endothermic and exothermic

In an exothermic reaction, heat is ...

• taken in
• given out

In an endothermic reaction, heat is ...

• taken in

• given out

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

• Stay the same

• Increase

• Decrease

In an endothermic reaction the reaction is releasing energy.

• True

• False

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 

• Warm
• Cold

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

• The temperature did not change.

• It is an endothermic reaction

• It is an exothermic reaction

• Energy is released from the reaction into the surrounding.

Baking bread and cooking an egg require an input of heat. These would be examples of....?

• Endothermic processes

• Exothermic processess

• None of these

Photosynthesis takes place inside of leaf cells. Sunlight is required. Is this an Exothermic or an Endothermic reaction?

• Endothermic

• Exothermic

What type of reaction is shown in the photo?

• Exothermic
• Isothermic
• Endothermic
• None of the  above

Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?

• It is an exothermic reaction
• It is an endothermic reaction
• It is made of ice
• It is dissolving your mouth