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WorksheetsPhysical Science B Trimester Review
Total questions: 79
Worksheet time: 1hrs 26mins
Name
Class
Date
1.
How many electrons should Oxygen have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
2.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
3.
a)
2
b)
8
c)
3
d)
13
4.
a)
15
b)
16
c)
5
d)
6
5.
This could be the dot diagram of
a)
Be
b)
B
c)
C
d)
Ne
6.
What element is this?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
7.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
None of these
8.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
9.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
10.
What is the atomic number of this nucleus?
a)
1
b)
3
c)
4
d)
7
11.
What is the atomic number of Nickel?
a)
110
b)
28
c)
46
d)
78
12.
This particle is found in the nucleus and has no charge
a)
Neutron
b)
Proton
c)
Electron
13.
This particle is found in the nucleus and has a positive charge
a)
Electron
b)
Proton
c)
Neutron
14.
This is a negatively charged particle found outside the nucleus
a)
Electron
b)
Proton
c)
Neutron
15.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
16.
How many neutrons does uranium-235 have?
a)
238
b)
92
c)
146
d)
143
17.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
18.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
19.
Anions are...
a)
Positive
b)
Negative
c)
Neutral
d)
Crying
20.
a)
Periods
b)
Groups
21.
a)
Periods
b)
Groups
22.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
23.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
24.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
25.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
26.
Most of the elements on the periodic table are classified as _____.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Periods
27.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8
28.
which atom has 4 neutrons?
a)
Li-6
b)
Li-7
c)
Li-8
d)
they have the same # of neutrons
29.
Alpha particles.....
a)
a) are positively charged.
b)
b) consist of two protons and four neutrons.
c)
c) can penetrate any thickness of matter
d)
d) All of the above
30.
Radioactive materials have unstable...
a)
electrons
b)
protons
c)
nuclei
d)
neutrons
31.
The most penetrating type of radiation is the ____.
a)
alpha particle
b)
gamma ray
c)
beta particle
d)
uranium
32.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
33.
What element is the ?
a)
Ag-115
b)
Cd-115
c)
Pd-115
d)
Not Listed
34.
Which type of nuclear radiation is being emitted here?
a)
alpha
b)
beta
c)
gamma
d)
none
35.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
36.
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
a)
3.0g
b)
0.25mg
c)
0.3g
d)
0.25g
37.
When nuclei decay, massive amounts of __________ is released.
a)
energy
b)
jello
c)
protons
d)
neutrons
38.
What is the half-life of iodine-131?
a)
32 days
b)
8 days
c)
16 days
d)
24 days
39.
After the third half-life, how much of a radioactive sample is left?
a)
1/2
b)
1/3
c)
1/16
d)
1/8
40.
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
a)
1 half-life
b)
2 half-lives
c)
3 half-lives
d)
4 half-lives
41.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
42.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
43.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
44.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
45.
What is voltage?
a)
The amount of electric potential energy per one coulomb of charge
b)
The amount of 1 coulomb of charge per unit of potential energy
c)
The number of volts per coulomb
d)
The amount of electric potential energy per volt
46.
What is the unit for voltage?
a)
Ampere
b)
Potential difference
c)
Ohm
d)
Volt
47.
_____________ is a good electrical conductor
a)
Copper
b)
Plastic
c)
Aluminum
48.
What is the relationship between the current and brightness of the bulb
a)
current increase, brightness of the bulb decrease
b)
current increase, brightness of the bulb increase
49.
When resistor is added to the circuit, the brightness of the bulb ________________
a)
increase
b)
decrease
50.
Like charges repel, unlike charges _________.
a)
Repel
b)
Resist
c)
Attract
d)
Relax
51.
Fossil Fuels are fuels
a)
formed from the decaying remains of plants only
b)
formed from the decaying remains of plants and animals that were compressed over a short period of time
c)
formed from the decaying remains of plants and animals that lived millions of years ago
d)
formed from decaying food
52.
Geothermal energy is
a)
heat energy naturally produced in earthquakes
b)
is heat naturally produced in space
c)
is heat naturally produced within Earth
d)
is heat energy naturally produced in the water
53.
There are 3 Main Fossil Fuels. We Know Them As --
a)
Carbon Dioxide, Oxygen, Nitrogen
b)
Cookies, Nutella, Granola
c)
Coal, Oil, Natural Gas
d)
Canyons, Oceans, Nymph
54.
The sun produces energy using _____.
a)
fission
b)
fusion
c)
biomass
d)
geothermal
55.
What is one advantage of fossil fuels?
a)
They are cheap.
b)
They are good for the environment.
56.
What is missing from this process of making energy?
1. Oil is burned and heats the water.
2. Water turns to steam.
3. __________________
4. Generator makes electricity.
1. Oil is burned and heats the water.
2. Water turns to steam.
3. __________________
4. Generator makes electricity.
a)
Steam makes the generator turn.
b)
Steam turns to water again.
c)
Steam turns the turbine.
d)
Steam turns the reactor.
57.
What is a disadvantage of nuclear power?
a)
The reactor takes up too much space.
b)
It produces greenhouse gases.
c)
It produces radioactive waste.
58.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
59.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
60.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal
d)
transverse wave
61.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
62.
A sound wave with a low frequency has a ______ wavelength than a sound wave with a higher frequency.
a)
slower
b)
longer
c)
shorter
d)
faster
63.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
64.
This is the unit used to measure the volume of a sound.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
65.
What best describes the doppler effect?
a)
An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
b)
When sound changes pitch
c)
When light changes color
d)
An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
66.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
67.
If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
68.
In this clip, the sound of the jet illustrates the doppler effect AS OBSERVED BY
a)
The man on the ground
b)
The pilot in the jet
c)
Both the man on the ground and the pilot in the jet
69.
In order to make his music sound lower in pitch, roller baby could (select all correct answers)
a)
skate away from the boombox
b)
skate towards the boombox
c)
push the boombox away from him
d)
have someone push the boombox towards him
e)
drop the bass
70.
Infrared waves are used in__________________.
a)
Bath tubs
b)
Microwaves
c)
Remote Controls
d)
Tanning
71.
Which type of EM wave has the highest frequency?
a)
gamma ray
b)
radio waves
c)
microwaves
d)
infrared rays
72.
________ is an EM wave that has the LEAST energy.
a)
radio
b)
gamma rays
c)
microwaves
d)
visible light
73.
If an
object is moving toward us, its spectrum will experience
a)
no shift
b)
red shift
c)
black spectrum
d)
blue shift
74.
Hubble observed that galaxies are
a)
expanding
b)
moving away from us
c)
moving towards us
d)
standing still
75.
Why is the light from distant galaxies red-shifted?
a)
They produce more red light than nearby galaxies
b)
They are moving away from us
c)
The longer wavelengths are filtered out more by
dust
d)
They are moving toward us
76.
About how long ago do scientists believe the
universe began?
a)
13-14 billion years ago
b)
13-14 million years ago
c)
12-13 billion years ago
d)
12-13 million years ago
77.
An average-sized start can create elements as large as...
a)
Hydrogen
b)
Carbon
c)
Iron
d)
Uranium
78.
What kind of star has enough mass and heat to create elements up the the size of Iron?
a)
Red dwarf
b)
Massive (like a Red Giant or a Red Supergiant)
c)
Sun-sized
79.
In order to have enough energy for elements larger than Iron to be created, what has to happen?
a)
nothing
b)
spinning
c)
supernova
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