Amplify Magnetic Fields Pre-Assessment
Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is potential energy?
Back
Potential energy is the energy stored in an object due to its position or configuration. It can be converted into kinetic energy when the object moves.
2.
FLASHCARD QUESTION
Front
How does moving a magnet affect potential energy?
Back
Moving a magnet closer to another magnet that cannot move increases the potential energy of the system if it moves against the magnetic force.
3.
FLASHCARD QUESTION
Front
What happens to kinetic energy when speed decreases?
Back
When speed decreases, kinetic energy also decreases, as kinetic energy is directly related to the speed of an object.
4.
FLASHCARD QUESTION
Front
What is the relationship between magnetic force and movement of magnets?
Back
Magnetic force can either attract or repel magnets, affecting their movement based on their relative positions.
5.
FLASHCARD QUESTION
Front
What occurs when two magnets are brought close together?
Back
Depending on their orientation, they may either attract each other (if opposite poles are near) or repel each other (if like poles are near).
6.
FLASHCARD QUESTION
Front
What is the formula for kinetic energy?
Back
Kinetic energy (KE) is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.
7.
FLASHCARD QUESTION
Front
What is the effect of distance on potential energy in a magnetic field?
Back
As the distance between two magnets increases, the potential energy in the magnetic field decreases.
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