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WorksheetsPhysical Science Sem 2 Final Review
Total questions: 65
Worksheet time: 33mins
Which letter shows a rarefaction?
A
B
C
Which letter shows a compression?
A
B
C
Which letter shows a wavelength?
A
B
C
Electrical wires sometimes have a plastic coating wrapped around them. How does this make the wires safer to handle?
Plastic is smooth and not easily frayed
Plastic will melt if the wires overheat
Plastic does not react chemically with air
Plastic is a good insulator
Is chemical energy a type of potential or kinetic energy?
Potential
Kinetic
Is elastic energy a type of potential or kinetic energy?
Potential
Kinetic
Is gravitational energy a type of potential or kinetic energy?
Potential
Kinetic
Is nuclear energy a type of potential or kinetic energy?
Potential
Kinetic
Is radiant energy a type of potential or kinetic energy?
Potential
Kinetic
Is thermal energy a type of potential or kinetic energy?
Potential
Kinetic
Which of Newton's Laws says: An object at rest stays at rest while an object in motion stays in motion
First
Second
Third
Which of Newton's Laws says: For every action, there is an equal and opposite reaction
First
Second
Third
Which of Newton's Laws says: Force is related to mass and acceleration (F=ma)
First
Second
Third
Why are fossil fuels (such as coal and gas) considered to be nonrenewable resources?
They are being used faster than they are produced
They are being used as fast as they are produced
They contain hydrocarbons
They are no longer being produced
Waves transfer...
Matter and energy
Energy only
Matter only
Which of the following is a type of wave?
Crest
Frequency
Seismic
Trough
True or False: All objects in the universe attract one another
True
False
The amount of matter in something determines its
Energy
Magnetism
Mass
Weight
The negatively charged particles in an atom are the...
negatrons
protons
neutrons
electrons
When a rollercoaster rides along its tracks, the tracks get really hot. Which force explains the phenomenon?
Frictional Force
Air Resistance Force
Normal Force
Tension Force
Which type of energy is associated with moving objects or objects that could move later?
Thermal
Radiant/Light
Electromagnetic
Mechanical
Which type of energy from waves such as light, radio, or x-rays?
Thermal
Radiant/Light
Electromagnetic
Mechanical
Which type of energy is associated with heat?
Thermal
Radiant/Light
Electromagnetic
Mechanical
Which type of energy is associated with moving electrons and magnetism?
Thermal
Radiant/Light
Electromagnetic
Mechanical
A(n) _____ is formed by placing a piece of iron inside a current carrying wire
electromagnet
force of gravity
pole
current
What is the net force on this box?
18 N right
0 N
5 N left
9 N left
A magnet exerts a force on...
magnets
magnetic materials
charged objects
non-magnetic materials
As the size of two charges (q) increases, the force between them...
increases
decreases
stays the same
Which part of the electromagnetic spectrum can we see?
UV rays
Visible light
Microwave
Infrared rays
A(n) ____ is a push or a pull that one body exerts on another
acceleration
force
motion
velocity
____ is a measure of average kinetic energy
Temperature
Heat
Thermal energy
Total energy
What type of energy does a skydiver falling towards earth have?
Kinetic only
Potential only
Kinetic and potential
In which medium would sound travel most quickly?
Liquid
Solid
None (i.e. space)
Gas
What is the gravitational potential energy of a dictionary that has a mass of 5.0 kg and is located 2.0 m above the ground (g = 10)
GPE = mgh
100 J
200 J
5 J
2 J
If charges have the same sign (e.g. both positive), they...
attract
repel
If charges have the opposite sign (e.g. one positive, one negative), they...
attract
repel
The total kinetic and potential energy of the particles in matter is its
absolute value
heat
temperature
thermal energy
Sounds are produced by
frequencies
vibrations
reverberations
pitch
True or False: At the same temperature, 1 kg of water has the same amount of energy as 2kg of water
True
False
Does the following scenario best represent Newton's first, second, or third law:
A full garbage truck takes 15 seconds to reach 30 mph. An empty garbage truck takes 5 seconds to reach the same speed
First
Second
Third
As the distance between two objects increase, the force of gravity between them...
increases
decreases
What is the force required to throw a baseball that has a mass of 1kg with an acceleration of 30 m/s2? (F=ma)
30 N
3 N
90 N
15 N
As the mass of an object increases, the force of gravity
increases
decreases
A student slides down a straight slide. Assuming there is no friction, at which location on the slide does the student have the greatest amount of kinetic energy?
At the top of the slide
In the middle of the slide
At the bottom of the slide
It's equal at all parts of the slide
Does the following scenario best represent Newton's first, second, or third law:
A cannon moves backward after firing
First
Second
Third
Which of the following is a force?
Friction
Velocity
Inertia
Acceleration
The ____ is the combination of all forces acting on an object
inertia
direction of motion
force pair
net force
Which term best describes the forces on an object with a net force of zero?
Balanced forces
Unbalanced forces
Acceleration
Inertia
The graph shows the kinetic energy of a falling rock. At what time does the rock hit the ground?
1s
2s
3s
4s
Which depends on gravity: mass or weight?
Weight
Mass
What type of energy is the energy stored in the nucleus of an atom
Nuclear
Gravitational
Elastic
Chemical
What type of energy is the energy stored in chemical bonds?
Nuclear
Gravitational
Elastic
Chemical
What type of energy is the energy an object has because of its height above the ground?
Nuclear
Gravitational
Elastic
Chemical
What type of energy is the energy stored in a stretched or pressed object?
Nuclear
Gravitational
Elastic
Chemical
Which type of heat transfer is does not require matter?
Convection
Conduction
Radiation
Which type of heat transfer is through the direct contact of particles?
Convection
Conduction
Radiation
Which type of heat transfer is through the movement of matter?
Convection
Conduction
Radiation
Which of the metals pictured is the best conductor of thermal energy?
Nickel
Copper
Iron
Brass
The regions on a magnet where the magnetic force is the strongest is called the ____
north side
center
electromagnet
pole
If a skater sits at the top of a ramp, not moving, with a potential energy of 200J, what will their energy be at the bottom of the hill?
100 J
200 J
0 J
400 J
Does the following scenario best represent Newton's first, second, or third law:
A magician can do the tablecloth trick by quickly pulling the table cloth out, leaving the dishes undisturbed
First
Second
Third
A girl on a roller skates accelerates at a rate of 5 m/s2 with a force of 250 N. What is her mass? ( m = f/a)
50 kg
5 kg
25 kg
10 kg
A book sliding across a horizontal table slows down and comes to a stop. The book's kinetic energy was converted into what form of energy?
Mechanical
Gravitational
Thermal
Chemical
Which of the following cannot happen, according to the law of conservation of energy?
Energy cannot be converted
Energy cannot be changed
Energy cannot be created
Energy cannot be destroyed
Which types of waves can travel through a vacuum (e.g. space)?
Seismic
Light
Mechanical
Sound
