PHYSICAL CHARACTERISTICS of WATER

The majority of the water in the world is stored in _______. 

• oceans
• the atmsosphere
• the ground
• rivers

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NGSS.MS-ESS2-4

The surface of the world is covered in what percent of water? 

• 78%
• 90%
• 97%
• 70%

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NGSS.MS-ESS2-4

When a solid reaches the temperatures of its ___, it can become a liquid.

• melting point
• freezing point
• boiling point
• density

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Melting Point of water is

• 100 degrees Celsius
• 0 degrees Celsius
• 0 degrees Fahrenheit

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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

NGSS.MS-PS3-4

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

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

A crayon is left outside on a sunny, summer day. All of the following will likely happen except

• change of state
• change from liquid to gas
• some melting
• change in shape

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Evaporate involves a change of state from ___ to ___.

• Solid to Liquid

• Gaseous to Liquid

• Liquid to Gaseous

• Liquid to Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4