Kinetic and Potential Energy

Kinetic and Potential Energy

Assessment

Flashcard

Science

6th - 8th Grade

Hard

Created by

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10 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Lebron is holding a basketball in his hands. This shows...

Back

Potential energy

Answer explanation

LeBron holding a basketball indicates it is at rest and has the potential to move. This stored energy due to its position is known as potential energy, making it the correct choice.

2.

FLASHCARD QUESTION

Front

Is the statement "Energy cannot be created or destroyed, only converted from one form to another" correct?

Back

true

Answer explanation

Noah is correct. The principle of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. This is a fundamental concept in physics.

3.

FLASHCARD QUESTION

Front

What kind of energy is in a rock at the edge of a cliff?

Back

Potential

Answer explanation

The rock at the edge of a cliff has potential energy due to its height above the ground. This energy is stored and can be converted to kinetic energy if the rock falls.

4.

FLASHCARD QUESTION

Front

When Luna swings on a swing, at which point is potential energy at its greatest?

Back

At the highest point of the swing.

Answer explanation

Luna's potential energy is greatest at the highest point of the swing, which is position 1. At this point, she has maximum height and therefore maximum gravitational potential energy.

5.

FLASHCARD QUESTION

Front

When Benjamin swings on a playground swing, at which point is kinetic energy highest?

Back

3

Answer explanation

Kinetic energy is highest at point 3 because this is where Benjamin is at the lowest point of the swing, maximizing his speed. At the highest points (1 and 4), potential energy is maximized, and kinetic energy is minimized.

6.

FLASHCARD QUESTION

Front

At which point of the roller coaster is potential energy the greatest? Options: W, X, Y, Z

Back

W

Answer explanation

Potential energy is greatest at the highest point of the roller coaster. Point W is the highest, so it has the greatest potential energy compared to points X, Y, and Z.

7.

FLASHCARD QUESTION

Front

If all toys are moving at the exact same speed, which toy would have the greatest kinetic energy? Options: tennis ball, football, notebook, box of 20 textbooks

Back

box of 20 textbooks

Answer explanation

Kinetic energy depends on mass and speed. Since all toys move at the same speed, the toy with the greatest mass will have the highest kinetic energy. The box of 20 textbooks is the heaviest, thus it has the greatest kinetic energy.

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