Phase Change 1
What is the name of the process when a solid turns into a liquid?
Answer: Melting
What is the name for the process when a liquid turns into a gas?
Answer: Evaporation
What is the process of a gas turning into a liquid?
Answer: Condensation
What is the name for the change from a liquid to a solid?
Answer: Freezing
Which phase change involves the release of heat energy?
Freezing
Give example of Evaporation phase
Answer will vary.
Give example of the Melting Phase
Answer will vary.
Give example of Freezing phase?
Answers will vary.
Give example of Condensation phase.
Answer will vary.
Give an example of a substance that can exist in all three states of matter at room temperature.
Water
The way molecules in a substance move around relative to each other
Freedom of Movement
A pull between two molecules that is always the same for a substance
Molecular Attraction
A group of atoms joined together in a particular way
Molecule
A noticeably different form or state of the same substance
Phase
What happens to particles in a substance when it changes from a gas to a liquid?
They slow down and come closer together
Name 3 states of matter
Solid, Liquid and Gases
The relative size of things
Scale
A measure of how hot or cold something is
Temperature
The energy that an object has because it is moving
Kinetic Energy
In which state of matter do particles have the most energy and move the fastest?
Gas
What happens to a puddle of water on a sunny day? Does it disappear or get bigger?
It gets smaller or disappears because it evaporates in the sun.
To provide evidence that goes against a claim
Refute
A state of matter that has a definite shape
Solid
A state of matter that has no definite shape but has a definite volume.
Liquid
A state of matter with no definite shape or volume
Gas