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WorksheetsPS Final Exam - C
Total questions: 67
Worksheet time: 34mins
Matter that has a definite volume and a definite shape is a (a)
In which phase of matter are the molecules of the substance
farthest apart from each other?
liquid
gas
solid
condensate
When two more more substances are
physically combined, the result is a(n) ______.
chemical change
element
compound
mixture
The air that you breathe is an example of a(n) ______ solution.
solid
liquid
gas
plasma
Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a (a)
As a sample of matter is heated, its particles ____.
are unaffected
move more quickly
move more slowly
stop moving
Three examples of physical change are
sawing wood, crushing a can, and burning a marshmallow
burning of gasoline, rotting an egg, and exploding fireworks
freezing of water, evaporation of gasoline, and rusting of a nail
boiling of water, blowing up a balloon, and melting a candle
The color of ink is a _______.
physical change
physical property
chemical change
chemical property
Which of the following is evidence that a physical change has occurred?
Broken glass
Rust
Bubbles
Formation of a solid precipitate
The amount of energy needed to change a material from the solid state to the liquid state is the heat of ____.
condensation
vaporization
fusion
evaporation
Which of the following is not a physical property?
Color
Odor
State
Reactivity with oxygen
A type of matter formed by chemically joining two or more elements is known as
compound
solution
colloid
mixture
CaCO3 is an example of which type of matter?
Element
Compound
Heterogenous Mixture
Homogenous Mixture
The particles in a liquid are usually
closer together and lower energy than in a solid
farther apart and lower in energy than in a solid
farther apart and higher in energy than in a gas
closer together and lower in energy than in a gas
The Law of Conservation of Mass states:
Mass never stays constant
Mass is always added during a chemical change
Mass is always lost during a chemical change
Mass is not lost or created during a chemical change
Label whether the mixture is homogenous or heterogenous.
SALAD DRESSING
HOMOGENOUS
HETEROGENOUS
Label whether the mixture is homogenous or heterogenous.
SALTWATER
HOMOGENOUS
HETEROGENOUS
Label whether the mixture is homogenous or heterogenous.
TRAIL MIX
HOMOGENOUS
HETEROGENOUS
Label whether the mixture is homogenous or heterogenous.
GATORADE
HOMOGENOUS
HETEROGENOUS
Label whether the mixture is homogenous or heterogenous.
VEGETABLE SOUP
HOMOGENOUS
HETEROGENOUS
Label whether the mixture is homogenous or heterogenous.
HOT COCOA WITH MARSHMALLOWS
HOMOGENOUS
HETEROGENOUS
Label as a physical property or chemical property.
FRAGRANCE OF A FLOWER
PHYSICAL
CHEMICAL
Label as a physical property or chemical property.
ABILITY TO ROT
PHYSICAL
CHEMICAL
Label as a physical property or chemical property.
FLAMMABILITY OF A SUBSTANCE
PHYSICAL
CHEMICAL
Label as a physical property or chemical property.
DENSITY OF AN OBJECT
PHYSICAL
CHEMICAL
Label as a physical change or chemical change.
RUSTING OF A FISHING POLE
PHYSICAL
CHEMICAL
Label as a physical change or chemical change.
BURNING POPCORN
PHYSICAL
CHEMICAL
Label as a physical change or chemical change.
INFLATING A TIRE
PHYSICAL
CHEMICAL
Label as a physical change or chemical change.
BOILING WATER
PHYSICAL
CHEMICAL
2
heat of fusion
4
heat of vaporization
1
solid
3
liquid
5
gas
A graduated cylinder has 33.5mL of water. A piece of metal is added to the water and the new volume is now 46.2mL. If the metal has a mass of 16.25g, what is its density?
Use the provided terms to label the chart. Each word will only be used once.
The force or push that causes electric charges to move is called ______.
resistance
voltage difference
current
static electricity
A material through which electrons do NOT flow easily is a(n)
insulator
fuse
conductor
circuit breaker
What does the symbol labeled #1 represent?
light
battery
resistor
switch
What does the symbol labeled #2 represent?
light
battery
resistor
switch
Circuit ___ is wired in parallel, and circuit ___ is wired in series.
A;B
B;A
Circuit (a) is the type of circuit that causes an entire string of lights to go out when one of the bulbs burns out.
This contains a piece of metal that melts if it gets too hot in order to open a circuit.
conductor
insulator
fuse
circuit breaker
Electric charges always flow from (a) areas to (b) areas.
Opposite charges (a) . Like charges (b) .
Electric charge flows from (a) voltage to (b) voltage.
Draw a series circuit with two batteries, two resistors,
a light, and a switch to turn the whole thing off.
(This will be graded manually by me.)
Explain how lightning is created.
Include which type of electric charge transfer it is.
(This should have three main points described.
This question will not be graded until I manually grade it.)
The Law of Conservation of Charge states that _____
charge can be created and destroyed, but NOT transferred
charge cannot be created or destroyed, but it can be transferred
charge cannot be created or destroyed and it cannot be transferred
none of the above
(a) = positively charged particles in an atom
(b) = circuit that only has one pathway for current to travel through
(c) = a device that measures the voltage difference in a circuit
Which of the following statements is true about the pictured circuit?
There are 2 batteries, 2 switches, and 2 resistors.
There are 2 batteries, 2 switches, and 3 resistors.
There is 1 battery, 2 switches, and 3 resistors.
There are 3 batteries and 3 resistors.
Explain one way (we discussed two) to keep a circuit from overheating.
Explain = what is it, and how does it work?
(this will be manually scored after your test is submitted)
(a) = particles in the atom that have no charge
(b) = circuit that has more than one pathway for current to travel through
(c) = temporary magnet made by placing a piece of iron inside a current carrying coil of wire
An outlet has a current of 10 amperes and a resistance of 14 ohms.
Find the voltage difference.
(this will be manually scored after test is submitted)
Which symbol would represent a device that can easily turn the circuit on or off?
A
B
C
D
Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave
diffraction
reflection
absorption
refraction
Which is an example of a longitudinal (compressional) wave?
X-ray
gamma ray
sound wave
water wave
An echo is an example of sound wave ______
absorption
reflection
diffraction
refraction
Increasing the amplitude of a sound wave will make it ________.
louder
have a higher pitch
travel faster
produce beats
What is the matter through which a wave travels through called?
compression
amplitude
medium
frequency
Wave A carries more energy than wave B. Wave B must have a smaller (a) than wave A.
A tuning fork starts to vibrate when a certain note is played on the piano. This is an example of _____.
reflection
refraction
pitch
resonance
Sound waves travel the fastest in (a) .
What type of wave is pictured?
transverse
compression
longitudinal
sound
D
wavelength
B
amplitude
C
trough
A
crest
What is label B?
rarefaction
amplitude
compression
wavelength
What is label C?
rarefaction
amplitude
compression
wavelength
Which letters to indicate one wavelength?
a to e
b to d
a to b
a to i
What is the velocity of a wave having a frequency of 25 Hz
and a wavelength of 10m?
250 m/s
2.5 m/s
35 m/s
0.4 m/s
In 1 second, 4 crests of a wave pass a certain point. What is the wave's frequency?
0.25 Hz
0.25 m/s
4 Hz
4 m/s
The microwave in your kitchen operates at 2,358,000 Hz. If the speed of light is 300,000,000 m/s, what is the wave's period? What is its wavelength?
(NOTE: 2 part answer. This will be graded manually after your test is submitted.
HINT: it will be easier to write one of your answers with scientific notation.
DON'T FORGET LABELS.)
