Question

The pictures below show what happens when a wooden block and an iron nail are held near a compass and a magnet one at a time.


needle does not move
needle moves


block does not stick
nail sticks

What conclusion best fits the observations in the pictures?
A.
A compass needle is like a magnet because it pulls on iron metal but not wood.
B.
A compass needle is not like a magnet because it is not moved by iron metal.
C.
A compass needle is not like a magnet because it is not moved by wood.
D.
A compass needle is like a magnet because it pulls on wood but not iron metal.

Answer 1

A.

The compass needle moves when the iron nail is nearby and doesn't move with the wooden block. The magnet likewise attracts the nail but not the wood. This shows the compass needle behaves like a magnet (it interacts with iron but not with wood).