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Worksheets

ZFEO

Total questions: 178

Worksheet time: 3hrs 42mins

Name
Class
Date
1.
Sound is caused by....
a)
molecules
b)
vibrations
c)
people
d)
space
2.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
3.
What medium does sound travel through slowest?
a)
gas
b)
solid
c)
liquid
d)
trees
4.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
5.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
6.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
7.
What medium (solid, liquid, gas) does sound travel fastest through?
a)
solid
b)
liquid
c)
gas
8.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
9.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
10.
Sound waves are all of the following EXCEPT
a)
it requires a medium
b)
 high and low
c)
soft or loud
d)
only high frequency
11.
A reflected sound wave
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
12.
A wave that requires a medium through which to travel
a)
mechanical wave
b)
chemical wave
c)
electromagnetic wave
d)
pitch
13.
Which statement about sound waves is true? 
a)
Air travels with them
b)
They travel through a vacuum
c)
They exist only if heard
d)
They can be reflected. 
14.
If distance C on the diagram decreased, what would happen to the pitch? 
a)
The volume would be louder. 
b)
The volume would be softer. 
c)
The pitch would be higher. 
d)
The pitch would be lower. 
15.
If the distance represented by the letter A were decreased, how would it change the way the sound was heard?
a)
The sound would be higher. 
b)
The sound would be lower. 
c)
The sound would be softer. 
d)
The sound would be louder. 
16.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)
pitch
d)
amplitude
17.
A medium is...
a)
a substance that transmits waves.
b)
a requirement for transmission of light waves.
c)
the movement of material in front of a sound wave.
d)
the density of air in a particular setting.
18.
What does pitch depend on?
a)
amplitude 
b)
frequency
c)
intensity 
d)
volume of sound
19.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
20.
True or False: Sound travels faster through solids than through liquids
a)
True 
b)
False
21.
Which medium will transmit sound the fastest?
a)
ocean water
b)
solid iron
c)
perfumed air
d)
a sponge
22.
Which of the following can sound travel through?
a)
solid
b)
liquid
c)
gas
d)
all of the above
23.
Which of the following sound waves represents a dolphin's loud and high pitched whistle. 
a)
Wave 1
b)
Wave 2
c)
Wave 3 
24.
Which of the following sound waves represents an angry dog's low pitched and loud growl (Grrrrr-ruff)? 
a)
Wave 1
b)
Wave 2
c)
Wave 3 
25.
What state of matter allows sound to travel the slowest?
a)
Solid
b)
Liquid 
c)
Gas
d)
Doesn't Matter
26.
Sound is able to travel faster in solids than in air because the molecules in a solid are
a)
closer together than air molecules
b)
more easily moved than air molecules
c)
moving faster than air molecules moving faster than air molecules
d)
larger than air molecules
27.
Can sounds travel through liquids?
a)
Yes
b)
No
28.

What is sound?

a)

The energy in the form of colors you see.

b)

The energy in the form of vibrations that can be heard.

c)

The energy that can be heard.

d)

The energy that moves.

29.

What is volume?

a)

The intensity of a sound.

b)

How low or high a sound is.

c)

Something we measure in math.

d)

How loud a sound is.

30.

What is pitch?

a)

How loud or soft a sound is.

b)

When you throw a baseball.

c)

How high or low sound is.

d)

The sound that you hear.

31.

A sound with a higher frequency has a higher ______.

a)

volume

b)

pitch

c)

note

d)

amplitude

32.

A sound with a _________ frequency will have a _________ pitch.

a)

lower, higher

b)

higher, loud

c)

higher. lower

d)

lower, lower

33.

Frequency is ________

a)

how high the volume of a sound is.

b)

the number of waves that passes a given point per second.

c)

how big the wave is.

34.

Sound can be affected by:

a)

pitch

b)

music

c)

volume

d)

touch

35.

Pitch tells you if a sound is:

a)

low or high

b)

loud or soft

c)

deep or wide

d)

wavy or straight

36.

Volume tells you if a sound is:

a)

wavy or straight

b)

deep or wide

c)

low or high

d)

loud or soft

37.

