What is kinetic energy?
Part 1: Final Exam Review Fall 2024 8th Grade Science

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Kinetic energy is the energy an object possesses due to its motion. It depends on the mass of the object and the square of its velocity.
2.
FLASHCARD QUESTION
Front
What is potential energy?
Back
Potential energy is the stored energy in an object due to its position or state. For example, a raised object has gravitational potential energy.
3.
FLASHCARD QUESTION
Front
What is the unit of mass?
Back
The unit of mass is the gram (g).
4.
FLASHCARD QUESTION
Front
What are magnetic field lines?
Back
Magnetic field lines are invisible lines that represent the direction and strength of a magnetic field. They can be visualized using iron filings.
5.
FLASHCARD QUESTION
Front
What is the relationship between force and mass?
Back
According to Newton's second law, the force required to move an object is directly proportional to its mass. More mass requires more force.
6.
FLASHCARD QUESTION
Front
What is the difference between an empty bucket and a full bucket in terms of force required to move them?
Back
An empty bucket requires less force to move than a bucket full of sand because the full bucket has more mass.
7.
FLASHCARD QUESTION
Front
What is the formula for kinetic energy?
Back
The formula for kinetic energy (KE) is KE = 1/2 mv², where m is mass and v is velocity.
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