# NCSCOS Grade 7 Physical Science - 7.P.2 Diagnostic Energy

## Quiz by NCDPI

Science
North Carolina Standard Course of Study

### Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

10 questions
• Q1
Niagara Falls is a good example of __________________.
Potential energy being transformed into kinetic energy
Energy being destroyed
Kinetic energy being transformed into potential energy
Energy being created
30s
7.P.2.1
• Q2
Which of the following has kinetic energy?
a battery
an archer’s bow that is drawn back
a rolling bowling ball
a rock sitting at the top of a hill
30s
7.P.2.1
• Q3
When riding a roller coaster, you go up and down many hills. When do you have the maximum potential energy?
as you go up each hill
at the top of each hill
at the bottom of each hill
as you go down each hill
30s
7.P.2.2
• Q4
Potential energy that depends on height is called _________________
Nuclear energy
Kinetic energy
Elastic potential energy
Gravitational potential energy
30s
7.P.2.1
• Q5
Which example involves the transformation of chemical energy directly into light energy?
a glow stick
a hydroelectric dam
a wind mill
photosynthesis
30s
7.P.2.3
• Q6
To cook food, an oven converts electrical energy into ________ energy.
chemical
sound
nuclear
thermal (heat)
30s
7.P.2.3
• Q7
The law of conservation of energy states that _____________________
energy is neither created or destroyed, only changed in form
energy is lost in the process
energy is destroyed in the process
energy is created in the process
30s
7.P.2.2
• Q8
How can simple machines make work easier?
By adding more work on the object than originally applied
By increasing the friction between the machine and the object
By decreasing the force needed to complete the task
By removing the force of gravity on the object
30s
7.P.2.4
• Q9
Which simple machine would be the most efficient for lifting an object 30 meters off the ground?
Screw
Pulley
Wedge
Wheel and Axle
30s
7.P.2.4
• Q10
If something has KINETIC energy, it
s stored energy
has motion
can move something
30s
7.P.2.1

Teachers give this quiz to your class