WorksheetsScience, Sept 2-5
Total questions: 10
Worksheet time: 27mins
(a) has the ability to cause (b) or do (c) .
Which of the following is not a way energy can be observed at the macroscopic level?
Motion
Light
Sound
Splitting Atoms
A student strikes a drum.
What type of energy is produced?
Electrical
(electricity)
Musical
(sound)
Mechanical
(sound)
Thermal
(heat)
A flashlight "does work" when energy is transferred from (a) .
True or False: A fast-moving soccer ball shows energy as motion.
False
True
(kinetic energy)
True
(potential energy)
A gentleman plugs in a fan.
What forms (more than one) of energy are observed?
Mechanical
(sound and motion)
Electrical
(sound and light)
Mechanical
(sound and light)
Radiant
(motion and light)
Match each energy form with the correct example.
Mechanical
swinging a baseball bat
Radiant
a brightly shining lamp
Thermal
sunbathing
Electrical
charging a cellphone
What does the Law of Conservation of Energy states; (a) can change (b) but cannot be (c) nor destroyed.
Match each device with the energy transformation:
Electrical Energy
to
Thermal Energy
Electrical Energy
to
Mechanical Energy
Electrical Energy
to
Radiant Energy
Thermal Energy
to
Mechanical Energy
Why does a light bulb stay warm for a few minutes after it is turned off?
Heat energy is created out of nowhere.
Electrical energy transforms into both radiant and thermal energy.
The bulb stores extra light and releases it as heat.
