This state of matter has has no visible shape and fills its container.
Transferring energy out of a substance makes the molecules move more ________.
What is slowly?
The molecules in a gas move __________ than the molecules in a liquid.
What is faster?
The effects of adding heat are reversible. (true or false)
What is true?
This phase change happened during the hot chocolate lab.
What are Evaporation and Condensation?
When molecules experience a change to their freedom of movement and the substance changes appearance.
What is a phase change?
Molecules can transfer energy to each other by ______________________________.
What is Hitting Each Other (Collision)?
The energy that an object has because it is moving.
What is kinetic energy
A substance's Energy always stays the same. (true or false)
What is false
Where did the energy go from the ice cream mixture to make it melt?
What is the ice in the big bag?
This phase of matter holds its shape and does not take the shape of its container.
What is a solid?
You can increase the energy of a substance by doing this to it.
What is heating it?
This is a measure of the average energy of the molecules in a substance.
What is temperature?
When heat is added to atoms, the molecules vibrate much more slowly. (true or false)
What is false?
Energy is transferred out of the ice faster on which black block?
What is the heavy black block made of metal?
This is the reason why a liquid can flow: because its molecules move _________ each other.
What is around?
The more energy a substance has, the greater freedom of ______________________ the molecules have.
What is movement?
As atoms vibrate faster, the space between them decreases. (true or false)
What is false?
When the line on the graph goes flat the heat energy goes______________________________.
Into separating the molecules from each other. So that the substance changes phase.