Endothermic/Exothermic Reactions

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An endothermic reaction is______

• a reaction in which heat moves out of the system
• a reaction in which heat moves into the system
• a reaction that is happening because it is warm outside.

An exothermic reaction is______

• a reaction in which heat moves out of the system
• a reaction in which heat moves into the system
• a reaction that is happening because it is warm outside.

exo means____

• to go in
• to go out
• to stay put

endo means____

• to go in
• to go out
• to stay put

melting and boiling are____

• endothermic reactions because heat has to go into the system
• exothermic reaction because heat has to leave the system

freezing and condensing are____

• endothermic reactions because heat has to go into the system
• exothermic reaction because heat has to leave the system

Exothermic reactions _______

• release energy
• absorb energy
• are only physical reactions
• are only chemical reactions

Endothermic reactions _______

• release energy
• absorb energy
• are only physical reactions
• are only chemical reactions