Question

Which sentence is an example of how a scientist might use a model? A. A stopwatch is used to time the rate of a chemical reaction. B. A microscope is used to magnify a group of cells on a slide. C. A wrench is used to tighten a nut onto a piece of wood. D. The end of a slinky is moved vertically up and down to simulate a wave​

Answer 1

Answer:

D. The end of a slinky is moved vertically up and down to simulate a wave​

Explanation:

Because it is simulation, it should be a model. The other choices are not simulation or model.

I took the test  before. I got all the answer correct and got 100% score.

You can see my other article just search in search engine with: Learningandassignments diy4pro

Click on my site and find these related article post:

Unit 1 Test Physical Science Grade 8

Hope it helps.

Answer 2

Answer:

D

Explanation: