Podcast
Questions and Answers
What characteristic of liquids distinguishes them from solids and gases?
What characteristic of liquids distinguishes them from solids and gases?
- They expand to fill any space.
- They can flow. (correct)
- They are easily compressed.
- They have a fixed shape.
Which state of matter is almost impossible to compress?
Which state of matter is almost impossible to compress?
- Plasma
- Liquid
- Solid (correct)
- Gas
What is the process of turning a liquid into a gas called?
What is the process of turning a liquid into a gas called?
- Evaporation (correct)
- Melting
- Freezing
- Condensation
At what temperature does water boil according to the text?
At what temperature does water boil according to the text?
Which type of change involves changes between states and is reversible according to the text?
Which type of change involves changes between states and is reversible according to the text?
What happens when a gas turns into a liquid?
What happens when a gas turns into a liquid?
What happens to the particles in a substance when they get closer together due to a temperature change?
What happens to the particles in a substance when they get closer together due to a temperature change?
In dissolving sugar in water, what is the role of water?
In dissolving sugar in water, what is the role of water?
Which type of changes are generally reversible, although some situations can make them irreversible?
Which type of changes are generally reversible, although some situations can make them irreversible?
What indicates the creation of a new substance according to the text?
What indicates the creation of a new substance according to the text?
Why are chemical changes always considered irreversible?
Why are chemical changes always considered irreversible?
What determines the speed at which sugar dissolves in water?
What determines the speed at which sugar dissolves in water?
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