5.P.3.2 Conductors and Insulators

Front

Raul is packing a cooler for a hot day at the beach. Which type of cooler should he select to keep his food as cold as possible?

Back

white foam cooler

Front

Which best explains why a full glass bottle of water should not be stored in a freezer?

Back

Water expands when it freezes, which could break the bottle.

Front

Which best describes a material that would be used to insulate a house? Options: excellent conductor of heat, excellent conductor of cold, poor conductor of heat, poor conductor of cold

Back

poor conductor of heat

Front

Sara wants to keep drinks cold during an afternoon sports game. Which container would most likely keep her drinks cold for several hours? Options: metal, because it will conduct heat, plastic, because it will conduct heat, metal, because it will insulate from heat, plastic, because it will insulate from heat

Back

plastic, because it will insulate from heat

Front

Which material is most likely to expand if exposed to freezing temperatures? Options: iron, wood, water, plastic

Back

water

Front

Which best explains why a hot air balloon rises into the air? Options: As the air is cooled, it becomes more dense and the balloon rises. , As the air is cooled, it becomes less dense and the balloon rises. , As the air is heated, it becomes less dense and the balloon rises. , As the air is heated, it becomes more dense and the balloon rises.

Back

As the air is heated, it becomes less dense and the balloon rises.

Front

Which is the best
conductor of heat? Options: a glass tube, a copper wire, a piece of string, a fuzzy blanket

Back

a copper wire

Front

Some cooking spatulas are made out of plastic. Why are cooking spatulas often made out of plastic?

Back

Because plastic is a poor conductor of heat, and this keeps the handle from getting too hot to touch while cooking.

Front

Sara wants to keep drinks cold during an afternoon sports game. Which container would most likely keep her drinks cold for several hours? Options: metal, because it will conduct heat; plastic, because it will conduct heat; metal, because it will insulate from heat; plastic, because it will insulate from heat.

Back

plastic, because it will insulate from heat

Front

A family living on the top floor of a tall building complains that their home gets too hot during the day. Which could they add to the roof to allow their home to stay cooler? Options: black metal, white metal, black rubber, white rubber

Back

white rubber