kinetic and potential energy

Flashcard
•
Science
•
8th Grade
•
Hard
+2
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy an object possesses due to its motion. It is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
2.
FLASHCARD QUESTION
Front
What is potential energy?
Back
Potential energy is the energy stored in an object due to its position or state. It is often associated with the height of an object above the ground and is calculated using the formula PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.
Tags
NGSS.MS-PS3-2
3.
FLASHCARD QUESTION
Front
How do you calculate kinetic energy?
Back
Kinetic energy (KE) is calculated using the formula KE = 1/2 mv², where m is the mass of the object and v is its velocity.
Tags
NGSS.MS-PS3-1
4.
FLASHCARD QUESTION
Front
How do you calculate potential energy?
Back
Potential energy (PE) is calculated using the formula PE = mgh, where m is the mass of the object, g is the acceleration due to gravity (approximately 9.81 m/s²), and h is the height above the ground.
Tags
NGSS.MS-PS3-2
5.
FLASHCARD QUESTION
Front
What factors affect potential energy?
Back
Potential energy depends on two main factors: mass and height. The greater the mass or the higher the object is positioned, the more potential energy it has.
Tags
NGSS.MS-PS3-2
6.
FLASHCARD QUESTION
Front
What is the relationship between kinetic energy and speed?
Back
Kinetic energy is directly related to the square of the speed of an object. If the speed doubles, the kinetic energy increases by a factor of four.
Tags
NGSS.MS-PS3-1
7.
FLASHCARD QUESTION
Front
At what point is kinetic energy greatest in a falling object?
Back
Kinetic energy is greatest just before the object hits the ground, as it has converted most of its potential energy into kinetic energy.
Tags
NGSS.MS-PS2-2
NGSS.MS-PS3-5
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