WorksheetsEnergy Year 7
Total questions: 25
Worksheet time: 19mins
The diagram shows the same spring being stretched at different lengths using different masses. At which length does the spring have the MOST potential energy?
length A
length B
length C
length D
1. As an object falls, what happens to its gravitational energy?
Increases
Decreases
Stays the same
Need more information.
1. As an object falls, what happens to its kinetic energy?
Increases
Decreases
Stays the same.
Need more information
When a bouncing ball hits the ground and squishes, what is the main type of energy that it has?
Kinetic
Gravitational
Elastic
Chemical
Elastic potential energy is energy stored in an object, such as a spring, due to the object being stretched or compressed. In which position is it most likely that the spring has lost its elastic potential energy?
W
Y
X
Z
What is potential energy?
The energy an object has due to its position or condition.
The energy an object has due to its motion.
The energy an object has due to its chemical composition.
The energy as object has due to its atomic structure.
All of the pictures are examples of what type of energy?
gravitational potential energy
elastic potential energy
chemical potential energy
kinetic potential energy
What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?
mechanical energy to chemical energy
thermal energy to mechanical energy
chemical energy to mechanical energy
mechanical energy to thermal energy
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
To save energy we should:
use energy-saving bulbs
Use larger tv's
Avoid turning lights on and off
Keep the TV on
__________ is an energy resource that WILL NOT run out in the next several hundred years.
Renewable Energy Resource
Nonrenewable Energy Resource
Nuclear Power is a __________ energy resource.
Renewable
Nonrenewable
