Exercise
Form 2: Temperature Changes in Surroundings
In this engaging exercise, students will explore how temperature changes in their surroundings affect different materials, conducting hands-on experiments to observe thermal expansion and contraction. Through interactive observations and data collection, learners will deepen their understanding of heat transfer and its impact on daily life.
Questions
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MultiChoice
How does the temperature of the surroundings change during an exothermic reaction?
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MultiChoice
How does the temperature of the surroundings change during an endothermic reaction?
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MultiChoice
If a beaker feels noticeably warm or hot during a chemical reaction, the reaction is:
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MultiChoice
If a glass flask feels cold to the touch while a reaction is occurring, the reaction is:
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MultiChoice
A thermometer placed in a chemical mixture reads 22°C initially and 35°C after mixing. This reaction is:
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MultiChoice
A thermometer placed in a chemical mixture drops from 25°C to 15°C. This reaction is:
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MultiChoice
Why does the temperature of the surroundings rise in an exothermic reaction?
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MultiChoice
Why does the temperature of the surroundings drop in an endothermic reaction?
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MultiChoice
Which laboratory tool is directly used to measure temperature changes during a reaction?
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MultiChoice
In an exothermic reaction, heat energy moves from:
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MultiChoice
In an endothermic reaction, heat energy moves from:
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MultiChoice
To accurately measure heat changes, reactions are performed in an: