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WorksheetsEnergy: Conservation and Transfer EOC
Total questions: 16
Worksheet time: 8mins
Sunlight passes through the windows of a car and causes the car seats to get hot. Which type of energy flow is involved in heating the seats?
conduction
convection
insulation
radiation
The transfer of heat in the atmosphere by winds that circulate between the equator and the poles is an example of
radiation
insulation
convection
conduction
A student standing near a campfire feels warmer as the fire grows. Which process most likely transfers heat from the campfire to the student?
conduction
convection
radiation
transformation
Which of the following is the best conductor of heat?
oven mitts
metal bowl
wooden spoon
rubber soled shoes
When a frying pan is placed on an electric stove top, heat energy is transferred from the burner to the pan by
convection
radiation
conduction
insulation
Emily made a cup of tea and stirred it with a spoon. The spoon became warm. How was the heat from the tea transferred to the spoon?
convection
radiation
conduction
evaporation
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.
What process in the atmosphere protects people from the ultraviolet rays in sunlight?
Ozone absorbs ultraviolet light.
Nitrogen reflects ultraviolet light
Water vapor scatters ultraviolet light.
Carbon dioxide blocks ultraviolet light.
In 2001, NASA launched a probe to investigate very low-energy radiation emitted when the universe began. What part of the electromagnetic spectrum does this probe observe and record?
infrared
microwave
ultraviolet
visible
A class made a solar cooker out of a large can. What color should they paint the can in order to collect the most heat?
black
green
pink
white
Which of these describes the property of being a thermal insulator?
lustrous
malleable
does not conduct heat easily
low specific heat capacity
Plastic conducts very little thermal energy or electricity. Because of this property, plastic would most likely be used to cover
metal
wood
solids
liquids
A student is given three identically sized blocks. Each block is made of a different material. What characteristic of the blocks should be examined to find out which block is made of metal?
color
weight
texture
conductivity
Which best explains why a sleeping bag manufacturing company would use down feathers to stuff the bags?
The feathers are a good insulator.
The feathers are soft and will not be lumpy.
The feathers are a good protection from rain.
The feathers are easily replaced when they slip out.
A metal pan will heat up quickly when placed over a gas or electric burner. The metal pan is a good
resistor
insulator
conductor
accelerator
A conducting wire wrapped in plastic protects the user because the plastic
keeps the wire cool
allows heat to move freely
is a good electrical insulator
has magnetic properties.
