What is the kinetic molecular theory?
van Bergen - Trimester 1 Final Test

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Science
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8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The kinetic molecular theory explains how particles in matter behave, stating that matter is made up of tiny particles that are in constant motion. The energy of these particles is related to their temperature.
2.
FLASHCARD QUESTION
Front
Which point in a system has the greatest kinetic energy?
Back
The point with the greatest kinetic energy is typically the point of maximum speed or movement, often represented as point C in a given scenario.
3.
FLASHCARD QUESTION
Front
How do you calculate the density of a gas?
Back
Density is calculated by dividing the mass of the gas by its volume (Density = Mass/Volume).
4.
FLASHCARD QUESTION
Front
At which point in a pendulum is the potential energy the highest?
Back
The potential energy is highest at the highest point of the swing.
5.
FLASHCARD QUESTION
Front
What is mechanical advantage in the context of levers?
Back
Mechanical advantage is the ratio of the output force to the input force in a lever system, indicating how much a lever amplifies force.
6.
FLASHCARD QUESTION
Front
If the input arm of a lever is 4 meters and the output arm is 1 meter, what is the mechanical advantage?
Back
The mechanical advantage is 4 (Mechanical Advantage = Input Arm/Output Arm).
7.
FLASHCARD QUESTION
Front
What is thermal expansion?
Back
Thermal expansion is the increase in volume of a substance as its temperature rises, due to the increased motion of its particles.
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