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Worksheetsheat transfer
Total questions: 60
Worksheet time: 3600secs
Name
Class
Date
1.
3. If the atoms of an object are moving fast, the temperature would be...
a)
High
b)
Low
c)
Unknown
2.
1. What is temperature?
a)
The measure of coldness
b)
The measure of the kinetic energy or movement of atoms.
c)
The space an object takes.
3.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
4.
The chocolate bunny and the iron.
a)
conduction
b)
convection
c)
radiation
5.
The chocolate bunny and the blow dryer.
a)
conduction
b)
convection
c)
radiation
6.
The chocolate bunny and the lamp.
a)
conduction
b)
convection
c)
radiation
7.
Poor conductors like wood and plastic are called:
a)
conductors
b)
insulators
c)
burners
8.
A chair is several feet from a fireplace. The side of the chair facing the fireplace gets warm due to
a)
conduction
b)
convection
c)
radiation
9.
"Lava lamps" contain colored liquids. These liquids form globs that rise to the top due to
a)
conduction
b)
convection
c)
radiation
10.
Near the ceiling of a room the air is warmer; the warm air rises because of
a)
conduction
b)
convection
c)
radiation
11.
Some cook pans have cooper on the bottom to heat evenly.
Copper transfers heat to the pan by
Copper transfers heat to the pan by
a)
conduction
b)
convection
c)
radiation
12.
In a swimming pool, water near the surface is slightly warmer. The warm water rises because of
a)
conduction
b)
convection
c)
radiation
13.
The metal skewer gets so hot that you drop your marshmallow into the campfire because of
a)
conduction
b)
convection
c)
radiation
14.
A house burns down. The vinyl siding of the house next door warps due to
a)
conduction
b)
convection
c)
radiation
15.
Warm air over the beach rises while cooler, dense air from the ocean rushes in due to
a)
conduction
b)
convection
c)
radiation
16.
A huge rock at the state park gets hot during the day. The rock was warmed from the Sun by
a)
conduction
b)
convection
c)
radiation
17.
You lay on the same hot rock at night and keep warm from the rock by
a)
conduction
b)
convection
c)
radiation
18.
Weather systems in the Earth's atmosphere are due to
a)
conduction
b)
convection
c)
radiation
19.
For a skillet, used for cooking, do you want a high or low specific heat
a)
High, so that it will need more energy to heat up
b)
Low, so that it will change temperature quickly
20.
What is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
21.
What has particularly high specific heat?
a)
Water
b)
Gases
c)
Metals
d)
Poptarts
22.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
23.
Convert 20oC to Kelvin.
a)
273 K
b)
298 K
c)
293 K
d)
20 K
24.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
25.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convectio
d)
I don't know!!!!!!!!!!!
26.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
27.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
28.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
29.
A toaster toasting bread is an example of
a)
condensation
b)
conductio
c)
convection
d)
radiation
30.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
31.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity
32.
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.
33.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
34.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
35.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
36.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
37.
Conduction occurs in...
a)
solids
b)
liquids
c)
gases
38.
Convert 72⁰F to Celsius
a)
2.2⁰C
b)
222⁰C
c)
22.2⁰C
d)
161.6⁰C
39.
Convert 30°C to Fahrenheit
a)
860°F
b)
86°F
c)
63.8°F
d)
56°F
40.
Hot coffee is stirred with a spoon; the spoon gets hot due to
a)
conduction
b)
convection
c)
radiation
41.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using 10,000 JOULES of thermal energy. What material would be have the LARGEST change in temperature?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
42.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using 10,000 JOULES of thermal energy. Based on the chart, which material would be have the SMALLEST change in temperature?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
43.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
44.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
45.
Which will heat up faster?
a)
copper
b)
granite
c)
iron
d)
basalt
46.
Which will heat up slower?
a)
water
b)
lead
c)
granite
d)
iron
47.
The amount of energy required to raise the temperature 1ºC for every kilogram is called____?
a)
Thermal Energy
b)
Specific Heat
c)
Temperature
d)
Kinetic Energy
48.
What is the symbol for Specific Heat
a)
Q
b)
t
c)
m
d)
C
49.
What is the equation to measure change in Thermal Energy?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ∆mct
d)
m=QC
50.
Water has a specific heat of 4184 J/KgºC. Wood has a specific heat of 1760 J/KgºC. What material needs more energy to raise the temperature 1ºC
a)
Wood
b)
Water
c)
Both are the same
51.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
52.
A material was cooled from 100ºC to 40ºC. What is the temperature change?
a)
60ºC
b)
40ºC
c)
-60ºC
d)
-40ºC
53.
What does temperature measure?
a)
Heat of Molecules
b)
ºC
c)
Average Kinetic Energy of Molecules
d)
Thermal Energy
54.
A high specific heat means...
a)
It requires less energy to change temperature
b)
It requires more energy to change temperature
c)
It heats up very quickly
55.
What is Global Warming?
a)
Increasing temperature in Earth's atmosphere
b)
Decreasing temperature in a city
c)
Increasing rain rates in Earth
d)
Decreasing temperature rates
56.
Without the Greenhouse Effect the Earth would be too
a)
warm
b)
cold
c)
dead
d)
funny
57.
Burning fossil fuels is one of the main causes for global warming.
a)
True
b)
False
58.
Which of the following is a consequence of global warming? (Choose all that apply)
a)
Seas rising (flooding)
b)
Loss of habitat for animals.
c)
More severe storms and weather.
d)
Increased forest fires and drought.
59.
Which one of the choices below is NOT a cause for global warming?
a)
Having too many cows
b)
Burning Fossil Fuels
c)
Planting new trees
60.
Why does cutting down trees increase global warming?
a)
trees soak up carbon dioxide
b)
trees provide shade which counteracts global warming
c)
trees absorbs the sun's energy without radiating back into the atmosphere
d)
trees drain greenhouse gases like methane from soil
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