28 questions
Which state of matter does this picture show?
Solid
Liquid
Gas
What state of matter does this picture show?
Solid
Liquid
Gas
Which state of matter does this picture show?
Solid
Liquid
Gas
As temperature increases, what happens to particles?
They gain kinetic energy
They lose kinetic energy
As temperature decreases, what happens to particles?
They speed up
They slow down
What is happening in this picture of ice melting?
Molecules are speeding up
Molecules are slowing down
What is happening in this picture of water boiling?
Molecules are gaining kinetic energy
Molecules are losing kinetic energy
In this diagram, "State of Matter B" is a liquid. This means that it has:
If the tops were removed from the cylinders, the following would happen:
The solid particles would spread out, leaving the container
The liquid particles would spread out, leaving the container.
The gas particles would spread out, leaving the container.
The molecules from ALL would spread out, leaving their containers.
The steam coming off the lakes surface is an example of....
Kinetic energy is
energy of because of motion
energy from heat
energy because of an objects position
wave energy
The TOTAL amount of kinetic energy of the molecules in a substance is known as __________. This takes into account the amount of matter as well as its temperature.
kinetic energy
thermal energy
potential energy
particle energy
Which of the following statements best describes the movement of particles in a liquid?
they do not move
they vibrate in place
they slide around each other
the fly around freely
In which state of matter would the molecules be farthest apart?
a solid
a cold liquid
a warm liquid
a gas
Sprinkling salt on an icy sidewalk helps to melt the ice because...
it lowers the temperature at which water will freeze/melt.
it raises the temperature at which water will freeze/melt
it becomes less slippery
it heats up the ice
When you increase the pressure on a liquid, such as heating it in a pressure cooker (Instapot) it...
turns into a gas
will boil faster
lowers the boiling point so water boils at a cooler temperature
raises the boiling point so water needs to be hotter before it will boil
When frost forms on a window on a cold morning directly from water vapor it is called...
sublimation
deposition
condensation
vaporization
The AVERAGE amount of kinetic energy in the molecules of a sample is called
heat
thermal energy
temperature
kinetic energy
The movement of thermal energy from a hotter object to a cooler one is called...
heat
thermal energy
temperature
kinetic energy