Sagot :
Answer:
46. State means a trait that can describe matter. (not sure if its state or property)
47.Matter is anything that Has mass and take up space.
48.Matter that does not have a certain size or shape is a gas.
49.Heat is the flow of thermal energy from a warmer object to a cooler one.
50.Change of matter in size, shape or state without any change in identity is called a physical change.