WorksheetsPhysical Science Fall 2020 Final Exam Review
Total questions: 25
Worksheet time: 13mins
What is the independent variable on this graph?
only flow time (s)
only temperature (°C)
both flow time(s) and temperature (°C)
The block in this ullustraion is floating in water, which has a density of 1.00 g/cm3.
What is a good estimate of the density of the block if about 30 percent of the block is below water?
0.30 g/cm3
0.60 g/cm3
0.90 g/cm3
1.00 g/cm3
Which term best describes movement in a specific direction?
velocity
scalar
vector
pull
Which term is equal to velocity change per second?
velocity
gravity
speed
acceleration
The purple arrow on the graph shows speed and direction.
What is this arrow called?
a vector
a force arrow
a speed arrow
an acceleration arrow
What is equal and opposite, according to Newton's third law?
change in velocity
change in acceleration
reaction
action
Why does light refract (or bend), as shown in the illustration?
It slows down.
It speeds up.
It gains energy.
It reflects light.
Which term is defined by the interaction between two charged particles?
gravity
nuclear force
intermolecular forces
electromagnetism
What will happen in the diagram if a light bulb placed at D and B is closed?
The light bulb will be dimmer than normal.
The light bulb will be short circuited.
The light bulb will be on.
The light bulb will be off.
Which kind of energy is stored in compounds and released in reactions?
kinetic
electrical
potential
chemical
Which kind of energy does matter have when it is in motion?
kinetic
intermolecular
potential
atomic
What happens that allows liquid to turn into gas when water is boiling?
The molecules form strong bonds and can then evaporate.
The molecules have a lot of energy and overcome forces that hold them together.
The molecules have very little energy and disperse in a gas.
How is radiation different from convection and conduction?
It can travel through empty space.
It can travel through matter.
It can travel through water.
Which point on the graph shows a temperature of 40°C and a time of 25 minutes?
A
B
C
What will the temperature be after 45 minutes according to the trend line on the graph?
10°C
15°C
20°C
35°C
What do simple machines increase?
movement
mechanical advantage
gravity
force
Which term defines the distance from crest to crest or from trough to trough in a wave?
crest
amplitude
wavelength
frequency
Which letter represents the part of the lever in the photo that is the fulcrum?
A
B
C
D
How would the photo's setup change the mechanical advantage of lifting the block as compared with lifting the block without a lever?
The mechanical advantage would increase, making the block easier to lift.
The mechanical advantage would remain the same.
The mechanical advantage would decrease, making the block more difficult to lift.
Which definition describes work?
holding 1 kg mass
holding a 1 kg mass for 1 hr
moving 1 m in 1 hr
lifting a 1 kg mass 1 m
What has to increase in order for an object to accelerate?
the force applied to the object
the mass of the object
the weight of the object
Which option is a copper wire a good example of?
a magnet
a conductor
an insulator
What will happen to the pitch when a car with a blowing horn is approaching, according to the Doppler effect?
It will increase.
It will decrease.
It will stay the same.
What is the Celsius temperature scale is based on?
air temperature
the human body
the boiling and freezing points of water
vapor
What is the best definition of physical science?
the study of matter and energy and the relationship between matter and energy
a general survey of all science
the study of rocks, minerals, and resources
the study of the environment and interaction between living things
