What is a pure substance?
Q1 Final Review

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•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A pure substance is a material that has a constant composition and consistent properties throughout. Examples include elements like gold and compounds like water.
2.
FLASHCARD QUESTION
Front
What happens to kinetic and potential energy as a roller coaster travels from a high point to a low point?
Back
Kinetic energy decreases while potential energy increases as the roller coaster moves from position X to position Y.
3.
FLASHCARD QUESTION
Front
What is gravitational potential energy?
Back
Gravitational potential energy is the energy an object possesses due to its position in a gravitational field, typically related to its height above the ground.
4.
FLASHCARD QUESTION
Front
What is potential energy?
Back
Potential energy is the energy stored in an object due to its position or arrangement. It can be converted into kinetic energy.
5.
FLASHCARD QUESTION
Front
How can you determine the kinetic energy of an object?
Back
You can determine the kinetic energy of an object by finding its mass and speed using the formula KE = 1/2 mv².
6.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy of an object in motion, which depends on its mass and speed.
7.
FLASHCARD QUESTION
Front
What is the formula for calculating kinetic energy?
Back
The formula for calculating kinetic energy is KE = 1/2 mv², where m is mass and v is velocity.
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