5.P.3.2 #7: Schoolnet (Heating & Cooling)

Which is a true statement about heating and cooling water?

• Boiling and freezing water both take an hour.

• It takes less time to boil water than to freeze water into ice.

• It takes less time to freeze water into ice than to boil water.

• It takes the same time to boil water as it does to freeze water into

  ice.

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Which would most likely turn gas into a liquid?

• cooling

• boiling

• warming

• freezing

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Before pots and pans were invented, people cooked using smooth

stones at a fire pit. Which best describes a characteristic of stones that

made them a good choice for cookware?

• Stones cool quickly.

• Stones flavor the food.

• Stones absorb and hold heat well.

• Stones create steam when they are heated.

Jack painted his room. He then tried to make the paint dry more quickly

by changing the temperature in the room. How did Jack most likely

change the temperature?

• Jack increased the temperature in his room, which increased

  evaporation and decreased the drying time.

• Jack decreased the temperature in his room, which increased

  evaporation and decreased the drying time.

• Jack increased the temperature in his room, which decreased

  evaporation and increased the drying time.

• Jack decreased the temperature in his room, which decreased

  evaporation and increased the drying time.

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Lee is making simple syrup by dissolving sugar into water. Which action

will most likely cause the sugar to dissolve more quickly?

• heating the water

• cooling the water

• increasing the amount of sugar

• decreasing the amount of water

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Which best describes an effect of boiling a pot of water?

• The boiling water changes color.

• The boiling water produces steam.

• The boiling water cools more quickly.

• The boiling water changes into a solid.

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William is heating water on the stove. Which material would most likely

heat the water the fastest?

• glass

• metal

• plastic

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Nick is observing a pot of boiling water on the stove in his kitchen.

Which factor is most responsible for the water turning into steam as it

boils?

• the heat from the stove

• the bubbles from the water

• the coolness of the surrounding air

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NGSS.MS-PS1-4

Which best explains why ice skating on a pond is a winter activity?

• Many ponds freeze in the winter.

• Pond ice conducts heat in the winter.

• Many ponds are deeper in the winter.

• Pond ice is easier to melt in the winter.

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Which is true when a solid cube of ice melts into a liquid?

• The mass increases.

• The mass decreases.

• The mass remains the same.

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