The number of waves that passes a given point per second is __________

a)

volume

b)

frequency

c)

pitch

d)

sound

38.
What body part helps us hear?
a)
eyes
b)
nose
c)
ears
d)
mouth
39.
Which of the following is true about sound?
a)
All sounds are soft
b)
All sounds are loud
c)
All sounds are made when matter vibrate
d)
Some sounds are so loud you cannot hear them
40.
What happens if you make the string of a violin vibrate?
a)
It evaporates
b)
It dissolves
c)
It makes a sound
d)
Nothing happens
41.
When would wind chimes make the loudest sound?
a)
soft breeze
b)
no wind
c)
strong winds
42.
A cricket makes sound by rubbing one wing against its other wing.  What vibrates to make the sound?
a)
The cricket's antennae
b)
The cricket's tail
c)
The cricket's wings
d)
The cricket's mouth
43.
Will sound travel through air, water, milk, or metal the fastest?
a)
air
b)
milk
c)
water
d)
metal
44.
Hitting a tambourine with less force will make the sound_______.
a)
softer
b)
higher in vibration
c)
higher in pitch
d)
louder
45.
Charlie is learning to play the guitar.  He discovered that he could change the pitch of the sound made by the guitar.  How did he do this?
a)
By changing the amount of time he played a note.
b)
By standing up and sitting down while playing
c)
By tightening or loosening the strings
d)
By singing along with the guitar
46.
If you want to make a really loud sound with a whistle you would blow ________.
a)
softer
b)
harder
47.
If you want to make a soft sound with a whistle you would blow _______.
a)
harder
b)
lightly
48.

A student is conducting an experiment with four different types of mirrors. Which mirror in the experiment converges light and UP CLOSE, produces an upright, magnified image of the candles? (hint: no two mirrors are the same)

a)

mirror 1

b)

mirror 2

c)

mirror 3

d)

mirror 4

49.

A student is conducting an experiment with four different types of mirrors. Which mirror in the experiment is a convex mirror?

a)

mirror 1

b)

mirror 2

c)

mirror 3

d)

mirror 4

50.

The above lens is a type of ___.

a)

diverging lens

b)

converging lens

c)

divergent lens

d)

convergent lens

51.

Which lens represents the path light takes through a diverging lens?

a)
b)
c)
d)
52.

Which figure represents the path light takes through a converging lens?

a)
b)
c)
d)
53.

The image of an object, which is placed one foot in front of a plane mirror, will be ___.

a)

behind the mirror and reversed, left to right.

b)

behind the mirror.

c)

in front of the mirror and reversed, left to right.

d)

in front of the mirror.

54.

Which optical device bends light inward?

a)

convex lens

b)

concave lens

c)

plane mirror

d)

convex mirror

55.

A shopkeeper wants to keep an eye on his store in order to prevent shoplifting. What could the shopkeeper hang on the wall in order to see a wider image of his store and his customers?

a)

a convex mirror

b)

a concave mirror

c)

a convex lens

d)

a concave lens

56.

What type of lens is used in the shown instrument?

a)

concave lens

b)

convex lens

c)

reflection lens

d)

reduction lens

57.

A flat mirror is an example of a ___.

a)

plane mirror

b)

concave mirror

c)

convex mirror

d)

spherical mirror

58.

What type of lens creates the image seen in the eyeglasses?

a)

convex

b)

concave

c)

reflection

d)

plane

59.

A lens that is thicker in the middle than on the outside is called ___.

a)

diverging

b)

concave

c)

convex

d)

achromatic

60.

A lens that is thinner in the middle than on the outside is called ___.

a)

diverging

b)

concave

c)

convex

d)

achromatic

61.

A student is conducting an experiment with four different types of mirrors. Which mirror in the experiment diverges light and produces an right side up, smaller image of the candles? (hint: no two mirrors are the same)

a)

mirror 1

b)

mirror 2

c)

mirror 3

d)

mirror 4

62.

A student is conducting an experiment with four different types of mirrors. Which mirror in the experiment is a concave mirror?

a)

mirror 1

b)

mirror 2

c)

mirror 3

d)

mirror 4

63.

A student is conducting an experiment with four different types of mirrors. Which mirror in the experiment is a plane mirror?

a)

mirror 1

b)

mirror 2

c)

mirror 3

d)

mirror 4

64.

What word means to bend light rays toward each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

65.

What word means to bend light rays away from each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

66.

A dentist uses a small dental mirror to help magnify teeth in your mouth. What type of mirror is this?

a)

a convex mirror

b)

a concave mirror

c)

a convex lens

d)

a concave lens

67.

