You will see that the leaves of an under-watered marijuana plants are firm and curling down because there is a lot of water to hold in its leaves. The leaves appear healthy but bent. The firmness of the leaves can be observed by touching it. The over-watered marijuana plant has a weak, bendy, and unhealthy leaves.
A compass needle's north point has to be attracted to the end of the Earth which it would on the actual Earth, and as the compass needle has north at the North end, that end is attracted to a south magnetic pole. (The capitalisation convention on this page is that geographical things have initial letter capitals (eg.
The north pole is normally shown as N and the south pole as S. Magnets are made from magnetic materials. These are metals that can be magnetised or will be attracted to a magnet. Most materials are not magnetic, but iron, cobalt and nickel are magnetic. Steel is mostly iron, so steel is magnetic too. Attract and repel. If you bring two bar magnets together, there are two things that can happen: 1  if you bring a north pole and a south pole together, they attract and the magnets may stick together. 2  if you bring two north poles together, or two south poles together, they repel and the magnets push each other away.