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WorksheetsSemester Final
Total questions: 100
Worksheet time: 2hrs 46mins
Name
Class
Date
1.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
2.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
3.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal
d)
transverse wave
4.
The type of waves that require medium to pass:
a)
Mechanical Waves
b)
Electromagnetic Waves
5.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
6.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
7.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
8.
Electromagnetic waves include the following except
a)
radio waves
b)
X-rays
c)
sound waves
d)
microwaves
9.
regular disturbances that carry energy through matter or space
a)
crest
b)
energy
c)
wave
d)
trough
10.
When a wave strikes and object and bounces off. (example echo)
a)
medium
b)
refraction
c)
reflection
d)
interference
11.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
12.
What is the name of a material in which waves, like sound waves, seismic waves, and waves in a slinky
a)
Vacuum
b)
Medium
c)
Mechanical
d)
Space
13.
Why would a wave change direction?
a)
Because it kept traveling through the same medium
b)
Because it went from one medium to another
c)
the amplitude was too large
d)
the frequency was too small
14.
This diagram represents:
a)
Constructive Interference
b)
Destructive Interference
c)
Refraction
d)
Diffraction
15.
EM waves are always____________
a)
Transverse
b)
Compression
c)
Longitudinal
d)
Seismic
16.
Infrared waves are used in__________________.
a)
Bath tubs
b)
Microwaves
c)
Remote Controls
d)
Tanning
17.
Cancer can be treated with_______________waves.
a)
Penicillin
b)
Radio
c)
Infrared
d)
Gamma
18.
EM waves________________travel through space.
a)
Never
b)
Cannot
c)
Can
d)
Wish they could
19.
_____________________light is the only type of EM wave detected by the human eye.
a)
Red
b)
Gamma
c)
Microwave
d)
Visible
20.
The orange line is measuring the _________________________.
a)
wavelength
b)
amplitude
c)
crest
d)
trough
21.
_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.
a)
microwaves
b)
radio waves
c)
gamma rays
d)
ultraviolet
22.
This type of EM wave shows a break in bones.
a)
gamma ray
b)
x-ray
c)
brokenometer
d)
radio wave
23.
________ is an EM wave used to cook a hot pocket.
a)
radio
b)
microwave
c)
visible light
d)
ultraviolet
24.
________ is an EM wave that has the LEAST energy.
a)
radio
b)
gamma rays
c)
microwaves
d)
visible light
25.
Which of the following does not happen to an atom when it loses an electron?
a)
It becomes positively charged
b)
It becomes negatively charged
c)
It attracts atoms with a negative charge
d)
It repels atoms with a positive charge
26.
Friction between 2 objects causes which part of the atom to jump from one object to the other?
a)
electrons
b)
neutrons
c)
protons
d)
nucleus
27.
Which charges inside an atom flow and create electricity?
a)
neutral
b)
positive
c)
negative
d)
protons
28.
Which part of the atom has a neutral charge?
a)
electron
b)
neutron
c)
nucleus
d)
proton
29.
Friction can cause an object to have a positive or negative charge because it creates an unequal balance of ____________ in the object.
a)
electrons
b)
neutrons
c)
protons
d)
nuclei
30.
Which of the following would not increase the strength of an electromagnet?
a)
more current flowing through the wires
b)
a magnet with two north poles
c)
more coils in the wire
d)
a bigger iron bar
31.
_____________ are materials that keep their built up charges and ______________ are materials that pass on their charges when enough are built up.
a)
conductors, insulators
b)
non-conductors, insulators
c)
conductors, non-conductors
d)
insulators, conductors
32.
Like charges ___________, opposite charges _____________.
a)
repel, repel
b)
attract, attract
c)
attract, repel
d)
repel, attract
33.
Which of these materials will a Magnet Attract?
a)
Plastic
b)
Iron
c)
Rubber
d)
Wood
34.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
35.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
36.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
37.
What characteristics do magnetic substances have?
a)
They can give you a "shock" when you touch them
b)
They can push or pull objects without touching them
c)
They are always black and cold to touch
d)
They fall faster than other objects when you drop them
38.
The electrician in this picture is wearing rubber gloves for protection. The purpose of the rubber gloves is to --
a)
keep the electrician dry
b)
create an electrical circuit
c)
produce electricity
d)
protect the electrician
39.
The compound created from the bond between Lithium and Oxygen would be called...
a)
Lithium oxate
b)
Lithium oxide
c)
Dilithium oxide
d)
Lithium peroxide
40.
What is the formula of Potassium Chloride?
a)
KCl
b)
PCl
c)
KCl2
d)
K2Cl
41.
What is the formula for Calcium Chloride?
a)
CaCl
b)
CaCl2
c)
Ca2Cl
d)
CCl2
42.
What is the name of NaBr?
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
43.
What is the name of NaBr?
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
44.
What is the formula for Magnesium Sulfide?
a)
Mg2S2
b)
Mg2S
c)
MgS2
d)
MgS
45.
What is the formula for Barium Oxide?
a)
BaO3
b)
Ba2O3
c)
BaO
d)
Ba2O2
46.
What is the formula for Lithium Phosphide?
a)
LiP
b)
Li3P
c)
LiP3
d)
LiP2
47.
What is the formula for Potassium Fluoride?
a)
K2F
b)
KF
c)
KF2
d)
K2F2
48.
What is the formula for Calcium Phosphide?
a)
CaP
b)
Ca3P2
c)
Ca2P3
d)
CaP2
49.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
50.
Barium atoms want to form...
a)
an anion
b)
a cation
c)
an onion
d)
a cuddly kitten friend
51.
