Ice and Salt Experiment Quiz

What is the first step in setting up the ice and salt experiment?

• Pour water into a bowl with ice.

• Add salt to the water.

• Heat the water.

• Place the string in the water.

What should you do after placing the string over the ice cube?

• Pour hot water over the ice.

• Add more ice cubes.

• Sprinkle salt over the string.

• Remove the string immediately.

How does salt affect the freezing point of water?

• It turns water into steam.

• It lowers the freezing point.

• It has no effect on the freezing point.

• It raises the freezing point.

Why does the ice refreeze around the string after adding salt?

• The ice quickly refreezes as the salt lowers the freezing point.

• The ice melts completely.

• The string absorbs the salt.

• The salt absorbs the water.

What is a real-world application of using salt to lower the freezing point of water?

• To make ice cubes faster.

• To increase the temperature of water.

• To de-ice roads and sidewalks.

• To prevent water from boiling.