WorksheetsUnit 3 Weekly Assessment: Wk 2 Phys & Chem Properties & Changes
Total questions: 25
Worksheet time: 22mins
Name
Class
Date
1.
Water exists as a _____________ at 700 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
2.
Describe the substance between letters A and B.
a)
Solid
b)
Liquid
c)
Melting
d)
Evaporating
3.
Describe the substance between letters D and E.
a)
Gas
b)
Liquid
c)
Melting
d)
Evaporating
4.
freezing
a)
change of state from solid to liquid
b)
change of state from liquid to solid
5.
melting
a)
change of state from solid to liquid
b)
change of state from liquid to solid
6.
The freezing and melting points of water are the same.
a)
True
b)
False
7.
To determine the freezing and melting points use a
a)
thermometer
b)
scale
c)
balance
8.
What is water's freezing point?
a)
0 F
b)
32 C
c)
50 C
d)
0 C
9.
When does condensation happen?
a)
solid to liquid
b)
liquid to gas
c)
gas to liquid
d)
solid to gas
10.
When does evaporation happen?
a)
gas to liquid
b)
liquid to solid
c)
solid to liquid
d)
liquid to gas
11.
At what temperature does water change from a liquid to a gas?
a)
0˚C freezing point
b)
100˚C boiling point
c)
100˚C melting point
d)
0˚C melting point
12.
My particles are able to slide past one another, but are still close together
a)
Gas
b)
Plasma
c)
Liquid
d)
Solid
13.
I have a definite volume, but no definite shape
a)
Gas
b)
Liquid
c)
Plasma
d)
Solid
14.
I have a definite shape and a definite volume.
a)
Gas
b)
Plasma
c)
Solid
d)
Liquid
15.
My particles move the slowest.
a)
Solid
b)
liquid
c)
Gas
d)
Plasma
16.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
17.
Is glass breaking a chemical or physical change?
a)
chemical
b)
physical
18.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
19.
Is melting ice a chemical or physical change?
a)
chemical
b)
physical
20.
Is frying an egg a physical or chemical change?
a)
chemical
b)
physical
21.
Which is an example of a chemical change?
a)
b)
c)
d)
22.
Which is an example of a chemical change?
a)
b)
c)
d)
23.
Which is an example of a physical change?
a)
b)
c)
d)
24.
Which is an example of physical property?
a)
color
b)
flammability
c)
reactivity
d)
toxicity
25.
Which is an example of chemical property?
a)
color
b)
flammability
c)
shape
d)
size
100 %