An Arsenic atom wants to form...
a)
An anion
b)
A cation
c)
An onion
d)
A cuddly kitten friend
52.
Why are ions formed?
a)
To make our lives difficult
b)
Because atoms want 8 valence electrons
c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
53.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
54.
Anions are...
a)
Positive
b)
Negative
c)
Neutral
d)
Crying
55.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
56.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
57.
A Silicon atom wants...
a)
3 more electrons
b)
3 less electrons
c)
4 more or less electrons
d)
2 more electrons
58.
A Radium atom wants...
a)
One more electron
b)
One less electron
c)
Two more electrons
d)
Two less electrons
59.
Which particles change the charge in atoms when ions are formed?
a)
Protons
b)
Electrons
c)
Neutrons
d)
Kittens
60.
What is a Rubidium ion's symbol?
a)
Rb-
b)
Rb+
c)
Rb-2
d)
Rb+2
61.
What is the ionic symbol for a phosphorus atom?
a)
P-3
b)
P+3
c)
P-2
d)
P+2
62.
What is the ionic symbol for a Gallium atom?
a)
Ga+3
b)
Ga-3
c)
Ga+2
d)
Ga-2
63.
What is the ionic symbol for Selenium?
a)
Se-2
b)
Se+2
c)
Se-3
d)
Se+3
64.
What is the ionic symbol for a Tin atom?
a)
Sn+4 or Sn-4
b)
Sn-4
c)
Sn+3
d)
Sn-3
65.
What is the ionic symbol for Krypton?
a)
Kr
b)
Kr+
c)
Kr-
d)
Kr-2
66.
What is the ionic symbol for a Caesium atom?
a)
Cs+
b)
Cs-
c)
Cs+2
d)
Cs-2
67.
Make sure you get enough Potassium in your diet!
a)
Huh?
b)
K
c)
I <3 bananas
d)
Sure
68.
How many atoms of Oxygen are in the following molecule? 3HgSO4
a)
4
b)
3
c)
12
d)
7
69.
The reactants of a chemical equation can be found on which side of the equation?
a)
Left
b)
Right
70.
The products of a chemical reaction can be found on which side of the equation?
a)
Left
b)
Right
71.
Which number is the coefficient in the following molecule? 3Cu(NO3)2
a)
3
b)
6
c)
2
72.
Which number is the subscript in the following molecule? 5Cu(NO)3
a)
5
b)
3
c)
15
d)
8
73.
____C2H6 + 7O2 --> 4CO2 + 6H2O
What coefficient would go in front of C2H6?
a)
1
b)
2
c)
3
d)
4
74.
2Ca + O2 --> ____CaO
What coefficient goes in front of CaO?
a)
1
b)
2
c)
3
d)
4
75.
____O2 + CS2 --> CO2 + 2SO2
What coefficient would go in front of the O2?
a)
1
b)
2
c)
3
d)
4
76.
How many atoms of oxygen are here? 2Ca(NO3)2
a)
2
b)
3
c)
6
d)
12
77.
Mg(NO3)2
What coefficient would be needed to make there be 12 oxygen total?
What coefficient would be needed to make there be 12 oxygen total?
a)
1
b)
2
c)
3
d)
4
78.
When balancing an equation you can only add
a)
coefficients
b)
subscripts
c)
parentheses
d)
any number you want
79.
C2H6 + O2 --> CO2 + H2O
How many atoms of oxygen do you have on the product side?
How many atoms of oxygen do you have on the product side?
a)
1
b)
2
c)
3
d)
4
80.
C2H6 + O2 --> CO2 + H2O
Is this equation balanced, yes or no?
Is this equation balanced, yes or no?
a)
yes
b)
no
81.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
82.
An atom's mass number equals the number of...
a)
protons plus the number of electrons
b)
protons plus the number of neutrons
c)
protons
d)
neutrons
83.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
84.
What charge does a Proton have?
a)
Negative
b)
Positive
c)
Neutral
d)
Contrated
85.
How many Hydrogen atoms are in Water (H2O)
a)
1
b)
2
c)
3
d)
4
86.
Which subatomic particle has a neutral charge?
a)
Proton
b)
Neutron
c)
Electron
87.
Where are protons located in the atom?
a)
orbitals
b)
nucleus
c)
rings
d)
positive
88.
Where are electrons located in the atom?
a)
Nucleus
b)
Shells/orbitals
c)
rings
d)
center
89.
Where are neutrons located in the atom?
a)
shells/orbitals
b)
rings
c)
center
d)
nucleus
90.
How many protons are in Boron (B) ?
a)
3
b)
5
c)
10
d)
11
91.
What is the atomic mass of Copper?
a)
63
b)
29
c)
34
d)
92
92.
Sodium has an atomic number of 11, how many protons does this atom have?
a)
22
b)
11
c)
12
d)
2
93.
The properties of an element can be predicted from...
a)
color
b)
location on Periodic Table
c)
educated guess
d)
atomic number
94.
A compound consists of two or more elements bound together.
a)
True
b)
False
95.
Element is a
a)
pure substance
b)
compound
c)
mixture
d)
molecule
96.
Element or Compound?
Salt (NaCl)
Salt (NaCl)
a)
Element
b)
Compound
97.
CO2
a)
Element
b)
Compound
98.
H
a)
Element
b)
Compound
99.
9+10 hint it's 19
a)
19
b)
18
c)
91
d)
21
100.
It's been a great year. Here's one on me...
a)
NOT THE ANSWER
b)
NOT THE ANSWER
c)
probably NOT THE ANSWER
d)
THE ANSWER (this one!!!)
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