click below
click below
Normal Size Small Size show me how
Properties of Object
Matter
Term | Definition |
---|---|
Atom | smallest unit of matter |
Matter | anything that has mass or volume |
Examples of matter | Humans, smoke,textbook , water,ladybug ..etc |
Examples of non-matter | Energy light & sound |
Mass | How much matter is in something |
Weight | The pull of gravity on an object |
Element | Contains only one type of atom |
Molecule | Two or more atoms that are chemically combined |
Formula for volume : | length* width* height |
Formula for density : | mass/volume |
Earth - Moon mass and weight | Mass stays the same . Weight decreases on the moon because there is less gravity. |
How can you separate compounds? | By breaking the bonds between two or more atoms |
Do atoms and molecules move? | Yes,all atoms and molecules move. They vibrate in a solid. They slide in a liquid. They move freely in gas |
What does it mean if a substance is pure? | It only has one type of component . |