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Science Final

Total questions: 70

Worksheet time: 50mins

Name
Class
Date
1.

What is a change of velocity?

a)
Distance traveled by an object
b)
Acceleration of an object
c)
The speed of an object
d)

The rate of acceleration

2.

how do you calculate momentum?

a)
Momentum = mass + velocity
b)
Momentum = mass - velocity
c)
Momentum = mass / velocity
d)
Momentum = mass x velocity
3.

How do two objects of different masses have the same momentum?

a)
Momentum is not conserved in such cases
b)
Objects with different masses cannot have the same momentum
c)
Different masses with different velocities can result in the same momentum.
d)
Momentum is only determined by mass, not velocity
4.

  1. If someone is walking at a constant velocity in the same direction, what would be the acceleration? 

a)
0 m/s^2
b)
1 m/s^2
c)
10 m/s^2
d)
5 m/s^2
5.

True/False: If forces are balanced, the net force on an object is zero.

a)
False
b)
True
6.

  1. How much force is required to lift a 10 N object off the floor?

a)

10 N Upward

b)

9N Upward 

c)

 Cannot be determined

d)

11 N Upward

7.

What is normal force?

a)
Normal force is the force exerted by a surface to support the weight of an object resting on it.
b)
Normal force is the force that causes an object to accelerate.
c)
Normal force is the force exerted by an object to push another object.
d)
Normal force is the force of gravity acting on an object.
8.

  1. Identify the false statement about action-reaction force pairs. 

a)

They always come in pairs.

b)

  1. They are always equal.

c)

They always act on one object.

d)

 They always occur at the same time.

9.

Newton first law of inertia states

a)
An object at rest will accelerate indefinitely.
b)
An object in motion will stop immediately.
c)
An object at rest will move at a constant speed.
d)
An object at rest will remain at rest, and an object in motion will remain in motion unless acted upon by an external force.
10.

what is the momentum of an object at rest?

a)
Negative
b)
One
c)
Zero
d)
Infinity
11.

  1.  The tendency of an object to resist a change in its state of motion is:

a)
Motionless
b)
Acceleration
c)
Friction
d)
Inertia
12.

What will happen if there is an unbalanced force on an object?

a)
The object will accelerate in the direction of the greater force.
b)
The object will disappear
c)
The object will move in the opposite direction of the force
d)
The object will remain stationary
13.

What types of forces act on an object moving at constant speed?

a)

balanced

b)

unbalanced

14.

If there is no movement in either direction in a tug-of-war, what can be stated about the forces?

a)
The forces are balanced or equal.
b)
The forces are perpendicular.
c)
The forces are parallel.
d)
The forces are unbalanced.
15.

Which term best describes the forces on an object with a net force of zero?

a)
Unbalanced forces
b)
Equal forces
c)
Balanced forces
d)
Opposing forces
16.

What is Newton’s Second Law of Motion equation?

a)
F = ma
b)
F = ma^2
c)
F = m^2a
d)
F = mv
17.

What would be a sufficient Newton Law explanation of forces if you hit a wall?(apply a force to a wall)

a)
You bounce back with double the force
b)
The wall absorbs the force and disappears
c)
The wall moves out of the way to avoid the force
d)
The wall exerts an equal and opposite force back on you.
18.

What happens to a skateboarder when the skateboard hits a rock and suddenly stops?

a)
The skateboarder will fly into the air
b)
The skateboarder will merge with the skateboard
c)
The skateboarder will teleport to safety
d)
The skateboarder will be thrown off the skateboard.
19.

Which Newton’s Law applies to a  when the skateboard hits a rock and suddenly stops?

a)
Newton's Second Law of Motion
b)
Newton's First Law of Motion
c)
Newton's Third Law of Motion
d)
Newton's Law of Universal Gravitation
20.

How much force is required to move a 10,000 kg truck with an acceleration of 5 m/s2?

a)
40,000 N
b)
50,000 N
c)
25,000 N
d)
60,000 N
21.

What variable from Newton’s 2nd Law is most important when considering how much force would be used to speed up or slow down a vehicle speeding up or slowing down at a set rate?

a)
velocity
b)
acceleration
c)
mass
d)
distance
22.

The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.

a)
Magnetism
b)
Gravity
c)
Wind resistance
d)
Friction
23.

Two factors affecting the magnitude of the force of gravity between 2 objects are…

a)
Speed of the objects and time of day
b)
Color of the objects and shape of the objects
c)
Mass of the objects and distance between them
d)
Temperature of the objects and material of the objects
24.

  1. Gravity attracts all objects towards one another due to a gravitational field. True/False

a)
False
b)
True
25.

As the distance between two objects increases, the strength of the pull of gravity

a)
decreases
b)
becomes repulsive
c)
stays the same
d)
increases
26.

Two objects move toward each other due to gravity.  As they get closer their attraction

a)
decreases
b)
remains constant
c)
becomes repulsive
d)
increases
27.

