# NCSCOS Grade 6 Physical Science - 6.P.1 Diagnostic Force and Motion Waves

## Quiz by NCDPI

Science
North Carolina Standard Course of Study

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10 questions
• Q1
Which of these actions is the BEST evidence that waves can cause objects to move?
A teenager swims to shore after an ocean swim.
A surfer rides back to the beach on his surfboard.
A speed boat races in circles around the lake,
A dog fetches a ball tossed in a lake and brings it back to the dock.
30s
6.P.1.1
• Q2
The distance shown in the diagram is known as the
trough.
wavelength.
crest.
amplitude.
30s
6.P.1.1
• Q3
How does sonar detect an object in water?
by sending sound waves that are absorbed by the object
by sending sound waves that measure the object’s temperature
by sending sound waves to detect the composition of the object
by sending sound waves that reflect off the object
30s
6.P.1.1
• Q4
Which causes an object to appear green?
While reflecting all the other colors in the visible spectrum, it scatters green
While scattering all the other colors in the visible spectrum, it reflects green.
While reflecting all the other colors in the visible spectrum, it absorbs green.
While absorbing all the other colors in the visible spectrum, it reflects green.
30s
6.P.1.2
• Q5
Which statement best describes white light after it passes through a prism?
The white light has no electromagnetic energy.
The white light contains ultraviolet energy.
The white light is a combination of the wavelengths of red and blue.
The white light is a combination of all wavelengths of the visible spectrum.
30s
6.P.1.2
• Q6
Which color has the highest frequency?
green
red
yellow
violet
30s
6.P.1.2
• Q7
The leaves of a plant appear to be green because the green light waves are
both absorbed and reflected.
neither absorbed or reflected.
absorbed.
reflected.
30s
6.P.1.2
• Q8
How do foam earplugs affect the sound a person hears?
The foam increases the amount of energy in the sound vibrations
The foam increases the rate of sound vibration
The foam reduces the rate of sound vibration.
The foam reduces the amount of energy in the sound vibrations.
30s
6.P.1.3
• Q9
Why do people tend to cup their hands around listeners' ears when whispering to them?
Sound waves from a whisper are short; they will not reach the ear unless guided by a hand.
A cupped hand makes the sound echo so the listener can hear more clearly.
The ear cannot absorb sound waves produced by a whisper without a cupped hand.
A cupped hand, can direct sound waves into the ear of the listener.
30s
6.P.1.3
• Q10
While tuning a guitar, you realize one of the strings is not the right thickness. The pitch needs to be higher in order for the guitar to be tuned properly. What should you do to get a higher pitch?
use a thinner string.
use a much shorter string
pluck the string with more force
use a thicker string.
30s
6.P.1.3

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