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WorksheetsEnergy
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
This is a graphing showing...
a)
thermal equality
b)
thermal equilibrium
c)
kinetic equilibrium
d)
thermal energy
2.
Heat flows from...
a)
hot to cold.
b)
cold to hot.
c)
hot to hot.
d)
cold to cold.
3.
Water boils at...
a)
373º C
b)
32º C
c)
100º C
d)
200º C
4.
Water freezes at...
a)
0º C
b)
32º C
c)
47º C
d)
-1º C
5.
What is heat?
a)
How fast something warms up.
b)
The measure of the average kinetic energy of all the particles in an object.
The measure of the average kinetic energy of all the particles in an object.
c)
The transfer of energy from one object to another because of a temperature difference.
The transfer of energy from one object to another because of a temperature difference.
d)
The amount of kinetic energy in a substances
6.
What is the unit that energy is measure in?
a)
Joule
b)
Calorie
c)
Degree
d)
Kalorie
7.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
8.
1. What is the ability to do work?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Energy forms
9.
What do we call a change from one form of energy to another?
a)
Energy form
b)
Energy transformation
c)
Kinetic energy
d)
Potential energy
10.
The type of energy that is the amount of energy from the movement in particles is...
a)
thermal
b)
mechanical
c)
sound
11.
If the atoms of an object are moving fast, the temperature would be...
a)
High
b)
Low
c)
Unknown
12.
What could be occurring between point B and C?
a)
melting
b)
material is getting softer
c)
freezing
d)
material is warming up
13.
What could be occurring at point E?
a)
boiling
b)
material is getting softer
c)
freezing
d)
material is warming up
14.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
15.
In an endothermic reaction, heat is ,,,
a)
taken in
b)
given out
16.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
17.
what is an example of exothermic?
a)
firework
b)
ice pack
c)
coal
d)
wood
18.
Is the melting of ice an exothermic or endothermic process?
a)
Exothermic
b)
Endothermic
19.
Ist the following an endothermic or an exothermic process?
E + BaS --> Ba2+ + S2-
E + BaS --> Ba2+ + S2-
a)
Endothermic
b)
Exothermic
20.
A certain chemical reaction requires 286 kJ of energy to react and produces 300 kJ of energy. What is ΔH and is the reaction endothermic or exothermic?
a)
14 kJ/kg
Endothermic
Endothermic
b)
14 kJ/kg Exothermic
c)
-14 kJ/kg Endothermic
d)
-14 kJ/kg Exothermic
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