The side view mirrors on your car help shrink the image on both sides of the car, allowing you to see a larger field of view. What type of mirror is this?

a)

a convex mirror

b)

a concave mirror

c)

a convex lens

d)

a concave lens

68.

The 2 reflected rays that meet.

a)

ray of incident

b)

reflected image is produced

c)

focal point

d)

image is not produced

69.

Image behind the mirror is

a)

virtual

b)

real

c)

upside down

d)

upright

70.

image above the principal axis (PA) is

a)

virtual

b)

real

c)

upright

d)

upside down

71.

if the object is beyond C (2F)

a)

image is real, smaller and upright

b)

image is real, smaller and upside down

c)

image is virtual, smaller and upside down

d)

image is real, bigger and upright

72.

This ray diagram is for which mirror?

a)

concave

b)

convex

c)

plane

d)

window

73.

Name the mirror that curves inwards

a)

plane mirror

b)

convex mirror

c)

concave mirror

d)

spherical mirror

74.

From which point does a ray of light pass after reflection when incident parallel to Principal axis

a)

focus

b)

centre of curvature

c)

radius of curvature

d)

pole

75.

A real image is always

a)

erect

b)

upright

c)

inverted

76.

The size of an object and its image are the same in this type of mirror...

a)

Plane

b)

Convex

c)

Concave

77.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
78.

What do you call a flat mirror?

a)

plane mirror

b)

convex mirror

c)

concave mirror

79.

An image behind the mirror is...

a)

virtual

b)

real

c)

inverted

d)

upright

80.

An image that points below the principal axis is (choose 2)...

a)

virtual

b)

real

c)

upright

d)

inverted

81.
The point in the middle way between a curved mirror and the center of curvature is the
a)
principle point
b)
focal point
c)
center of curvature
d)
principle axis
82.
Concave mirrors can create virtual and real images.
a)
True
b)
False
83.
Which terms describe the reflection seen in this image?
a)
virtual, upright
b)
virtual, inverted
c)
real, upright
d)
real, inverted
84.

If the object is between C and f, the image is ...

a)

image is real, smaller, and inverted

b)

image is real, smaller, and upright

c)

image is virtual, smaller, and inverted

d)

image is real, bigger, and inverted

85.

If the object is between f and the mirror, the image is ...

a)

image is real, smaller, and inverted

b)

image is virtual, larger, and upright

c)

image is virtual, smaller, and inverted

d)

image is real, bigger, and inverted

86.
This is an example of a __________ mirror.
a)
Concave
b)
Convex
c)
Plane
d)
Magnifying
87.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
88.
This is an example of a _____________ mirror
a)
Concave
b)
Convex
c)
Plane
d)
Magnifying
89.
This image is.....
a)
inverted and smaller
b)
inverted and larger
c)
not inverted and smaller
d)
not inverted and larger
90.
This image is...
a)
Inverted and smaller
b)
inverted and bigger
c)
not inverted and smaller
d)
not inverted and bigger
91.
This image is...
a)
Inverted and smaller
b)
Inverted and larger
c)
not inverted and smaller
d)
not inverted and larger
92.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
93.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
94.
An image that you can see , but does not really exist is called which of the following?
a)
Real Image
b)
Fake Image
c)
Virtual Image
d)
Digital Image
95.
Convex Mirrors produce...
a)
only virtual images
b)
virtual or real images
c)
only real images
d)
inverted images
96.
An incident ray that is parallel to the principal axis...
a)
will reflect parallel to the principal axis
b)
will refract through the focal point
c)
will reflect through the center of curvature
d)
will continue along the same path through the lens
97.
a real image...
a)
is produced by virtual rays and can be projected on a screen
b)
is produced by real rays and cannot be projected on a screen
c)
is produced by virtual images and cannot be projected on a screen
d)
is produced by real rays and can be projected on a screen
98.
What is Nearsightedness? 
a)
condition that has difficulty seeing things that are close 
b)
condition that has difficulty seeing things that are far away
99.
What is an Astigmatism?
a)
a very contagious condition caused by a bacterial infection 
b)
a substance that hardens your teeth 
c)
 a hard substance that gives nails their strength 
d)
persons vision is distorted due to a irregular shaped eye 
100.

What laptop is this

a)

Macbook pro

b)

Hp

c)

Dell

d)

thinkpad

101.

What ipad is this

a)

Ipad pro

b)

samsung laptop

c)

Dell ipad

102.

what phone is this

a)

Samsung galaxy s10+

b)

Iphone 11 pro max

c)

iphone 1

d)

Iphone 2

103.

