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science review test

Total questions: 131

Worksheet time: 3hrs 6mins

Name
Class
Date
1.

is the capability or ability to do work

4 lines
2.

what are the 2 forms of Energy?

a)

Potential and kinetic

b)

potential and kinential

3.

the energy of an object at rest

a)

potential

b)

kinetic

c)

potentic

d)

kinetial

4.

Is the science of matter and its motion. The science that deals with concepts such as force,energy, mass, and charge

a)

Physics

b)

Energy

c)

Light

d)

Sound energy

5.

Who is Isaac Newton?

4 lines
6.

How many laws of motion are there?

a)

3

b)

4

c)

1

d)

2

7.

the amount of matter/the quantity of matter of an object.

a)

acceleration

b)

weight

c)

mass

d)

friction

8.

push and pull of an object

a)

acceleration

b)

weight

c)

mass

d)

force

9.

An object at rest will stay at rest, and an object in motion will stay in motion at a constant velocity unless acted upon by an unbalanced force.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Interaction

d)

Law of Deceleration

10.

the tendency to remain at rest

a)

Inertia

b)

Acceleration

c)

Interaction

d)

Deceleration

11.

the force between two surfaces sliding and gliding each other.

a)

acceleration

b)

weight

c)

mass

d)

friction

12.

movement of an object

a)

acceleration

b)

motion

c)

force

d)

deceleration

13.

the reduction of speed.

a)

acceleration

b)

deceleration

c)

force

d)

motion

14.

the rate of change of velocity of an object with respect to time.

a)

acceleration

b)

deceleration

c)

motion

d)

force

15.

describes the forces that are in opposition to the relative motion of an object as it passes through the air.

a)

mass

b)

air resistance

c)

weight

d)

deceleration

16.

Are the earth and moon have the same gravity? Why?

4 lines
17.

what is gravity's value

a)

9.9m/s2

b)

9.8m/s2

c)

9.7m/s2

18.

unit of force

4 lines
19.

unit of mass

4 lines
20.

unit of acceleration

4 lines
21.

True or FAlse, Acceleration is directly proportional to force

a)

True

b)

False

22.

True or False, Acceleration is inversely proportional to mass.

a)

True

b)

False

23.

What is the formula of force?

4 lines
24.

What is the formula o acceleration?

4 lines
25.

What is the formula of mass?

4 lines
26.

The greater the Inertia of an object, the greater the____

a)

inertia

b)

mass

c)

force

d)

gravity

27.

A force of 280 N is applied to an object that accelerates at a rate of 15 m/s2. What is the mass of the object?

a)

18.76 kg

b)

18.74 kg

c)

18.67 kg

d)

18.69 kg

28.

What is the acceleration of a 5 kg object pushed by a worker with a force of 750 Newtons?

a)

110 m/s2

b)

145 m/s2

c)

150 m/s2

d)

170 m/s2

29.

A 67.2-kg falling skydiver open his parachute and falls on the ground after 30 minutes. Find the weight of the skydiver.

a)

486.6 N

b)

658.56 N

c)

583.68 N

d)

679.50 N

30.

The Net force is not the vector sum of all the forces acting on an object.

a)

True

b)

False

31.

The constant value of the Earth’s gravity is the same as of the moon’s gravity.

a)

True

b)

False

32.

The first law of motion states that “the lesser the mass of an object, the greater its inertia.”

a)

True

b)

False

33.

The second law of motion states that “the acceleration of an object as produced by a net force is inversely proportional to the net force and directly proportional to the mass of the object.”

a)

True

b)

False

34.

Is it true that the third law of motion states that “for every action, there is always an equal and the same reaction”? Why?

4 lines
35.

A bicyclist pedaling up a hill.

a)

Kinetic energy

b)

Potential energy

36.

An archer with his bow drawn.

a)

Kinetic energy

b)

Potential energy

37.

A volleyball player spiking a ball.

a)

kinetic energy

b)

potential energy

38.

A baseball is thrown to second base.

a)

kinetic energy

b)

potential energy

39.

The chemical bonds in sugar.

a)

kinetic energy

b)

potential energy

40.

The wind blowing through your hair.

a)

kinetic energy

b)

potential energy

41.

Walking down the street.

a)

kinetic energy

b)

potential energy

42.

Give 2 examples of Nuclear energy

4 lines
43.

Give 2 examples of electrical energy

4 lines
44.

Give 2 examples of sound energy

4 lines
45.

Give 2 examples of mechanical energy

4 lines
46.

Give 2 examples of radiant energy

4 lines
47.

Give 2 examples of thermal energy

4 lines
48.

