What is conduction?
Intro to Ecology Practice Questions

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Conduction is the process by which heat is transferred through a material without the movement of the material itself, typically occurring in solids.
2.
FLASHCARD QUESTION
Front
Why do metals feel colder than plastics at the same temperature?
Back
Metals conduct heat away from your hand faster than plastics.
3.
FLASHCARD QUESTION
Front
What happens to water molecules as they freeze?
Back
They move slower and form a fixed arrangement.
4.
FLASHCARD QUESTION
Front
What occurs to gas molecules when they are heated?
Back
They move faster and spread further apart.
5.
FLASHCARD QUESTION
Front
What is the behavior of molecules in a solid?
Back
Molecules in a solid vibrate in fixed positions and are closely packed together.
6.
FLASHCARD QUESTION
Front
What happens to the volume of water when it freezes?
Back
Water expands when it freezes, which is why ice floats.
7.
FLASHCARD QUESTION
Front
What is thermal expansion?
Back
Thermal expansion is the increase in volume of a substance as its temperature rises.
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