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WorksheetsPhysical Science Semester 2 Review 2
Total questions: 23
Worksheet time: 23mins
Name
Class
Date
1.
On a Hertzsprung-Russell Diagram, what are the low luminosity stars along the bottom?
a)
dwarf stars
b)
red giants and supergiants
c)
main sequence stars
d)
blue giants
2.
What relationship does a Hertzsprung-Russell Diagram show?
a)
color and distance
b)
magnitude and temperature (Kelvin)
c)
color and temperature (Celsius)
d)
magnitude and size
3.
Name the phase change: gas to liquid
a)
sublimation
b)
condensation
c)
evaporation
d)
melting
4.
Name the phase change: solid to liquid
a)
freezing
b)
boiling
c)
condensation
d)
melting
5.
What color would a litmus paper turn if it were dipped in an acid?
a)
black
b)
red
c)
blue
d)
white
6.
What color would a litmus paper turn if it were dipped in a base?
a)
black
b)
red
c)
blue
d)
green
7.
What color are the stars in the spectral class that is between white and blue?
a)
orange
b)
red
c)
whitish blue
d)
yellow
8.
This is the sum of the protons and neutrons in the nucleus of an atom.
a)
atomic number
b)
mass number
c)
ions
d)
isotopes
9.
Our sun will eventually become:
a)
a black hole
b)
a neutron star
c)
a quark star
d)
a white dwarf
10.
How many valence electrons does a neutral chlorine atom have?
a)
2
b)
17
c)
6
d)
7
11.
How many valence electrons does a neutral phosphorus atom have?
a)
15
b)
3
c)
4
d)
5
12.
AB --> A + B
a)
synthesis
b)
decomposition
c)
single displacement
d)
double displacement
13.
A + B --> AB
a)
synthesis
b)
decomposition
c)
single displacement
d)
double displacement
14.
AB + CD --> AD + BC
a)
synthesis
b)
decomposition
c)
single displacement
d)
double displacement
15.
Name the compound: KI
a)
Potassium
b)
Sodium
c)
Potassium iodine
d)
Potassium iodide
16.
What ions are associated with acids?
a)
K+
b)
OH-
c)
Ca+
d)
H+
17.
Bases are associated with what ion?
a)
K+
b)
OH-
c)
Ca+
d)
H+
18.
What spectral class is our sun?
a)
A
b)
D
c)
G
d)
F
19.
Which of the following scientists is most likely to study a rare butterfly species?
a)
Hematologist
b)
Geologist
c)
Herpetologist
d)
Lepidopterist
20.
Which of the following scientists is most likely to study a rare blood disorder in humans?
a)
Herpetologist
b)
Entomologist
c)
Hematologist
d)
Mycologist
21.
Which of the following scientists is most likely to study weather patterns generated by ocean currents?
a)
Ichthyologist
b)
Oceanographer
c)
Paleontologist
d)
Taxonomist
22.
Which of the following is not an element?
a)
salt
b)
nickel
c)
copper
d)
sodium
23.
Which of the following is a compound?
a)
potassium
b)
iron
c)
water
d)
oxygen
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