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WorksheetsHeat & Thermal Review
Total questions: 21
Worksheet time: 11mins
The SI unit for temperature is ___________ .
Celcius
Kelvin
Fahrenheit
Joules
Write the equation to find energy?
d=t x s
f= m x a
gpe= h x l x g
q= m x T x Cs
Heat always flows/transfers from __________ to __________ objects.
warm to cool
cool to warm
ice cold to freezing
Convert 273 K (Kelvin) to ___________ Celsius (ºC).
273 ºC
173 ºC
73 ºC
0ºC
Define conduction.
Transfer of thermal energy through the movement of a fluid.
Transfer of thermal energy through direct contact.
Transfer of thermal energy from the sun to earth. (waves or rays)
Which of the following sections on the graph represents the state of change from liquid to gas (water to steam/vapor)?
A --> B
C --> D
B --> C
E --> F
D --> E
Convert 30 ºC (Celsius) to __________Kelvin (K).
300 K
303 K
3 K
-303 K
Define convection.
transfer Of thermal energy from the sun to earth. ( waves or rays)
transfer Of thermal energy through direct contact.
transfer Of thermal energy through the movement of a fluid.
What is the unit for Heat Energy?
J/g x C
g
oC
J
105 g of 35 ºC water is heated until it's temperature is 100 ºC. If the specific heat of water is 4.184 J/g x ºC, calculate the amount of heat energy needed to cause this rise in Temperature.
28555.8 J
1613.21 J
2.6 J
10500 J
Define radiation.
Transfer of thermal energy through direct contact.
Transfer of thermal energy through the movement of a fluid.
Transfer of thermal energy from sun to Earth. (waves or rays)
Which process transfers heat from the cup to the spoon ?
radiation
conduction
convection
_________ is the transfer of thermal energy through the emission of waves or particles.
Convection
Radiation
Conduction
How many joules of heat are needed to raise the temperature of 21.0 g of aluminum from 10 ºC to 60 ºC? Note: The specific heat of aluminum is 0.90 J/g x ºC.
23.3 J
945 J
1050 J
1166.67 J
Bob warms his hands by the campfire. This demonstrates which type of heat transfer?
Radiation
Convection
Conducation
What happens when you put ice in your drink to cool it down?
Heat is transferred from the drink to the ice.
Cold is transferred from the drink to the ice.
Heat is transferred from the ice to the drink
Heat CANNOT travel by convection through ________
concrete
water
air
soup
Weather is influenced by global patterns of atmospheric movement. Winds and ocean currents are evidence for the process of _______
condensation
conduction
convection
radiation
Even on a cool day, an ice cube held in a person's hand will melt because of _______
Kinetic Energy
Potential Energy
What are the 3 methods of heat transfer?
Fusion, insulation, radiation
radiation, convection, conduction
convection, condensation, radiation
Fusion, convection, insulation
A 25.0 g sample of mercury is cooled from 50 ºC to 10 ºC. If the specific heat of mercury is 0.14 J/g x ºC, calculate the amount of heat energy lost in the process.
-140 J
140 J
40 J
-40 J
