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- Q 1/19Score 0
The following image is an example of ....
29transmission
absorption
scattering
refraction
- Q1
The following image is an example of ....
transmission
absorption
scattering
refraction
300s - Q2
How are electromagnetic waves different from other waves?
They can travel through a vacuum and matter
They can change direction by reflection when they strike an object
They have short wavelengths
they transmit energy instead of matter
300s - Q3
this type of energy is transmitted from the sun to the earth through space
electromagnetic
kinetic
electrical
heat
300s - Q4
Why does a leaf look green in the summertime?
the leaf uses green light to make food in its cells
the leaf produces green light in its cells
The leaf absorbs green light
the leaf reflects green light and absorbs other colors of sunlight
300s - Q5
mechanical waves an travel through all of the following except
vacuum
steel
air
water
300s - Q6
Which statement correctly describes how a sound wave travels through air?
The wave moves through the air and gains energy from the moving molecules that it touches
The wave carries molecules of air away from the source of the sound.
The wave carries energy that causes molecules to move back and forth
The wave carries a molecule in one direction until it collides with another molecule.
300s - Q7
Why can you see someone clearly through a clear glass window but not through a frosted glass window?
Clear glass scatters some light, but frosted glass transmits all light
Clear glass transmits some light, but frosted glass absorbs all light
Clear glass reflects light, but frosted glass absorbs light
Clear glass transmits light, but frosted glass scatters
300s - Q8
How does the color of an object affect the amount of energyit receives from sunlight?
Light colored objects reflect more light and become warmer than darker objects
Light colored objects absorb more light and become warmer than darker objects
Dark colored objects reflect more light and become warmer than lighter objects
Dark colored objects absorb more light and become warmer than lighter objects
300s - Q9
A student conducted an experiment to determine the effect of light on different materials. The first material he investigated was a dark piece of wood. The student shines a light at the piece of wood. The light did not appear to bounce back or hit any other object near the board. What happened to the light as it hit the piece of wood?
The light was reflected off of the object
The light was absorbed by the object
The light was refracted off the object
The light was transmitted through the object
300s - Q10
Which of the following are real world examples of the reflection of light?
The shadow of a tree on the ground
A person getting a sunburn from the light hitting the snow
A black shirt making a person feel warm on a sunny day
Light as it is shined through a prism forming a rainbow
300s - Q11
Which of the following correctly shows how the chiming of a bell is perceived by the human ear and transferred to the brain?
a. Outer ear à inner ear à middle ear à brain
a. Outer ear à auditory nerve à inner ear à brain
a. Outer ear à auditory nerve à middle ear à inner ear à brain
a. Outer ear-middle ear- inner ear-à auditory nerve-à brain
300s - Q12
How does the eye see an object?
First the light bends at the cornea, the retina translates light energy to electrical signals, the pupil then sends signals to the brain
The lens focuses the light, the pupil lets light in, the cornea bends the light, the optic nerve sends signals to the brain
The cornea lets in light, the pupil adjusts by the iris, the lens focuses light, the retina translates light energy to electrical signals, the optic nerve sends signals to the brain
The pupil opens up then the cornea lets in the light, the retina sends signals to the brain
300s - Q13
A band has many different instruments, how are they all the same?
They all use wind
they all use chords
they all require 2 people to make it play
they all create vibrations
300s - Q14
What type of energy is used to manipulate the ear drum?
light
thermal
mechanical
electrical
300s - Q15
There are 3 ways in which light can affect the temperature of an object, they are
time, intensity, absorption
the weather outside, the weather inside, how much time you spend inside
time, intensity, closeness
intensity, closeness, absorption
300s