2.0 Heat affects matter in different ways. 2.1 States of Matter and The Particle Model of Matter. Matter is made up of tiny particles and exists in three states: solid, liquid and gas. The Particle Model of Matter is a scientific description of the tiny particles that make up all things.
The definition of a bough is the branch of a tree. An example of bough is the branch of a cherry tree. branch of a tree, esp. a main branch. Origin of bough.
bovine-dull and slow-moving and stolid; like an ox; showed a bovine apathy. dull-lacking in liveliness or animation; he was so dull at parties; a dull political campaign; a large dull impassive man; dull days with nothing to do; how dull and dreary the world is; fell back into one of her dull moods.