Keplers First Law

a)

law of inertia

b)

law of eath

c)

law of gravissy

d)

law of elipse

28.

  1.  Kepler’s first law states that the planets move in _____________l orbits with the _________ at one focus. 

a)
elliptica; Sun
b)
rectangular; Moon
c)
circular; Earth
d)
parabolic; Jupiter
29.

  1. Keplers first law describes the motion of the ____________ planets.

a)
moons
b)
stars
c)

orbits

d)
galaxies
30.

Keplers second law

a)

law of equal area

b)

law of equal distance

c)

law of inertia

d)

law of elipsis

31.

  1. Planet sweeps out ________ amounts of _______ in equal _____________ of ____________

a)
volume, space, segments, space
b)
distance, speed, portions, speed
c)
circumference, distance, sections, distance
d)
area, time, intervals, time
32.

  1. Planets move faster when ____________ to the Sun and _____________ when farther away 

a)
closer, slower
b)
closer, stationary
c)
farther, slower
d)
closer, faster
33.

  1. _________

  1. Perihelion means _________________________________

  2. Aphelion means __________________________________

a)
Aphelion means the point in the orbit of a planet where it is closest to the sun.
b)
Perihelion means the point in the orbit of a planet where it is farthest from Earth.
c)
Perihelion means the point in the orbit of a planet where it is farthest from the sun.
d)
Perihelion means the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun. Aphelion means the point in the orbit of a planet, asteroid, or comet at which it is farthest from the sun.
34.

Keplers trird law is called

a)
Newton's Law
b)

law of harmonies

c)
Law of Harmonies
d)
Einstein's Law
35.

  1. The distance a planet is from the Sun determines the planet's orbital ___________and ______________

a)
period and speed
b)
shape and color
c)
mass and temperature
d)
distance and direction
36.

Earth is nearest the Sun in ________________ and farthest away in _____________.

a)
April, October
b)
June, December
c)
January, July
d)
March, September
37.

Earth is nearest the Sun in winter and farthest away in summer. WHy?

a)
The Earth's rotation speed changes based on the season, affecting the distance from the Sun
b)
The Sun's gravitational pull is stronger in winter, pushing Earth closer
c)
Earth's orbit around the Sun is a perfect circle, causing the distance to vary
d)
Earth's orbit around the Sun is elliptical, and its tilt causes the seasons to be opposite in the Northern and Southern Hemispheres.
38.

  1. At perihelion the object moves at ______________ speed.

  1. At aphelion the object moves at _______________ speed.

a)
Mediumest
b)
Fastestest
c)
Slowestest
d)
Fastest, Slowest
39.

How do like charges affect each other?

a)
Like charges repel each other.
b)
Like charges cancel each other out.
c)
Like charges have no effect on each other.
d)
Like charges attract each other.
40.

How do unlike charges affect each other?

a)
Unlike charges attract each other.
b)
Unlike charges repel each other.
c)
Unlike charges have no effect on each other.
d)
Unlike charges cancel each other out.
41.

  1. How does distance affect the strength of the electric field between two like charges?   

a)
The strength of the electric field decreases with distance.
b)
Distance has no impact on the electric field strength.
c)
The electric field remains constant regardless of distance.
d)
The strength of the electric field increases with distance.
42.

What is a crest

a)
A musical instrument.
b)
The highest point of a wave or a hill.
c)
A type of bird species.
d)
The lowest point of a wave or a hill.
43.

what is wavelength

a)
Wavelength is the speed of light in a vacuum.
b)
Wavelength is the number of waves per second.
c)
Wavelength is the amplitude of a wave.
d)
Wavelength is the distance between two consecutive points of a wave that are in phase.
44.

what is trough

a)
A trough is a type of vehicle used for transportation.
b)
A trough is a type of hat worn in the winter.
c)
A trough is a container used to hold water or feed for animals.
d)

the bottom of a wave

45.

what is amplitude on a wave

a)
The amplitude on a wave is the wavelength of the wave
b)
The amplitude on a wave is the measure of the maximum disturbance in the medium from its undisturbed position.
c)
The amplitude on a wave is the speed of the wave
d)
The amplitude on a wave is the frequency of the wave
46.

Higher frequency waves will have _________ wavelengths.

a)
shorter
b)
thicker
c)
wider
d)
longer
47.

  1. Through which phase of matter would the mechanical wave be the fastest?

a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
48.

Do frequency or wavelength change in different media?

a)
Both frequency and wavelength change.
b)
Neither frequency nor wavelength change.
c)
Frequency changes, wavelength remains constant.
d)
Wavelength changes, frequency remains constant.
49.

How does sound travel through different mediums?

a)
Sound travels through different mediums by emitting light
b)
Sound travels through different mediums by creating vibrations in the particles of the medium.
c)
Sound travels through different mediums by changing colors
d)
Sound travels through different mediums by evaporating
50.

