Unit 1: Thermal Energy Review

What is the main question explored in Unit 1: Thermal Energy?

• How do plants grow?

• How can containers keep stuff from warming up or cooling down?

• Why do animals hibernate?

• How does electricity work?

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NGSS.MS-PS1-4

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What did the experiment in Lesson 2 aim to find out?

• Which cup features help keep a drink cold?

• How to make a drink taste better?

• Why ice melts in the sun?

• How to make a cup unbreakable?

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NGSS.MS-PS1-4

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What are some features of a cup that help keep a drink cold, according to the investigation?

• Bright colors and patterns

• Lids, double walls, and material type

• Handles and straws

• Size and shape

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NGSS.MS-PS3-3

What did the students learn about heat movement in Lesson 1?

• Heat can only move into the cup

• Heat can move into the cup or the cold can leak out

• Heat cannot move at all

• Heat only moves out of the cup

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NGSS.MS-PS1-4

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What is one feature of cups that helps keep liquids hot?

• Cups with no lids

• Cups with extra walls or layers

• Cups made of paper

• Cups with wide openings

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NGSS.MS-PS3-3

How does a lid affect the temperature change of a liquid in a cup?

• It speeds up the cooling process

• It has no effect on temperature change

• It slows down the temperature change

• It makes the liquid evaporate faster

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NGSS.MS-PS1-4

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What happens to water molecules over time in an open system?

• They turn into solid

• They turn into gas

• They remain unchanged

• They become larger

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NGSS.MS-ESS2-4

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Where do the water droplets on the outside of a cold cup come from?

• Water leaking from inside the cup

• Condensation from the humid air

• Evaporation from the cup surface

• Water absorbed from the table

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NGSS.MS-ESS2-4

What happens to the liquid in a completely closed system over time?

• It gains mass

• It loses mass

• It remains the same

• It evaporates completely

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NGSS.MS-PS1-5

How do particles behave in gases compared to liquids and solids?

• Particles in gases are tightly packed

• Particles in gases are spread out with empty space

• Particles in gases are fixed in position

• Particles in gases are denser than in solids

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NGSS.MS-PS3-4