Water Characteristics

Melting Point of water is

• 100 degrees Celsius

• 0 degrees Celsius

• 0 degrees Fahrenheit

Tags

NGSS.MS-PS1-4

After taking a shower, a student observed water droplets condensing on the bathroom mirror. Water condenses on the mirror because the mirror -

• reflects light energy

• is cooler than the air

• is a large, flat solid

• can easily be removed

Tags

NGSS.MS-PS1-4

Which of the following will cause an ice cube to melt? 

• covering the ice cube with aluminum foil

• adding thermal energy to the ice cube

• putting the ice cube in a dark place

• returning the ice cube to the freezer

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

On a hot, summer day, water droplets often form on the outside of a cold glass of water. The water droplets form when water vapor in the air

• loses heat on the cold glass

• reacts with the chemicals in the air

• gains energy from sunlight

• is moved about quickly by wind

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When does evaporation happen?

• gas to liquid

• liquid to solid

• solid to liquid

• liquid to gas

Tags

NGSS.MS-PS1-4

Choose the physical characteristics of water. (You can choose more than one answer.)

• Colourless

• Odourless

• Tasteless

• Acidic

What is the melting point of ice?

• 0 °C

• 100 °C

• 50 °C

• 30 °C

Tags

NGSS.MS-PS1-4

What is the boiling point of water?

• 0 °C

• 100 °C

• 50 °C

• 30 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When does condensation happen?

• solid to liquid

• liquid to gas

• gas to liquid

• solid to gas

Tags

NGSS.MS-PS1-4

The diagram shows daddy longlegs on the surface of water.

The daddy longlegs able to stay afloat on water is a result of ..

• adhesive force

• boiling point

• cohesive force

• density