Unit 3: Energy Final Exam
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Green plants convert light energy from the sun into _____ during photosynthesis.
Back
chemical potential energy
2.
FLASHCARD QUESTION
Front
Heat energy will normally flow from a region of _____ temperature to a region of _____ temperature.
Back
higher; lower
3.
FLASHCARD QUESTION
Front
What is thermal energy transfer by convection?
Back
The transfer of heat through the movement of fluids (liquids or gases) due to differences in temperature.
4.
FLASHCARD QUESTION
Front
A material that resists/limits the flow of heat by conduction, convection, and radiation is a(n) ____.
Back
insulator
5.
FLASHCARD QUESTION
Front
The kinetic energy of an object increases as its __________ increases.
Back
speed
6.
FLASHCARD QUESTION
Front
What is the formula for kinetic energy?
Back
KE = 1/2 mv² (where m is mass and v is velocity)
7.
FLASHCARD QUESTION
Front
What is potential energy?
Back
The energy stored in an object due to its position or arrangement.
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