To remove or wipe out something completely, leaving no trace.
Thinking about something all the time, or doing something over and over again.
The scientific study of the oceans and the seas, exploring how marine plants and animals interact with the environment.
In music, an octave is the interval or space between eight notes.
A slow-drying paint with an oil base. Powdered pigments made from natural and artificial substances are mixed with linseed, walnut, or poppy oil to make oil paint.
A type of crayon made of pigment, linseed or poppy oil, and wax.
Not allowing light to pass through. Not reflecting or giving off light.
Loose, curvy, often irregular shapes, for example objects such as shells or leaves that you find in nature.
New and unique. An original work of art is created directly by a particular artist, rather than copying or imitating something else.