NEW
Font size
Worksheetsmolecule movement
Total questions: 15
Worksheet time: 10mins
Which of the following is a correct description for solids?
closely arranged and in fixed positions
closely arranged and vibrate in fixed positions
closely arranged and can move around
Which statement about the molecules in the gas carbon dioxide is correct?
The molecules are close together.
The molecules are diatomic.
The molecules move randomly.
The molecules all move with the same speed.
When something goes from gas to liquid, it is called...
Evaporation
Condensation
Deposition
Freezing
What happens when you apply thermal energy (heat up something)?
The molecules move faster
The molecules slow down
The molecules stop moving
What is temperature?
It is a measurement that tells us how fast atoms or molecules are movement
It is a measurement of how bad something burns your hand when you touch it
It is a measurement of how large the radius explosion of a substance is.
When you mix two substances together, and one is warmer than the other, what will be the outcome (result)?
The faster molecules of the hotter substance will collide with the slower molecules from the colder substance, And eventually, they will reach the same temperature (speed)
They will not mix, since a hot substance and a cold substance will not interact, due to the fact that the colder molecules are not moving
Do molecules ever STOP moving entirely?
No, Molecules never stop moving
Yes, as soon as they turn solid!
Hot things have ____________ thermal energy than cold things
more
less
same
potato
All matter is made up of atoms that are constantly moving
True
False
As temperature increases, molecules _____________
move slower
move the same
move faster
stop moving
When you mix two substances together, and one is warmer than the other, what will be the outcome (result)?
The faster molecules of the hotter substance will collide with the slower molecules from the colder substance, And eventually, they will reach the same temperature (speed)
They will not mix, since a hot substance and a cold substance will not interact, due to the fact that the colder molecules are not moving
Thermal energy comes from ________________.
how hot something is
the movement of molecules
the flow of electrons
If the molecules in an object move faster, the object becomes _______.
bigger
colder
hotter
The different temperatures of objects cause heat to travel from _____________________.
a hotter object to a cooler object.
a cooler object to a hotter object.
