Endothermic Exothermic Reactions

An endothermic reaction occurs in a beaker. If we touched the beaker, it would most likely feel _______. 

• warm

• cold

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• stay the same

• increase

• decrease

Tags

NGSS.HS-PS1-4

Baking bread and cooking an egg are examples of....?

• Endothermic Process

• Exothermic Process

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

When iron nails get rusty, heat is released.  What process is this?

• Exothermic

• Endothermic

Tags

NGSS.HS-PS1-4

In an endothermic reaction, energy is _________.

• absorbed

• released

Tags

NGSS.HS-PS1-4

During an endothermic reaction, heat is ________ and chemical bonds _______.

• released, formed

• absorbed, broken

• released, broken

• absorbed, formed

Tags

NGSS.HS-PS1-4

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

During an exothermic reaction, heat is _________ and chemical bonds __________.

• released, formed

• absorbed, broken

• released, broken

• absorbed, formed

Tags

NGSS.HS-PS1-4

The initial temperature was measured to be 20^oC and the final temperature was 45^oC. The reaction was

• exothermic

• endothermic

Tags

NGSS.HS-PS3-4