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WorksheetsCCR and SA to Volume Ratio
Total questions: 16
Worksheet time: 10mins
Name
Class
Date
1.
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
a)
radiation
b)
conduction
c)
convection
d)
insulation
2.
Which best describes the process of convection?
a)
Convection is the primary way heat travels through rays.
b)
Convection is the primary way heat travels through metals.
c)
Convection is the primary way heat travels through appliances.
d)
Convection is the primary way heat travels through liquids and gasses.
3.
Tom puts a metallic cover over his car’s windshield after parking. How does this control the sun’s rays during a sunny day?
a)
It prevents heat energy from leaving the car.
b)
It controls the temperature by providing shade.
c)
It reflects the sun’s rays away from the windshield.
d)
It absorbs heat in the windshield protector and cools the car.
4.
How is heat transferred when boiling a pot of water on the stove?
a)
conduction
b)
convection
c)
combustion
d)
radiation
5.
a)
Conduction
b)
Convection
c)
Radiation
6.
A hot rock is dropped into a pail of cool water. Heat energy transferred from the rock to the water by
a)
Boiling
b)
Evaporation
c)
Conduction
d)
Radiation
7.
How does heat energy reach the Earth from the Sun
a)
Convection
b)
Radiation
c)
Conduction
d)
Insulation
8.
Which is the best surface for reflecting heat radiation?
a)
Shiny white
b)
Matt white
c)
Shiny black
d)
Matt black
9.
Which is the best surface for absorbing heat radiation?
a)
Shiny white
b)
Matt white
c)
Shiny black
d)
Matt black
10.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
11.
What is the surface area to volume ratio of the cube?
a)
1
b)
1.5
c)
.66
d)
6
12.
When cold, how do humans decrease their surface area to volume ratio?
a)
They hold their arms away from their body, decreasing heat loss.
b)
They straighten their legs, decreasing heat loss.
c)
They fold their arms tight against their body, decreasing heat loss.
d)
They sweat
13.
Define Surface area
a)
The total area on the surface of an object
b)
Length X Width
c)
6 X (length X width)
d)
Add up the sides and divide by 4
14.
How can surface area (SA) be increased?
a)
Grow larger
b)
Divide into smaller pieces
15.
The amount of space something takes up is called the....
a)
Surface area
b)
Perimeter
c)
Volume
d)
Weight
16.
Hint: think SA: V
a)
Elephant because it has more volume to heat up
b)
Elephant because it has larger ears to block the sun
c)
Mouse because it has more surface area than volume
d)
mouse because it doesn't have as much heat
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