Give 2 examples of chemiacl energy

4 lines
49.

There is a bell at the top of a tower that is 50 m high. The bell weighs 9.25 kg. Calculate the potential energy of the bell.

4 lines
50.

A car is traveling with a velocity of 30 m/s and has a mass of 500 kg. Calculate the kinetic energy of the car.

4 lines
51.

Which among the following is an example of a "natural" light source?

a)

moon

b)

sun

c)

candle

d)

torch

52.

How do we see an object?

a)

Light reflects off the object and into our eyes

b)

Light reflects off our eyes and enters the object

c)

Light travels from our eyes and reflects off the object

d)

The object produces its own light

53.

The speed of light travels in a vacuum of space at a constant speed of:

a)

3.0 x 10^6m/s

b)

3.0 x 10^7 m/s

c)

3.0 x 10^8 m/s

d)

3.0 x 10^9 m/s

54.

Which of these statements is false?

a)

Light travels faster than sound

b)

Light travels in straight lines

c)

Light can pass through any material

d)

Light travels from the moon to our eyes in about 1 second

55.

A tiny bundle of particles of energy by which light travels is called _____________. *

a)

photons

b)

waves

c)

particles

d)

electro-magnetic field

56.

allows no light to pass through

a)

transparent

b)

translucent

c)

opaque

57.

allows light to pass through

a)

transparent

b)

translucent

c)

opaque

58.

allows a little light to pass through

a)

transparent

b)

translucent

c)

opaque

59.

The distance between one peak and the next in a wave is known as

a)

frequency

b)

wavelength

c)

amplitude

d)

trough

60.

The number of vibrations a wave makes in a given amount of time is a

a)

frequency

b)

wavelength

c)

amplitude

d)

trough

61.

Why do we see a blue object?

a)

The object absorbs blue light

b)

The object transmits blue light

c)

The object reflects blue light

d)

The object emits blue light

62.

How does frequency relate to the energy of the colors of light?

a)

Frequency is equal to the energy

b)

Frequency is directly proportional to the energy

c)

Frequency is transversely proportional to the energy

d)

Frequency is inversely proportional to energy

63.

This lake's water is so calm that it looks like a huge mirror on the ground. What property of light creates this optical illusion?

a)

Reflection

b)

Refraction

c)

Diffusion

d)

Polarization

64.

What property of light does happen when the head of the polar bear is no longer attached to its body?

a)

Diffraction

b)

Interference

c)

Reflection

d)

Refraction

65.

This object allows the light to pass around small obstacles and spreading out of waves through small openings called as _____________

a)

Refraction

b)

Diffraction

c)

Reflection

d)

Dispersion

66.

The separation of visible light into its different colors in a triangular prism is known as _____________. *

1/1

a)

Reflection

b)

Refraction

c)

Dispersion

d)

Diffraction

67.

A student placed a ruler in a cup of water. The ruler appears broken because light-

a)

Always travels in a straight line

b)

Bends when it passes through water

c)

Makes the water in the glass evaporate

d)

Reflects the pencil on the water's surface

68.

Why does the lower part of the child appear so much different in size from the upper part?

a)

The light rays that travel through water and then into air are enlarged

b)

The light rays that travel through air and then into water are reduced

c)

The light rays that travel through air and then into water are reflected

d)

The light rays that travel through water and then into air are refracted

69.

The ray of light that strikes a reflecting surface is called ________.

a)

Incident ray

b)

Reflected ray

c)

normal ray

d)

none

70.

The imaginary line perpendicular to a reflecting surface is called _____. *

a)

transverse line

b)

angular line

c)

parallel line

d)

normal line

71.

The angle produced as a source of light bounces off a reflecting surface is called ______.

a)

angle of reflection

b)

angle of refraction

c)

angle of incidence

d)

angle of accidence

72.

What do you call that divides the angle between the incident ray and the reflected ray into two equal angles?

a)

incident ray

b)

reflected ray

c)

reflecting surface

d)

normal line

73.

What is the angle between the incident ray and the normal line?

a)

angle of incidence

b)

angle of reflection

74.

What is the angle between the reflected ray and the normal line?

a)

angle of incidence

b)

angle of reflection

75.

If the angle of incidence is 45 degree, what is the angle reflection?

a)

45 degree

b)

90 degree

c)

180 degree

d)

360 degree

76.

It is a ray of light that hits or strikes a surface?

a)

reflected ray

b)

incident ray

c)

angle of incidence

d)

angle of reflection

77.

Law of reflection states that, "the angle of incidence is ____________ to the angle of reflection.

a)

equal

b)

half

c)

quarter

d)

double

78.

