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Misconception NGM009:

An object has energy within it that is used up as the object moves (Brook & Driver, 1984; Kesidou & Duit, 1993; Loverude, 2004; Stead, 1980).

Items that test for misconception NGM009 in this project (Original Project) and key idea (Regardless of what happens within a…)
Item ID
Number

Item Description

How Often the Misconception was Chosen

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NG065004

A pendulum stops swinging because the motion energy of the ball is transferred somewhere else, like the air, as the ball swings from side to side.

60%

NG086002

Assuming no energy transfer between a roller coaster car and the track it is moving in or between the car and the air around it, all of the hills that a roller coaster car can get over must be lower than the height of the starting point.

51%

NG095002

The total amount of energy a ball has does not change after it goes down and up a dip because the total energy of the system (ball and track) does not change (assuming no energy transfer between the ball and the track and the ball and the air around it).

37%

NG085002

Assuming that no energy is transferred between a ball and the curved track it is moving in, or between the ball and the air around it, the ball will not have enough energy to go over a hill that is higher than the height from which it started because the total energy of the system has to remain the same.

23%

NG090002

Assuming no energy transfer between a ball and the track it is moving in, the speed of the ball will be the same before and after rolling over a hill because the total amount of energy in the system does not change.

19%

NG071002

Assuming that no energy is transferred between a ball and the curved track it is moving in, or between the ball and the air around it, the ball will move down the track and then up to a point equal to the height from which it started.

17%

NG094002

Assuming no energy transfer between a ball and the track it is moving in, the amount of energy the ball has after it goes over a hill will be the same as before it went over the hill because the total amount of energy in the system did not change.

16%

NG084002

Assuming that no energy is transferred between a ball and the curved track it is moving in, or between the ball and the air around it, the ball will only move to a height equal to the height from which it started. It will not be able to go over a hill that is higher than the point from which it started.

13%

NG070002

Assuming that no energy is transferred between a ball and the curved track it is moving in, or between the ball and the air around it, the ball will move to a height equal to the height from which it started.

12%

Items that test for misconception NGM009 in this project (Original Project) and other key ideas

NG013002

As a rubber balls falls to the floor, the motion energy of the ball increases and the gravitational potential energy of the ball decreases because the gravitational potential energy is transformed into motion energy.

18%

NG015003

As a ball rolls down a ramp, the gravitational potential energy of the ball decreases and the motion energy of the ball increases because gravitational potential energy is transformed into motion energy.

17%

NG005003

As a piece of clay falls, its gravitational potential energy is converted to motion energy, and as it hits the floor its motion energy is converted into thermal energy.

16%

NG079002

The motion energy of a book sliding across a table is transformed into thermal energy, not into a force.

11%