NEW
Font size
S
M
L
XL
WorksheetsYear 7 - Waves - Sound and light
Total questions: 47
Worksheet time: 31mins
Name
Class
Date
1.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)
pitch
d)
amplitude
2.
How high or low a sound is; depends on the frequency (greater frequency= higher pitch)
a)
pitch
b)
frequency
c)
sound
d)
medium
3.
A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves
a)
longitudinal wave
b)
ocean wave
c)
transverse wave
d)
mechanical wave
4.
The number of wavelengths that pass a point each second
a)
crest
b)
amplitude
c)
frequency
d)
pitch
5.
A reflected sound wave
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
6.
Highest point of a wave
a)
crest
b)
trough
c)
wavelength
d)
frequency
7.
When a sound is louder what measurement gets bigger?
a)
Frequency
b)
Amplitude
c)
Wavelength
d)
Crest
8.
What is a natural Vaccuum that Sound cannot travel through?
a)
Water
b)
Air
c)
Liquids
d)
outer Space
9.
If the distance represented by the letter A were increased, 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.
10.
True or False: Sound travels better through solids than through liquids
a)
True
b)
False
11.
How can you protect your ears?
a)
Put cotton balls in your ears to muffle sound
b)
Your ears protect themselves with various external structures
c)
wearing ear protection devices and keeping a distance between your ears and loud sounds
d)
reaming 20 ft away from objects that products sounds over .73 decibles
12.
Which letter(s) represent the trough of the wave?
a)
A
b)
B & D
c)
D
d)
C & G
13.
What state of matter allows sound to travel the slowest?
a)
Solid
b)
Liquid
c)
Gas
d)
Doesn't Matter
14.
What is #18?
a)
Pinna
b)
Auditory Nerve
c)
Anvil
d)
Cochlea
15.
What is #19?
a)
Semicircular Canals
b)
Ear Canal
c)
Auditory Nerve
d)
Cochlea
16.
What is #13?
a)
Eardrum
b)
Anvil
c)
Hammer
d)
Cochlea
17.
What is #1?
a)
Pinna
b)
Cochlea
c)
Auditory Nerve
d)
Ear Canal
18.
What is #2?
a)
Ear Canal
b)
Pinna
c)
Hammer
d)
Anvil
19.
What happens to the eardrum when sound hits, causing transmission of sound to the inner ear?
a)
it opens
b)
it grows hair
c)
it refracts the sound
d)
it vibrates
20.
What part of the ear sends signals to the brain?
a)
optic nerve
b)
ear canal
c)
auditory nerve
d)
middle ear
21.
What is the frequency range of hearing for a human being?
a)
10-200 hertz
b)
20-20,000 hertz
c)
300-2,000 hertz
d)
2,000-30,000
22.
The reason the mosquito ring tone works is
a)
adult selective attention ignores the sound
b)
we begin to lose higher pitches when we get older
c)
Young people hear low tones much better
d)
it doesn't really change from teens to older adults
23.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
24.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
25.
Why do we see objects as white?
a)
They absorb all light
b)
They reflect all light
c)
They absorb some light and reflect some light
26.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
27.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
28.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
29.
Luminous means...
a)
Gives out its own light
b)
Reflects light from other things
30.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
31.
_____ is a lens that is thicker in the middle and makes an object appear bigger.
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
32.
______ is a lens that is thicker on its edges and makes an object appear smaller?
a)
mirror
b)
convex lens
c)
concave lens
d)
prism
33.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
34.
Fill in the blank with the best answer: After light passes through a convex lens the light comes together at a __________.
a)
Spot
b)
Focal point
c)
point
d)
Local Point
35.
Blurs light as it passes through
a)
Transparent
b)
Translucent
c)
Opaque
d)
Refraction
36.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
37.
What are the 3 primary colors?
a)
red, green, blue
b)
yellow, orange, violet
c)
red, black, green
d)
magenta, cyan, indigo
38.
____________________ is the hole through which light enters the eye.
a)
Cornea
b)
Iris
c)
Retina
d)
Pupil
39.
_________________ is the transparent front surface of the eye
a)
Pupil
b)
Cornea
c)
Lens
d)
Iris
40.
What is the last step of the process of seeing light?
a)
An image is formed
b)
A signal is sent to the brain
c)
Light passes through the eye
41.
Which pair of colours do NOT combine to make the correct secondary colours?
a)
Red + Blue = Magenta
b)
Red + Green = Yellow
c)
Blue + Green = Cyan
d)
Red + Green = Yellow
42.
Which image correctly shows how light would interact with the t-shirt and shorts?
a)
A
b)
B
c)
C
d)
D
43.
Why does this the t-shirt appear red and the shorts appear blue?
a)
The t-shirt reflects red light, the shorts reflect green light, other colours are absorbed.
b)
The t-shirt reflects blue light, the shorts reflect red light, other colours are absorbed.
c)
The t-shirt reflects red light, the shorts absorb yellow light, all other colours are reflected
d)
The t-shirt reflects red light, the shorts reflect blue light, other colours are absorbed.
44.
During a solar eclipse...
a)
The sun is blocked by the moon
b)
The Earth is blocked moon
c)
The moon is blocked by the sun
d)
You are blocked
45.
What is the central, darker part of a shadow called?
a)
the umbra
b)
the penumbra
46.
There are two sections of a shadow. Which one is the lighter, outer shadow?
a)
umbra
b)
lumbar
c)
penumbra
d)
annular
47.
A lunar eclipse occurs when the Moon casts a shadow on Earth.
a)
True
b)
False
Reset
