Energy, Diagrams, Phase Change

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

Tags

NGSS.HS-PS1-4

In an endothermic reaction the system is releasing energy.

• True
• False

Is the combustion of gasoline endothermic or exothermic?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 

• Warm
• Cold

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Surrounding temperature gets cold

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

In an exothermic reaction, heat is ...

• taken in
• given out

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is ,,,

• taken in
• given out

Tags

NGSS.HS-PS1-4

What is 0.00 degrees Kelvin known as

• No such thing
• Very cold
• Freezing point of Water
• Absolute Zero

How do you convert Celsius to Kelvin?

• Add 273
• Subtract 273
• You can't convert those
• They are the same thing