Earth Science Quiz
17 questions · no time limit
0:00
MINERALS AND ROCKS
Question 1 of 17
No time limit
Current
Answered
Flagged
Not seen
A student identifies a mineral as sulfur based solely on its distinct yellow color. However, a subsequent test shows the mineral can easily scratch a copper penny (Mohs hardness ≈ 3.5). Why is the student's initial identification likely incorrect?
YOUR PROGRESS
17
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCD
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end