The speed of a sound wave increases as it travels through a material that is more dense. The frequency of the sound remains constant. What else would change because of the increase in speed and how does it change?

a)

The amplitude of the sound wave

b)
The speed of light in the material decreases
c)
The pitch of the sound wave increases
d)
The amplitude of the sound wave decreases
51.

The process of a wave bending upon entering a new medium is called..

a)
Diffraction
b)
Refraction
c)
Reflection
d)
Absorption
52.

  1. Which electromagnetic wave has the highest energy?

a)
Ultraviolet ray
b)
X-ray
c)
Infrared ray
d)
Gamma ray
53.

List the colors of visible light from lowest to highest frequency and energy.

a)
violet, indigo, blue, green, yellow, orange, red
b)
blue, green, yellow, orange, red, violet, indigo
c)
green, yellow, orange, red, violet, indigo, blue
d)
red, orange, yellow, green, blue, indigo, violet
54.

In a sound wave which property coincides with an increase in volume

a)
Amplitude
b)
Frequency
c)
Wavelength
d)
Velocity
55.

  1. What happens to wave frequency and wavelength when the wave receptor is moving towards the wave source?

a)
Frequency decreases, wavelength increases
b)
Frequency remains constant, wavelength decreases
c)
Frequency increases, wavelength remains constant
d)
Frequency increases, wavelength decreases
56.

What happens to wave frequency and wavelength when the wave source is moving away from the wave receptor?

a)
Frequency remains constant, wavelength increases
b)
Frequency remains constant, wavelength decreases
c)
Frequency increases, wavelength remains constant
d)
Frequency decreases, wavelength decreases
57.

  1. What happens to wave frequency and wavelength when both the wave source and wave receptor are moving relative to each other?

    1. Towards-

    2. Away-

a)

Towards- Frequency decreases, Wavelength decreasesAway- Frequency decreases, Wavelength increases

b)

Towards- Frequency increases, Wavelength increasesAway- Frequency decreases, Wavelength increases

c)
Towards- Frequency increases, Wavelength decreases; Away- Frequency decreases, Wavelength increases
d)

Away- Frequency increases, Wavelength decreasesAway- Frequency decreases, Wavelength increases

58.

Gravitational Potential Energy of an object is dependent on ____________ and ______________   

a)
density and volume
b)
speed and direction
c)
color and texture
d)
mass and height
59.

Kinetic Energy of an object is dependent on __________________ and _______________

a)
temperature and pressure
b)
mass and velocity
c)
force and acceleration
d)
density and volume
60.

the Law that states energy cannot be created or destroyed is known as ___________

a)
Law of Energy Transformation
b)
Law of Energy Creation
c)
Law of Energy Destruction
d)
Law of Conservation of Energy
61.

Acceleration occurs when an object does any of the following EXCEPT

a)

slow down

b)

speed up

c)

changes direction

d)

maintains a constant velocity

62.

If frequency is doubled, what happens to the wave speed?


a)


  • Wave speed is doubled

b)


  • Wave speed is quadrupled

c)

Wave speed is reduced by half

d)


  • Wave speed stays the same

63.

To move or swing back and forth at an even speed is called to _____________________.

a)

wave

b)


  • vibrate

c)


  • oscillate

d)


  • transverse

64.

Which of the following types of waves require a medium to move?

a)

  • Radio wave

b)


  • X-ray

c)

  • light wave

d)


  • Sound wave

65.

Which of the following experiments would help to determine which medium a dolphin's sonar waves  would move the fastest?

a)

  • Comparing the speed of the sonar wave of a bat, who lives on land, to the sonar wave of a dolphin.

b)

Comparing the amplitude of a freshwater vs saltwater dolphins sonar wave.

c)

Measuring the speed of a dolphin's sonar wave after changing the pressure in their tank.

d)


  • Comparing the wave speed of a freshwater vs saltwater dolphins sonar wave.

66.

Sound waves are all 

a)
Longitudinal waves
b)
Mechanical waves
c)
Electromagnetic waves
d)
Transverse waves
67.

What information would you need to use Kepler's 1st law of motion be used to calculate the eccentricity of Saturn?

a)


  • The distance between the foci and the major axis

b)

The number of foci and the major axis length

c)


  • The length of the minor axis and the distance between each foci

d)


  • The orbital period and the distance between each foci.

68.

Energy pie charts are meant to model which of the following concepts? Select all that apply

a)


  • To show how energy is transferred within a system

b)


  • To show how energy is stored within a system

c)


  • To show how energy is lost

d)


  • To show objects in a system and how they interact

69.

True or False: Energy that comes from the surroundings into the system contradicts the law of conservation of energy

a)
False
b)
True
70.

Which of the following best describes the purpose of a system schema

a)


  • To show all energy transfers in a system

b)

To show how energy is lost in a system

c)


  • To show the percentage of each form of energy present in a system

d)

To show objects within a system and how they interact

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