Unit Test 4- Interactions Of Matter And Energy Question Preview (ID: 28014)


Unit Test 4. TEACHERS: click here for quick copy question ID numbers.

How are people sitting around a campfire able to feel the heat from the fire without touching the fire?
a) The heat from the fire travels through the ground and heats the ground around people
b) The heat from the fire is conducted through air molecules to the people
c) The heat from the fire rises in the air and then settles around the people
d) The heat from the fire radiates from the fire to the people

Which is most responsible for the uneven heating of air in the atmosphere?
a) radiation
b) convection
c) conduction
d) condensation

Which is considered a good insulator of heat?
a) Aluminum because it allows heat to flow easily
b) Glass because it allows heat to flows easily
c) Plastic because heat is unable to flow easily through it
d) Silver because heat is unable to flow easily through it

A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?
a) combustion
b) convection
c) radiation
d) conduction

Which best describes why metals are used for making pots and pans that are used for cooking?
a) Metals conduct heat and have a high melting point
b) Metals conduct heat and have a low melting point
c) Metals radiate heat and have a high melting point
d) Metals radiate heat and have a low melting point

When electromagnetic waves strike a metal pipe, what usually happens?
a) The pipe gets cooler
b) The pipe absorbs some of the waves
c) The pipe reflects all of the waves
d) The pipe begins to produce light

If you placed a hot stone in a beaker of cold water, what would happen to stone and water after 10 minutes of time elapsed?
a) The stone would get warmer and the water would get cooler
b) The stone will get as cold as the water had been
c) The water would get as hot as the stone had been
d) The stone would get cooler, and the water would get warmer

Why are some coffee cups composed of ceramic material?
a) Ceramic materials are conductors that limit heat transfer
b) Ceramic materials are insulators that limit heat transfer
c) Ceramic materials are conductors that aid heat transfer
d) Ceramic materials are insulators that aid heat transfer

A worker for an electrical company is preparing to fix a power line. Why would he put on rubber gloves before working with any power line?
a) Rubber is a poor conductor of heat, but a good conductor of electricity
b) Rubber is good conductor of heat, but a poor conductor of electricity
c) Rubber is a poor conductor of heat and electricity
d) Rubber is a good conductor of heat and electricity

During the day, the sand at the beach is very warm while at night, it is cooler. Why does this occur
a) The sand reflects the sun's energy during the day, causing it to become warmer.
b) The sand absorbs the sun's energy during the day, causing it to become warmer.
c) The sand scatters the sun's energy during the day, causing it to become warmer
d) The sand scatters the sun's energy during the day, causing it to become warmer

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