a scale and weights a magnet a sieve a battery and wire
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student is given a mixture of gravel and sand and instructed to separate them. Which tool should the student use to best complete this task?
Possibilities:
- a scale and weights
- a magnet
- a sieve
- a battery and wire

a sieve