Chapter 17/18 Question Preview (ID: 36897)


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Which cup of tea has the greatest amount of thermal energy?
a) 8 ounces of tea at 120 degrees
b) 6 ounces of tea at 120 degrees
c) 3 ounces of tea at 120 degrees
d) 1 ounce of tea at 120 degrees

What is thermal energy?
a) How cold an object is
b) the total potential and kinetic energy in an object
c) The potential energy minus the kinetic energy
d) Kinetic energy minus potential energy

How does heat move?
a) Heat moves from colder to warmer substances
b) Heat moves from warm to warm substances
c) Heat moves from cold to cold substance
d) Heat moves from warm to cold substances

What type of heat transfer can cause wind?
a) Conduction
b) Convection
c) Radiation
d) Ultra Violet rays

How does matter move in a compressional wave?
a) Up and down in the opposite direction as the wave
b) In a circle
c) Back and forth in the same direction as the wave
d) The matter does not move

What has to happen between 2 objects when heat transfers by conduction?
a) They must be touching
b) They cannot touch
c) They must be put in something cold
d) They must be exposed to something hot

What part of the electromagnetic spectrum can damage skin cells and possibly cause skin cancer?
a) Gamma rays
b) Ultra Violet rays
c) Radio waves
d) X-Rays

When a spoon in a glass of water appears to be bent, how is the light behaving?
a) It is reflecting
b) It is absorbing
c) It is refracting
d) It is conducting

Why is a metal fork a better conductor than a plastic fork?
a) Because metal is shiny
b) Because metal has atoms with electrons that move easily
c) Because metal does not melt
d) Metal is not a better conductor

In a glass of punch, what is happening to the particles in the ice cubes as the heat flows from the punch to the ice cubes?
a) The particles lose energy and get colder
b) The particles gain energy and they begin to move faster
c) The particles slow down and then move faster
d) The particles simply lose energy

Which two types of waves cary the most energy?
a) Ultra Violet rays and gamma rays
b) Ultra violet rays and X-rays
c) X-rays and radio waves
d) Gamma rays and X-rays

What color absorbs the least amount of light that hits it?
a) White
b) Black
c) Yellow
d) Purple

What color absorbs the most amount of light that hits it?
a) White
b) Black
c) Purple
d) Yellow

How does fur help a bear stay warm?
a) The fur acts as an insulator
b) The fur acts as a conductor
c) The fur acts as a convection current
d) The fur acts as radiation

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