WorksheetsChapter 7.3 Form 3 Science
Total questions: 11
Worksheet time: 35mins
Which statement describes the Principle of Conservation of Energy?
Energy can be destroyed.
Energy can be created.
Energy can change its form.
Energy can retained its value.
Jack fired a cannonball with a mass of 2 kg into the air. The cannonball went up to 500 m before it beings to fall to the ground. Calculate the velocity of the cannonball before it begins to fall to the ground.
100 m/s
250 m/s
500 m/s
1000 m/s
Diagram shows a trolley is placed on a runway. What is the change of energy form when the trolley moves down the runway?
Gravitational potential energy → Kinetic energy
Kinetic energy → Gravitational potential energy
Elastic potential energy → Kinetic energy
Kinetic energy → Elastic potential energy
From the diagram, state at which point the gravitational potential energy is maximum.
W
X
Y
Z
From the diagram, state at which point the kinetic energy is maximum.
W
X
Y
Z
A stone with a mass of 4 kg is dropped from a height of 4 m. Calculate the kinetic energy of the rock when the rock falls to the ground.
180 J
160 J
1800 J
2400 J
Principle of Conservation of Energy states that energy can neither be _____________ or _____________.
created
destroyed
moved
compressed
The Principle of Conservation of Energy states that energy can be created but cannot be destroyed.
True
False
State the change in energy form from P to Q.
Gravitational potential energy → Kinetic energy
Kinetic energy → Elastic potential energy
Elastic potential energy → Kinetic energy
Kinetic energy → Gravitational potential energy
Which position of the ball which ONLY possesses the kinetic energy.
A
B
C
D
Which of the position of the ball ONLY possesses gravitational potential energy?
A
B
C
D
