VC- Thermal Energy (LIVE Review)

All matter consists of molecules that are constantly in motion.

• true

• false

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Temperature is the measure of the average _____________ of a substance’s molecules.

• mass

• speed

• spacing

• Kinetic energy

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

After a thunderstorm, the sun comes out and warms a puddle of water that is on the sidewalk. As the puddle of water gets warmer, its molecules:

• speed up

• slow down

• take up less space

• gain kinetic energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A thermometer shows the temperature outside to be 35 degrees C. Calculate the temperature in Fahrenheit.

C x 2 + 30

• 100

• 95

• 105

• 90

The average human temperature is around 98 degrees Fahrenheit. Convert this to celsius.

F - 30 / 2

• 34

• 83

• 43

• 38

Water boils at 100 degrees celsius. What is the boiling temperature of water in Kelvin?

C + 273

• 373

• 273

• 473

• 173

The hotter an object, the faster the molecules in it move.

• true

• false

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Protons and electrons

• attract each other

• repel each other

• other

Opposite charges attract and like charges

• attract each other

• repel each other

• other

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What two types of energy do molecules in matter possess?

• potential energy

• kinetic energy

• gravity

• thermal energy

Tags

NGSS.MS-PS3-2