MATTER
PHYSICAL CHANGES
They are changes of matter and then.When you put water in a vase they were down then put soil the soil they were up when you put one pill and all mix.
VOLUME
Volume is the space that an object occupies.The volume nears in height and width.
Examples:
-An football pitch have more volume that a tennis ball.
-An basketball court have more volume that a basketball ball.
DENSITY
Density refers to the concentration of matter in a particular volume.
We calculate density of an object dividing mass by its volume, we need to know mass and its volume.
- A can of Pepsi diet fleet and a normal not.
Mass
Mass is the amount of matter in one object.Mass nears in kilograms (kg) or in grams (gr)
-A tennis ball has more mass that a marble.