What phone is this?

a)

Samsung galaxy j4 pro

b)

Iphone 6

c)

Hawaii

d)

Oppo

104.

What phone is this?

a)

Samsung galaxy note 20 ultra

b)

iphone 12

c)

Hawwi

d)

Oppo

105.

Samsung galaxy

(a)  

106.

What is the newest iphone apple made?

a)

Iphone[[[[[[[[[[[c'''''''''

b)

Iphone 12 pro max

107.

Changing to fit new conditions is

a)

incline

b)

separate

c)

adapt

d)

design

108.

a humanlike robot

a)

cyborg

b)

android

c)

engineer

d)

virus

109.

A society with cities, a central government, job specialization, and social classes

a)

primitive

b)

revolutionary

c)

civilization

d)

culture

110.

Produce a plan, simulation or model.

a)

engineer

b)

produce

c)

patent

d)

design

111.

A person who is trained in and uses technological and scientific knowledge to solve practical problems.

a)

engineer

b)

designer

c)

scientist

d)

android

112.

A mathematical sentence that shows that two expressions are equivalent

a)

formula

b)

tally

c)

equation

d)

function

113.

A mathematical relationship or rule expressed in symbols.

a)

equation

b)

tally

c)

formula

d)

conclusion

114.

The fixed point around which a lever pivots

a)

incline

b)

pivot

c)

wedge

d)

fulcrum

115.

slope; slant

a)

wedge

b)

incline

c)

winch

d)

pulley

116.

a simple machine that consists of a bar that pivots at a fixed point called a fulcrum

a)

lever

b)

pulley

c)

wedge

d)

incline

117.

exclusive rights over an invention; copyright

a)

revolutionary

b)

design

c)

patent

d)

engineer

118.

happening early in the history of humans and the world, or simple and not complicated

a)

historic

b)

civilization

c)

ancient

d)

primitive

119.

A simple machine that consists of a rope that fits into a groove in a wheel

a)

wedge

b)

pulley

c)

lever

d)

incline

120.

involving or causing a complete or dramatic change

a)

primitive

b)

civilization

c)

revolutionary

d)

separate

121.

count up, add, record

a)

tally

b)

equation

c)

formula

d)

abacus

122.

a simple machine that is an inclined plane that moves

a)

fulcrum

b)

wedge

c)

winch

d)

pulley

123.

to set or keep apart

a)

combine

b)

diverge

c)

transform

d)

separate

124.

a machine for lifting or pulling heavy objects using a rope or chain

a)

wedge

b)

pulley

c)

lever

d)

winch

125.

A piece of code that is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data

a)

bacteria

b)

virus

c)

disease

d)

data

126.
a)

This is a television.

b)

This is a radio.

c)

This is a phone.

d)

This is a mailbox.

127.

What is a invention?

a)

old stuff

b)

something that solves a problem

c)

something that existed in nature when someone found it

128.

A word to describe this phone is...

a)

past

b)

future

c)

present

129.
doubles the amount of load you can lift with the same amount of force. (ex. flagpole)
a)
pulley
b)
wedge
c)
lever
d)
power
130.
increases force by placing a bar or beam across a fulcrum. (ex. stapler)
a)
lever
b)
pulley
c)
wedge
d)
screw
131.
A person who uses his or her creativity and understanding of materials, tools, mathematics, and science to design things that solve problems.
a)
Engineering Design Process
b)
Engineer
c)
Teamwork
d)
Technology
132.
What is the development of an entire new technology, never heard or seen before?
a)
Innovation
b)
Invention
c)
Engineering
133.

What is this simple machine

a)

Wedge

b)

Inclined plane

c)

Lever

d)

Screw

134.

What is this simple machine

a)

Wedge

b)

Inclined plane

c)

Lever

d)

Screw

135.

What is this simple machine

a)

Wedge

b)

Inclined plane

c)

Lever

d)

Screw

136.

What is this simple machine

a)

Pulley

b)

Wheel and axle

c)

Lever

d)

Screw

137.

Technology : A machine or piece of equipment that is created to solve problems.

a)

True

b)

False

138.

Improvements is: The act or process of making something not useful.

a)

True

b)

False

139.

Medical (a)   is being used to prevent diseases and illnesses before they happen. (USE ONE WORD)

140.

