10 Questions
What happens when a substance evaporates?
It changes from a liquid to a gas.
What is the process called when a substance changes from a gas to a liquid?
Condensation
What happens to the atoms or molecules when thermal energy is added to a liquid?
They move faster and farther apart.
What is sublimation?
The process of a solid changing directly to a gas.
What is deposition?
The process of a gas changing directly to a solid.
What happens to the atoms or molecules when thermal energy is removed from a gas?
They move slower and become more dense.
At what temperature does water freeze?
32°F or 0°C
What is the boiling point of water?
212°F or 100°C
What is an example of sublimation?
Dry ice turning directly into carbon dioxide gas.
What is an example of deposition?
Frost forming on a cold surface.
Explore how matter changes its state and understand the concept of atoms combining to form molecules. Learn about the physical and chemical properties of matter and how they can be altered through chemical changes.
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