9
QuizMultiple Choice

Minerals

Question 9 • WCA 4130 Earth and Space Science 1st Quarter 26-27

Which statement describes streak?

Answer
A
Streak refers to the way light is reflected by a mineral.
B
Streak is the least accurate way to identify minerals.
C
Streak is tested by scraping a mineral across a streak plate.
D
The color of the streak is the same as the color of the mineral.

Explanation

Streak is the color of a mineral in powdered form. It is tested by scraping the mineral across an unglazed porcelain streak plate and observing the powder it leaves behind. Reflection describes luster, and a mineral’s streak color can differ from its surface color.

AI-written and checked against the verified answer.

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