NGSS.MS-PS1-4

The way heat moves in liquids and gases is called _______.

• convection
• radiation
• conduction
• temperature

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NGSS.MS-PS1-4

Conduction occurs in...

• solids
• liquids
• gases

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NGSS.MS-PS1-4

Bob puts 200 grams of ice into a pitcher with 900 grams of water. He gets distracted and comes back later to find that the ice has melted in the water. How many grams of water does Bob now have in the pitcher?

• 200 g
• 700 g
• 1,100 g

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NGSS.MS-PS1-4

The temperature at which a substance changes from liquid to gas (for water this is 100 degrees Celsius, 212 degrees Fahrenheit)

• boiling point

• melting point

• evaporation

• condensation

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NGSS.MS-PS1-4

How does removing heat change the particles in a closed system?

• Particles move apart

• Particles slow down and break apart

• Particles move faster and potentially change phases

• Particles move slower and potentially change phases

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NGSS.MS-PS1-4

Charles's Law shows the relationship between (choose two)

• density

• volume

• temperature

• mass

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NGSS.MS-PS1-4

What type of energy transformation needs to occur for these cookies to bake?

• Mechanical to thermal

• Electrical to light

• Thermal to light

• Electrical to thermal

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NGSS.MS-PS1-4

Molecules move at the same speed no matter what the temperature.

• true

• false

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NGSS.MS-PS1-4

Water particles ____________ as they gain kinetic energy and push farther apart.

• compress

• expand

• circulate

• get smaller

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NGSS.MS-PS1-4

Which process could cause a material to change state from gas to liquid?

• Adding heat

• Adding energy

• Removing particles

• Removing energy

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NGSS.MS-PS1-4