Contraction
Total questions: 14
Worksheet time: 1hrs 10mins
As particles are exposed to warmer temperatures they __________
speed up & have more kinetic energy
slow down & have less kinetic energy
stay the same
vibrate at fixed positions
Number 2 represents a ________
solid
liquid
gas
When temperature decreases, distance between molecules ____________.
increases
decreases
stays the same
Thermal expansion occurs when particles of matter move farther apart as temperature increase.
True
False
Kinetic energy is what type of energy?
chemical
electric
motion
sound
The faster the particles move, the less kinetic energy there is.
True
False
Objects lose heat and _________.
Why does the level of alcohol in a thermometer change as temperature changes?
expansion due to warmer temperatures and increases kinetic energy
contraction due to colder temperatures and decreased kinetic energy
Expansion joints on a train track allow for the steal not to buckle when temperatures change
REVIEW: What is the temperature of 25 degrees Celcius in Kelvin?
298
300
273
77
