C165 Integrated Physical Sciences Section 2 Test:
Questions & Answers
When energy changes from one type to another, the total energy _____
(Ans- remains constant.
A jet flying overhead produces sound waves that consist of _________
transported from the jet to your ears.
(Ans- energy that is
Which has a greater thermal energy, coffee at 80°C in a cup or water at
80°C in a swimming pool?
(Ans- The water in the pool has a greater thermal energy because it
contains many more molecules, and thermal energy measures the total
energy of all the particles.
If you hit a drum with more force, the sound that the drum produces
(Ans- becomes louder.
The sun produces its energy in nuclear reactions. The radiation that
arrives at Earth from the sun consists of
(Ans- electromagnetic waves.
, The speed of a sound wave depends on
(Ans- the medium.
The wavelength of a transverse wave travelling in a rope is
(Ans- the distance from crest to crest or trough to trough.
Which list of colors is ordered from lowest to highest frequencies?
(Ans- Red, yellow, green, blue
What is used in hospitals to sterilize medical instruments?
(Ans- Ultraviolet light
Why does ultraviolet light damage the skin, but visible light does not?
(Ans- Ultraviolet light has a shorter wavelength than visible light.
A car is moving forward, and its brakes are being applied. Which
statement is true?
(Ans- The car's velocity is forward, and its acceleration is backward.
Which statement describes inertia?
(Ans- Inertia is an object's tendency to remain stationary.
Questions & Answers
When energy changes from one type to another, the total energy _____
(Ans- remains constant.
A jet flying overhead produces sound waves that consist of _________
transported from the jet to your ears.
(Ans- energy that is
Which has a greater thermal energy, coffee at 80°C in a cup or water at
80°C in a swimming pool?
(Ans- The water in the pool has a greater thermal energy because it
contains many more molecules, and thermal energy measures the total
energy of all the particles.
If you hit a drum with more force, the sound that the drum produces
(Ans- becomes louder.
The sun produces its energy in nuclear reactions. The radiation that
arrives at Earth from the sun consists of
(Ans- electromagnetic waves.
, The speed of a sound wave depends on
(Ans- the medium.
The wavelength of a transverse wave travelling in a rope is
(Ans- the distance from crest to crest or trough to trough.
Which list of colors is ordered from lowest to highest frequencies?
(Ans- Red, yellow, green, blue
What is used in hospitals to sterilize medical instruments?
(Ans- Ultraviolet light
Why does ultraviolet light damage the skin, but visible light does not?
(Ans- Ultraviolet light has a shorter wavelength than visible light.
A car is moving forward, and its brakes are being applied. Which
statement is true?
(Ans- The car's velocity is forward, and its acceleration is backward.
Which statement describes inertia?
(Ans- Inertia is an object's tendency to remain stationary.
