Quiz 2 - Layers of the Earth

The temperature of an object tells us...

(Pick the scientific explanation)

• How fast the liquid can flow in energy

• the speed of the particles in an object

• the degrees in meters and feet

• the amount of particles that are in the object

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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In Science we use the _______ and _______ scales to measure in degrees.

(Pick TWO)

• Celsius

• Fahrenheit

• Kevin

• Kelvin

Tags

NGSS.MS-PS3-4

What is heat?

(What is the scientific explanation?)

• The flow of energy from from cold to warm.

• The flow of water off your hand.

• The flow of energy from warmer to colder.

• The temperature of an object.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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When the flow of energy stops because both objects are the same temperatures is called...?

• thermal equilibrium

• thermal energy flow

• equal equilibrium

• contact equilibrium

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Match the following

• Insulators

• The transfer of heat through a solid by direct contact of particles

• Conduction

• Materials that allow energy to flow through them efficiently.

• Conductors

• Materials that don't allow energy to pass through them.

Tags

NGSS.MS-PS1-4

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In convection currents, hotter, more dense materials rise and cooler, less dense materials sink.

• True

• False

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NGSS.MS-ESS2-6

Match each word to the way it transfers energy

• Conduction

• Direct contact of particles

• Convection

• Through empy space by invisible electromagnetic rays

• Radiation

• In a fluid (gas or liquid) caused when hotter fluid rises and cooler fluid sinks

The two arrows represent a convection current.

Label each arrow

a

b

Cooler, more dense material

Cold, less dense material

Warmer, less dense material

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NGSS.MS-ESS2-6

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What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Tags

NGSS.MS-PS3-4