
Effects of Salt and Purified Water

Interactive Video
•
Science, Physics, Chemistry
•
5th - 8th Grade
•
Hard

Emma Peterson
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when supercooled water is poured onto ice?
It boils.
It forms ice crystals.
It evaporates.
It remains liquid.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is salt added when making homemade ice cream?
To make the ice cream softer.
To increase the temperature.
To lower the freezing point of water.
To add flavor.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of purified water in creating supercooled water?
It raises the freezing point.
It makes the water boil.
It prevents ice crystals from forming.
It contains impurities that help in freezing.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason for using purified water in the experiment?
It freezes faster than regular water.
It is cheaper than regular water.
It has fewer impurities, preventing ice crystal formation.
It is more readily available.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does salt affect the freezing point of water?
It makes water evaporate.
It has no effect.
It lowers the freezing point.
It raises the freezing point.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is salt used on icy roads?
To make the roads colder.
To increase the freezing point.
To lower the freezing point and melt ice.
To make the roads slippery.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of adding salt to water in the context of the video?
It lowers the freezing point, allowing ice to form.
It keeps the water at room temperature.
It makes the water boil.
It raises the freezing point, preventing ice formation.
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