Tick Two Improvements in the healthcare medical technology.

a)

People being diagnosed quicker.

b)

People get sick and die much faster.

c)

People having faster recovery times and living longer.

d)

People being diagnosed slower.

141.

In the past. Babies were born at home

a)

In 2020

b)

In 1990

c)

In 2006

d)

In the early 1900

142.

When did surgeries was usually carried out in people’s houses.

a)

In the present .

b)

In the past.

c)

In the future.

143.

In the past. People did not have access to the scans, medicines, vaccinations and health information that is available today.

a)

True

b)

False

144.

Select two technologies used in healthcare medications these days.

a)

X-Ray

b)

Remote telesurgery

c)

Books

d)

Radio

145.

Medical technology is raising healthcare costs.

a)

True

b)

False

146.

Why do people study science?

a)

Out of curiosity

b)

Because they are bored

c)

Earn money

d)

To solve problems

e)

Learn more about the world

147.

One of the instruments developed by astronomers in the past is (a)  

148.

In the past people used astronomy for:

a)

Telling the time

b)

Finding out directions

c)

Deciding time of prayers

d)

All of the above

149.

(a)   is an international space agency.

150.

_________________ invented the pin hole camera.

a)

Ibn al-Haytham

b)

Abu Bakr al-Razi

c)

Ibn Sina

151.

__________ was the mathematician who described how to find the missing numbers in an equation.

a)

Al-Jabr

b)

Al-Khwarizmi

c)

Al-Biruni

152.

Some water-lifting machines in the past include: _____________

a)

Waterwheels and Shadufs

b)

Pumps and cranes

c)

Pipes and canals

153.

_________ are the people who designs bridges and roads?

a)

Civil engineers

b)

Architects

c)

Contractors

d)

Zayed caca

e)

Lkaka

154.

Name 2 Muslim scientists who excelled in the field of medicine

a)

Ibn Sina and Ibn Haytham

b)

Al-Biruni and Nasir al din Tusi

c)

Al-Khwarizmi and Aj-Jabr

155.

Modern chemistry has its roots in an ancient practice known as ________

a)

Alchemy

b)

Algebra

c)

Biology

d)

Pharmacy

156.

Ibn Sina wrote (a)   which has an impact on present day medicine too!

157.

Technology can solve the problem of not seeing in the dark.

a)
b)
c)
d)
158.

Technology can solve the problem of not seeing inside the body.

a)
b)
c)
d)
159.

Technology can solve the problem of traveling to America.

a)
b)
c)
d)
160.

True or False: Some effects of technology benefit people.

a)

True

b)

False

161.

Which of these inventions have only benefits and no problems for our environment?

a)

Cars

b)

Trains

c)

Airplanes

d)

None of the above

162.
a)

USEFUL

b)

HARMFUL

163.

______ is an unwanted sound that is harmful to people and animals.

a)

Noise pollution

b)

Air pollution

c)

Water Pollution

d)

Land Pollution

164.

Which of these problems can be caused by air pollution?

a)

chest problems

b)

Increased disease for humans

c)

Reduced food sources for humans

d)

Decrease in global temperatures

165.

The car is creating ____________________.

a)

Air pollution

b)

Water pollution

c)

Noise pollution

166.

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

a)

Chemical to light

b)

Electrical to chemical

c)

Electrical to light

d)

Chemical to electrical

167.
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
a)
A bolt of lightning lights the night sky.
b)
A candle glows brightly in the dark.
c)
A fire in a fireplace lights up a room.
d)
A battery causes a flashlight to shine.
168.
What energy transformations take place when a battery-operated radio is in use?
a)
Electrical to chemical to light
b)
Sound to chemical to mechanical
c)
Chemical to electrical to sound
d)
Light to electrical to thermal
169.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
170.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
171.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
172.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
173.

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

a)

mechanical energy to chemical energy

b)

thermal energy to mechanical energy

c)

chemical energy to mechanical energy

d)

mechanical energy to thermal energy

174.

Where is the kinetic energy the greatest?

a)

A

b)

B

c)

C

d)

D

175.
A hairdryer converts -- 
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
176.

What kind of energy is represented in the picture?

a)

Thermal

b)

Chemical

c)

Sound

d)

Kinetic

177.

What type of energy is electrons flowing through a wire?

a)

Electrical energy

b)

Chemical energy

c)

Kinetic energy

d)

Mechanical energy

178.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found

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