Boiling Point

A student observed a liquid that boiled at 100°C. What type of liquid was boiling?

• Salt water

• Sugar water

• Pure water

• Lemon water

Tags

NGSS.MS-PS1-4

What is the point where a liquid changes to gas a gass called

• Melting Point

• Boiling Point

Tags

NGSS.MS-PS1-4

What happens to the boiling point of water when salt is added?

• It decreases

• It remains the same

• It increases

• It becomes unpredictable

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The higher pressure inside a pressure cooker ​ (a)   the boiling point of water.

• increases

• decreases

Tags

NGSS.MS-PS1-4

At what altitude did the boiling point of water never exceed 88 °C, according to the article?

• At sea level

• In the Himalayas, at about 1,200 feet

• In the Himalayas, at about 12,000 feet

• At the top of Mount Everest

What is the reason for water boiling at a lower temperature at high altitudes?

• Because the atmospheric pressure is higher

• Because the water is purer

• Because the atmospheric pressure is lower

• Because of the presence of salt

Tags

NGSS.MS-PS1-4

What is the boiling point of pure water at sea level?

• 90°C

• 100°C

• 110°C

• 120°C

Tags

NGSS.MS-PS1-4

Which factor affects the boiling point of a liquid?

• Color of the liquid

• Volume of the liquid

• Atmospheric pressure

• Shape of the container

Tags

NGSS.MS-PS1-4

What happens to the boiling point of water when sugar is added?

• It decreases

• It remains the same

• It increases

• It becomes unpredictable

Why does water boil at a lower temperature on a mountain?

• Higher atmospheric pressure

• Lower atmospheric pressure

• Higher temperature

• Lower temperature