Standard Science Primary 4 Energy

How is Alexa able to see a book resting on her desk in a dark room when she turns on a lamp?

A Light from the lamp reflects off the book and enters her eyes.
B The book gives off its own light into her eyes.
C The lamp absorbs light from the book.
D Light from her eyes reflects off the book.
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Worked Solution

Step 1: The lamp is the light source. Step 2: Light travels from the lamp to the book. Step 3: The book reflects the light. Step 4: The reflected light enters Alexa's eyes, allowing her to see it.

Correct answer: Light from the lamp reflects off the book and enters her eyes.

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