Phase Changes of Matter
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an exothermic reaction?
Back
A reaction that releases heat to its surroundings.
2.
FLASHCARD QUESTION
Front
What is an endothermic reaction?
Back
A reaction that absorbs heat from its surroundings.
3.
FLASHCARD QUESTION
Front
What is heat?
Back
The transfer of thermal energy from a warmer object to a cooler one.
4.
FLASHCARD QUESTION
Front
What is thermal energy?
Back
The total kinetic energy of particles in a substance.
5.
FLASHCARD QUESTION
Front
What is temperature?
Back
A measure of the average kinetic energy of particles in a substance.
6.
FLASHCARD QUESTION
Front
What happens during evaporation?
Back
A liquid changes into a gas.
7.
FLASHCARD QUESTION
Front
What is condensation?
Back
The process where a gas changes into a liquid.
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