QUESTION IMAGE
Question
task 17:
which graph type is most appropriate for showing continuous data like temperature changes over 24 hours?
a) pie chart
b) bar graph
c) line graph
d) table
task 18:
if data points are scattered with no clear pattern on a graph, what can you conclude?
a) there is a strong relationship
b) there is no clear relationship
c) the experiment failed
d) more bars are needed
task 19:
what does a plateau on a heating curve represent?
a) temperature is rising rapidly
b) substance is melting or boiling
c) substance is cooling down
d) no heat is added
Brief Explanations
- Task 17: Un graphique en ligne est idéal pour montrer des données continues telles que les changements de température au fil du temps car il montre clairement la tendance et les variations.
- Task 18: Si les points de données sont dispersés sans un motif clair sur un graphique, cela indique qu'il n'y a pas de relation claire entre les variables étudiées.
- Task 19: Sur une courbe de chauffage, un plateau signifie que la température reste constante tandis que la substance fond (passage solide - liquide) ou bout (passage liquide - gaz), ce qui est une phase de changement d'état.
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- Task 17: C) Line graph
- Task 18: B) There is no clear relationship
- Task 19: B) Substance is melting or boiling