Exothermic and Endothermic Reactions

What type of reaction occurs in hand warmers?

• exothermic

• endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

_____ reactions usually feel hot!!

• endothermic

• exothermic

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

• Exothermic

• Endothermic

Tags

NGSS.MS-PS1-4

Is this diagram showing an endothermic or exothermic reaction?

• Endothermic

• Exothermic

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

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

• Endothermic Process

• Exothermic Process

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When barium hydroxide and ammonium chloride react, the temperature of the mixture decreases. What kind of reaction is this?

• Endothermic

• Exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

In an endothermic reaction, heat is ...

• absorbed

• released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

This is an example of an...

• Exothermic chemical reaction

• Endothermic chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

The bombardier beetle's hot spray is a result of an...

• Exothermic chemical reaction

• Endothermic chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5