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WorksheetsUnit 5 Energy
Total questions: 20
Worksheet time: 10mins
A recent article in a science journal explains the relationship between convection currents and plate tectonics. As fluid within the mantle circulates, it causes crustal plates to move. Which is most likely causing the liquids inside Earth to circulate?
energy transfers
global warming
tidal variations
ocean currents
How is heat being transferred from the handle to the hand?
conduction
convection
radiation
sublimation
How is heat being transferred from the sun to earth?
conduction
convection
radiation
sublimation
Which form of heat transfer allows water to boil and tectonic plates to move?
conduction
convection
radiation
sublimation
How are the campers able to feel the campfire?
through conduction
through convection
through radiation
through sublimation
How is energy transferred when a heating pad is put on a muscle injury?
Heat energy is transferred by radiation from the heating pad to the back.
Heat energy is transferred by absorption from the back to the heating pad.
Heat energy is transferred by conduction from the heating pad to the back.
Heat energy is transferred by convection from the back to the heating pad.
Which of the following materials would best slow the transfer of heat?
aluminum
glass
copper
wood
Use the diagram of a convection current to answer the question that follows. Which arrow represents the hottest air in this convection current?
1
2
3
4
Which statement describes the transfer of energy when an ice cube is placed in a cup of hot tea?
Cold moves from the ice to the tea.
Cold moves from the ice, and heat moves from the tea.
Heat moves from the tea to the ice.
Heat moves simultaneously between the ice and the tea.
The liquid in the thermometer falls when it is placed in cold water because ___________.
it gains heat from the cold water and expands.
the surrounding air is too cold.
it loses heat from the cold water and contracts.
the liquid is freezing.
Which material is a good conductor of heat?
plastic
rubber
foam
copper
What is an insulator?
a device that keeps too much current from flowing through wires
a switch that protects circuits from currents that are too high
a material through which current cannot move easily
a loop of wire that generates an alternating current
Why can you see someone clearly through a clear glass window but not through a frosted glass window?
Clear glass reflects light, but frosted glass absorbs light.
Clear glass transmits light, but frosted glass scatters light.
Clear glass transmits some light, but frosted glass absorbs all light.
Clear glass scatters some light, but frosted glass transmits all light.
One technique for detecting cancer uses electromagnetic waves to detect temperature differences between cancer tissue and the surrounding normal tissues. What part of the electromagnetic spectrum is used in this technique?
x-rays
electromagnetic rays
infrared radiation
ultraviolet light
The entire electromagnetic spectrum is divided into regions by ________________.
how they are used
speed
color
wavelength
Which color has the shortest wavelength and the highest frequency?
red
violet
green
yellow
What is happening to the light from this flashlight?
Light is refracted after it hits a smooth surface.
Light is absorbed after it hits a smooth surface.
Light is reflected after it hits a smooth surface.
Light is transmitted after it hits a smooth surface.
Why does a lime look green?
It absorbs green wavelengths of light and reflects most other wavelengths.
It reflects green wavelengths of light and absorbs most other wavelengths.
It refracts green wavelengths of light and transmits most other wavelengths.
It transmits green wavelengths of light and refracts most other wavelengths.
Dina put an egg in a frying pan. She put the pan on a stove and turned the stove on high. After a few minutes, the egg began to cook. Which statement best describes why the egg began to cook?
The stove transferred mechanical energy to the frying pan.
The stove transferred nuclear energy to the frying pan.
The stove transferred chemical energy to the frying pan.
The stove transferred thermal energy to the frying pan.
Which of the following heat exchange processes involves the collision of particles?
insulation
conduction
convection
radiation
