What do fixed and definite mean when talking about shape and volume?
It means the shape and volume do not change.
100
What is the best definition of a liquid?
A liquid has a definite volume, but NOT a definite shape.
100
What is the best definition of a gas?
A gas does not have a definite shape, or a definite volume.
100
The process of changing a gas into a liquid is called condensation. What must happen for condensation to occur?
Temperature must decrease
200
In which state of matter does an object have a definite shape and volume?
Solid State
200
What is the best definition of a solid?
Solids have a definite shape and volume
200
What is required for a liquid to turn into a gas? What is this process called?
An increase in temperature. This process is called evaporation.
200
Another word for gas we learned is ...
water vapor
200
The process of a liquid changing into a gas is called evaporation. What must happen for evaporation to occur?
The temperature must increase.
300
When a rock is placed in a graduated cylinder containing water, what will happen to the height of the water?
The water level will rise.
300
A block of wood is a solid because...
it has a fixed shape and a fixed volume.
300
What must happen for a liquid to turn into a solid?
The temperature must increase.
300
When water vapor condenses, its state of matter changes from ...
a gas to a liquid.
300
The process of a gas changing into a liquid is called...
Condensation
400
What causes matter to change from one state to another state?
Temperature
400
What tool is used to measure the mass of an object?
Pan-Balance
400
When we pour liquid from a tall skinny glass into a short wide glass, what property of the liquid will change?
The shape. Liquids take on the shape of the container they are in.
400
Boiling water into water vapor is an example of...
evaporation.
400
What happens to the state of ice when the temperature of the ice is increased to above the freezing point?
The ice will melt into a liquid.
500
What kind of change happens when a liquid substance changes to a solid substance? For example, what changes occur when water becomes an ice cube?
Physical Change
Change in Texture
State Change
500
What would we have to do to change a solid ice cube into liquid? What is this process called?
We would have to increase the temperature. This is called melting.
500
Which tools can be used to measure the volume of liquid?
Beaker, Graduated Cylinder
500
What must happen for a gas to condense into a liquid?
The temperature must decrease.
500
Mr. Andreycak measured the volume of soup before heating it. After boiling the soup for about 20 minutes Mr. A measured the volume of the soup again. What most likely happened to the volume of the soup?
The volume of the soup decreased because some of the liquid evaporated into gas.