Endothermic vs exothermic

In an endothermic reaction, energy is _________.

• absorbed

• released

____ reactions usually feel cold.

• endothermic

• exothermic

Endo means in or _______.

• absorbed

• released

Exo means out or ________.

• absorbed

• released

What instrument would you use to detect an endothermic or exothermic reaction?

• triple beam balance

• ruler

• thermometer

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

• Stay the same
• Increase
• Decrease

Photosynthesis

• endothermic

• exothermic

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

• exothermic

• endothermic

In an exothermic reaction, heat is ...

• absorbed from the environment

• released into the environment

What type of reaction is shown in the photo?

• Exothermic
• Isothermic
• Endothermic
• None of the  above