Exothermic or Endothermic

An endothermic reaction

• Releases heat

• Absorbs heat

• Discovers

• Relieves

An exothermic reaction

• Releases heat

• Absorbs heat

• Discovers

• Relieves

Sitting by a warm campfire on a cold night, the campfire is an example of

• An exothermic reaction

• An endothermic reaction

Water condensing from a gas to a liquid releases energy. This is an example of...

• An exothermic reaction

• An endothermic reaction

Which of the following are examples of an exothermic chemical reaction? Check all that apply.

• Photosynthesis

• Burning a piece of wood

• Freezing water into ice

• None of the above

If you feel the temperature decrease in a reaction then it is

• Exothermic

• Endothermic

If you feel the temperature increase in a chemical reaction, then it is

• Endothermic

• Exothermic

Photosynthesis absorbs the energy of the sun to produce glucose and oxygen. This reaction is

• Exothermic

• Endothermic

Burning and combustion

• Endothermic

• Exothermic

Evaporation of sweat

• Endothermic

• Exothermic