Exothermic and Endothermic Reactions and Profiles

What type of chemical reaction absorbs energy and requires energy for the reaction to occur?

• Endothermic

• Exotermic

• Exothermic

• Endotermic

Tags

NGSS.HS-PS1-4

In an exothermic reaction, heat is ...

• taken in

• given out

Tags

NGSS.HS-PS1-4

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

• Stay the same

• Increase

• Decrease

Tags

NGSS.HS-PS1-4

What type of reaction is shown in the photo?

• Exothermic

• Isothermic

• Endothermic

• None of the  above

Tags

NGSS.HS-PS1-4

____ reactions usually feel cold.

• endothermic

• exothermic

Tags

NGSS.HS-PS1-5

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

• Exothermic

• Endothermic

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-PS3-4

In an endothermic reaction the system is releasing energy.

• True

• False

After endothermic and exothermic reactions matter _________________.

• stays the same.

• is destroyed.

• is created.

• is denser.

Tags

NGSS.HS-PS1-4

The graph above is from which type of reaction?

• Endothermic reaction

• Exothermic reaction

Tags

NGSS.HS-PS1-4