WorksheetsUnit 10 Review
Total questions: 20
Worksheet time: 18mins
Name
Class
Date
1.
What is the transfer of heat by movement of liquids or gases?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
2.
What are waves that can transfer heat through the vacuum of empty space?
a)
Electromagnetic waves
b)
Convection
c)
Conduction
d)
Heat
3.
What is a transfer of heat energy by electromagnetic waves?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
4.
What is the transfer of heat by direct contact?
a)
Convection
b)
Electromagnetic waves
c)
Radiation
d)
Conduction
5.
What is the measurement of the average kinetic energy of a substance?
a)
Kinetic energy
b)
Temperature
c)
Thermal energy
d)
Potential energy
6.
What is a substance that does NOT conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
7.
What is a substance that DOES conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
8.
What is the total amount of kinetic energy in a substance?
a)
Potential energy
b)
Kinetic energy
c)
Thermal energy
d)
Temperature
9.
What is the transfer of kinetic energy from one substance to another?
a)
Heat
b)
Energy
c)
Thermal energy
d)
Temperature
10.
What is the energy of the movement of particles in a substance?
a)
Potential energy
b)
Kinetic energy
c)
Thermal energy
d)
Temperature
11.
What is energy?
a)
Kinetic
b)
Movement
c)
Ability to do work
d)
Thermal energy
12.
The SI unit of heat and energy is the __________.
a)
calorie
b)
heat
c)
joule
d)
watt
13.
ΔH value in an endothermic reaction is a positive number.
a)
True
b)
False
14.
What type of reaction is shown in the reaction pathway?
a)
endothermic reaction
b)
exothermic reaction
15.
_?_ is the amount of energy required to raise the temperature of 1 gram of any substance 1oC.
a)
Specific heat
b)
A calorie
c)
Thermal energy
d)
Conduction
16.
As 120 g of hot milk cools in a mug, it transfers 20, 000 J of heat to the environment. What is the temperature change of the milk? The specific heat of milk is 2.6 J/g·°C. (Q=mcΔT)
a)
64 °C
b)
1.56 °C
c)
640 °C
d)
cannot be determined
17.
If 100 g of aluminum at 145ºC gains 6,800 J of heat, what is the final temperature (Tfinal) of the aluminum? Aluminum has a specific heat of 0.897 J/gºC. (Q=mcΔT)
a)
-69°C
b)
0.52°C
c)
221°C
18.
A 100ml of water is heated by the burning of a biscuit.If he ΔT=200C and the change in mass of the biscuit, Δm =1.35g.Find the enthalpy of the biscuit in kJ/g. (Q=mcΔT)
a)
6.19
b)
61.9
c)
6193
d)
8360
19.
A 200ml of water is heated by the burning of a biscuit.If he ΔT=45.60C and the change in mass of the biscuit, Δm =5.35g.Find the enthalpy of the biscuit in kJ/g. (Q=mcΔT)
a)
7126
b)
71.3
c)
7.13
d)
38.12
20.
a)
endothermic reaction
b)
exothermic reaction
c)
reaction with catalyst
d)
equilibrium reaction
100 %