How many electromagnetic waves are there? States those.

4 lines
79.

Has the shortest wavelength

a)

radiowaves

b)

microwaves

c)

x-rays

d)

gamma rays

80.

The waves with the HIGHEST energy in the electromagnetic spectrum is ________________

a)

infrared

b)

visible light

c)

x-rays

d)

gamma rays

81.

Cellular telephones utilize ...

a)

radiowaves

b)

microwaves

c)

infrared

d)

visible light

82.

Which is an example of X-ray?

a)

money scanner

b)

radar

c)

airport scanner machine

d)

laser

83.

Which among the following is NOT an example of Infrared radiation?

a)

thermal imaging cameras

b)

remote controls

c)

laser

d)

light bulb

84.

wolves are what part of the electromagnetic spectrum

a)

infrared light

b)

x-ray

c)

ultraviolet light

d)

visible light

85.

Energy can neither be created nor destroyed, but can only be transferred..

a)

True

b)

False

86.

the capacity or the ability to do work

a)

energy

b)

sound

c)

light

d)

force

87.

formula of kinetic energy

4 lines
88.

formula of potential energye

4 lines
89.

is attributed to mass and position

a)

potential energy

b)

kinetic energy

90.

is associated with mass and speed

a)

potential energy

b)

kinetic energy

91.

Potential and kinetic energy are constantly transforming back and forth.

a)

True

b)

False

92.

Give the three instruments in sound energy

4 lines
93.

If no change in energy occurs, then work is done. Therefore, whenever work is done, there is no change in energy.

a)

True

b)

False

94.

He is an English physicist who established that the various forms of energy, such as electrical and heat.

4 lines
95.

it is the highness and the lowness of sound

a)

pitch

b)

sound

c)

voice

96.

Low pitch has _____wavelength

a)

short

b)

long

97.

high pitch have________wavelength

a)

short

b)

long

98.

the number of vibrations in one second

a)

frequency

b)

wavelength

c)

amplitude

d)

trough

99.

The higher the amplitude, the louder the sound

a)

true

b)

false

100.

the lower the amplitude, the softer the sound

a)

true

b)

false

101.

it is measured using sound level meter

4 lines
102.

unit for measuring the volume

4 lines
103.

what kind of sound energy do the dolphins use?

4 lines
104.

What are the three forms of matter

4 lines
105.

Sound can travel through a vacuum

a)

true

b)

false

106.

What kind of matter travels faster in sound/

a)

solid

b)

liquid

c)

gas

107.

What form of matter travels the slowest

4 lines
108.

what are the 2 laws of reflection

4 lines
109.

can reflect multiple images

a)

diffuse

b)

interference

110.

when waves meet together are called as.

a)

constructive waves

b)

destructive waves

111.

when the waves are compressed or too near

to each other

a)

compression

b)

rarefraction

c)

rarefaction

d)

compresion

112.

can transfer any form of energy, sound wave, light, and heat.

a)

medium

b)

force

c)

motion

d)

vacuum

113.

these are the refected sound waves

4 lines
114.

height of the waves

a)

wavelength

b)

amplitude

c)

trough

d)

crest

115.

the persistence of sound caused by multiple

reflections.

a)

reverberation

b)

reflection

c)

refraction

d)

interference

116.

the bending of sound waves in two different media

a)

reverberation

b)

reflection

c)

refraction

d)

interference

117.

occurs when a sound wave bends as it passes through

a small opening.

a)

reflection

b)

reverberation

c)

diffraction

d)

interference

118.

the interaction between two or more sound waves.

a)

diffraction

b)

interference

c)

reverberation

d)

reflection

119.

What are the two types of interference?

4 lines
120.

equal or level ang distance sa each other

para ang madunggan kay equal ra

a)

constructive interference

b)

destructive interference

121.

occurs when the wave amplitudes oppose each other, resulting in waves of reduced amplitude.

a)

constructive interference

b)

destructive interference

122.

is used in ships. one way to find a ship wreck

4 lines
123.

refers to the sound with ultrasonic waves

4 lines
124.

SONAR means

4 lines
125.

RADAR means

4 lines
126.

what is the normal range of hearing?

4 lines
127.

what is the unit of frequuenc?

4 lines
128.

measures sound frequency

a)

decibel

b)

volume

c)

frequency

d)

hertz

129.

this is what the construction workers use in order to reduce the noise

4 lines
130.

a form of energy made by vibrations

a)

sound

b)

sound waves

c)

sound energy

131.

large wavelengt= _______diffraction

a)

small

b)

large

c)

loud

d)

quiet

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