Exothermic & Endothermic Reactions Practice

In an exothermic reaction, heat is ...

• absorbed

• released

In an endothermic reaction, heat is ...

• absorbed

• released

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

• Stay the same
• Increase
• Decrease

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In an endothermic reaction the system is releasing energy.

• True
• False

Tags

NGSS.MS-PS1-6

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

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

• Endothermic processes
• Exothermic processess
• None of these 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What type of reaction is shown in the photo?

• Exothermic
• Isothermic
• Endothermic
• None of the  above

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What type of reaction occurs in a hand warmer?

• exothermic

• endothermic

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following process is exothermic?

• Candle was melting

• A puddle evaporating

• Dry ice (solid carbon dioxide) subliming to form gaseous carbon dioxide

• Water freezing to form ice

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-6

NGSS.MS-PS3-4

When you freeze water, it turns to ice.  What kind of change is this?

•  Physical
• Chemical

Tags

NGSS.MS-PS1-4