How many laws of thermodynamics are there?

• a lot
• 3
• 4
• 1

Which way does heat flow?

• hot to cold
• cold to hot
• it doesn't 

Tags

NGSS.HS-PS3-4

What is absolute zero?

• 0 K
• 273 K
• 0^oC

Tags

NGSS.HS-PS3-2

What heat transfer happens when you burn your hand by touching a fire?

• Radiation
• Conduction
• Convectio
• I don't know!!!!!!!!!!!

Tags

NGSS.MS-PS1-4

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

Tags

NGSS.HS-PS3-4

Dragging an object across a rough surface makes it warm, or even hot. The temperature increase occurs because of

• Work
• Heat
• Thermal
• Both work and heat

Tags

NGSS.HS-PS3-4

Entropy increases from solid, liquid to gas. Why?

• Molecular disorder increases
• Molecular randomness decreases
• Molecules are more energetic
• Molecules are more reactive

Tags

NGSS.MS-PS1-4

The total amount of energy in a system is ALWAYS ________.

• increasing
• decreasing
• conserved 
• changing

Tags

NGSS.HS-PS3-2

The transfer of thermal energy between objects of different temperatures is called...

• temperature
• heat
• internal energy
• none of these

Tags

NGSS.HS-PS3-4

It is possible to reach absolute zero

• true
• false

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5