Y8: Exothermic/Endothermic
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Éléments de cette leçon
Slide 1 - Diapositive
Y
Y
Y
Y
N
N
N
N
Slide 2 - Question de remorquage
Slide 3 - Vidéo
Slide 4 - Vidéo
Slide 5 - Diapositive
Slide 6 - Diapositive
Slide 7 - Diapositive
Slide 8 - Diapositive
Slide 9 - Diapositive
Slide 10 - Diapositive
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 11 - Quiz
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 12 - Quiz
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 13 - Quiz
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 14 - Quiz
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 15 - Quiz
Which 2 are exothermic?
Slide 16 - Question ouverte
Slide 17 - Diapositive
Exothermic
Endothermic
Energy given out
Energy taken in
Feels hot
Feels cold
Thermal decomposition
Combustion
Photosynthesis
Respiration
Freezing
Melting
Slide 18 - Question de remorquage
Look at the change in temperature. Are these reactions releasing or absorbing energy?
Exothermic
Exothermic
Endothermic
Endothermic
Slide 19 - Question de remorquage
Slide 20 - Diapositive
Slide 21 - Diapositive
Beaker
Lid
Thermometer
Reactants
Polystyrene cups
Slide 22 - Question de remorquage
Suggest why we used a lid and polystyrene cups.
Slide 23 - Question ouverte
Suggest why it would be better to stir the reactants.
Slide 24 - Question ouverte
A substance was dissolved in water at 20 . It was an exothermic reaction. Suggest a temperature for the water after the reaction. Explain your answer.
°C
Slide 25 - Question ouverte
energy
energy
from
to
transferred
exothermic
surroundings
endothermic
