Advanced Science Primary 4 Energy

Study the experimental setup below. Both beakers contain the same amount of water at 30°C and are placed under the sun. Which beaker will show a higher temperature after 1 hour?

A Beaker A (wrapped in black paper)
B Beaker B (wrapped in white paper)
C Both will have the same temperature
D The temperature will not change
Show Worked Solution

Worked Solution

Step 1: Identify the variable (color of paper). Step 2: Recall that dark/black surfaces are better absorbers of heat. Step 3: Beaker A will gain heat faster and reach a higher temperature.

Correct answer: Beaker A (wrapped in black paper)

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