
Periodical Test in Science 7
Quiz by Jennifer Mangalindan
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1. What is a scientific model?
A. A drawing or representation used to explain ideas
B. A rule that never changes
C. A type of experiment
D. A measurement tool
Why do scientists use models to explain things they cannot see directly?
A. To avoid experiments
B. To simplify complex ideas
C. To prove their guesses
D. To replace real objects