Y8: Exothermic/Endothermic
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Slide 1 - Tekstslide
Y
Y
Y
Y
N
N
N
N
Slide 2 - Sleepvraag
Slide 3 - Video
Slide 4 - Video
Slide 5 - Tekstslide
Slide 6 - Tekstslide
Slide 7 - Tekstslide
Slide 8 - Tekstslide
Slide 9 - Tekstslide
Slide 10 - Tekstslide
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 11 - Quizvraag
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 12 - Quizvraag
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 13 - Quizvraag
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 14 - Quizvraag
Exothermic or endothermic?
A
Exothermic
B
Endothermic
Slide 15 - Quizvraag
Which 2 are exothermic?
Slide 16 - Open vraag
Slide 17 - Tekstslide
Exothermic
Endothermic
Energy given out
Energy taken in
Feels hot
Feels cold
Thermal decomposition
Combustion
Photosynthesis
Respiration
Freezing
Melting
Slide 18 - Sleepvraag
Look at the change in temperature. Are these reactions releasing or absorbing energy?
Exothermic
Exothermic
Endothermic
Endothermic
Slide 19 - Sleepvraag
Slide 20 - Tekstslide
Slide 21 - Tekstslide
Beaker
Lid
Thermometer
Reactants
Polystyrene cups
Slide 22 - Sleepvraag
Suggest why we used a lid and polystyrene cups.
Slide 23 - Open vraag
Suggest why it would be better to stir the reactants.
Slide 24 - Open vraag
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 - Open vraag
energy
energy
from
to
transferred
exothermic
surroundings
endothermic
