Fall trees with newsprint trunks. Maybe have kids look up images of trees on computers and discuss how they would change the art project to fit the season. ie What would the bare branches look like in art
By gulbin - Some watercolor paintings start out by washing the background paper with clear water. When I say 'washing', I mean laying down the water with a larger brush, or even a paper towel soaked in water.
Intro to pastels for kids: blending with oil pastels activity sheet. Useful for differentiation, to help students that may otherwise struggle with understanding blending. It could also act as a means of assessment to gauge their understanding.