Always put paintbrushes in the dirty paintbrush bucket facedown.
Use egg cartoons when using tempera paint or acrylic.
Clean up your paint mess. Please make a mess, but clean it up.
Tempera paint is the general paint we use. It is great for paper and learning to mix colors.
It isn't great for surfaces that are not paper.
Acrylic Paint is a permanent paint that has lots of potentials. Here are some reasons to use it:
You want to work with layers of paint. Lots of layers.
You are painting paper-mache.
You are painting something other than paper (canvas, wood, etc.)