Energy
Which type of energy is formed by
vibrating objects?
A light energy
B sound energy
C thermal energy
D electrical energy
Sound Energy
A guitarist strums two strings of the
same thickness on a guitar. The first
string vibrates more quickly than the
second string. What is true about the
pitch of the strings?
A The first string has a higher pitch
than the second string.
B The second string has a higher
pitch than the first string.
C The first string and the second
string have the same pitch.
D The pitch of the second string
depends on the pitch of the first
string.
The first string has a higher pitch
than the second string.
How do white light waves act when
they enter a prism?
A They are reflected.
B They become raindrops.
C They bend or refract.
D They are absorbed.
They bend or refract.
How is heat transferred from the campfire to the people?
A conduction
B insulation
C convection
D radiation
Radiation
Which type of energy does moving
water have?
A electrical
B kinetic
C thermal
D potential
Kinetic
Which is the best description of a
sound wave when the pitch of the sound is very high?
A It has a low frequency.
B It has a high frequency.
C It has no wavelength.
D It has no frequency.
It has a high frequency.
Which of the following can act like a
prism?
A a radio
B a raindrop
C a piece of paper
D a laser
A raindrop
Which of the following shows
convection?
A The sun warms your skin.
B You rub your hands together
quickly.
C A metal spoon in soup becomes
warm.
D A mobile turns from a candle
burning below it.
A mobile turns from a candle
burning below it.