What is an exothermic reaction?
  • heat energy is given out to the surroundings
  • heat energy is taken into the substance
  • no energy is given out
Exothermic reactions give out heat energy to the surroundings?
  • True
  • False
Which of the following process is exothermic?
  • Candle melting
  • A puddle evaporating
  • Dry ice (solid carbon dioxide) subliming to form gaseous carbon dioxide
  • Water freezing to form ice
What is an example of exothermic?
  • firework
  • ice pack
  • coal
  • wood
What type of reaction occurs in a hand warmer?
sc-5 sb-6-Endothermic and Exothermic Reactionsimg_no 215.jpg
  • exothermic
  • endothermic
What type of reaction is shown in the photo?
sc-5 sb-6-Endothermic and Exothermic Reactionsimg_no 216.jpg
  • Exothermic
  • Isothermic
  • Endothermic
  • None of the  above
If a chemical reaction is EXOTHERMIC, the temperature would....
  • Stay the same
  • Increase
  • Decrease
In an exothermic reaction, heat is ...
  • taken in
  • given out
Endothermic means energy _______.
  • absorbed
  • released
____ reactions usually feel cold.
sc-5 sb-6-Endothermic and Exothermic Reactionsimg_no 217.jpg
  • endothermic
  • exothermic
Is photosnythesis an Exothermic or an Endothermic reaction?
sc-5 sb-6-Endothermic and Exothermic Reactionsimg_no 218.jpg
  • Endothermic
  • Exothermic
Baking bread and cooking an egg are examples of....?
sc-5 sb-6-Endothermic and Exothermic Reactionsimg_no 219.jpg
  • Endothermic processes
  • Exothermic processess
  • None of these 
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?
sc-5 sb-6-Endothermic and Exothermic Reactionsimg_no 220.jpg
  • The temperature changed
  • It is an endothermic reaction
  • It is an exothermic reaction
In an endothermic reaction, heat is ...
  • taken in
  • given out
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