Defining the properties of matter
- Mass is the amount of matter in an object
- Volume is the space that an object occupies
- Density is the relationship between mass and volume
identifying physical changes
- Melting: snow melts in warm weather
- Boiling: water boils at 100C
- Solidification: water changes into ice at cold temperatures
iDENTIFYING CHEMICAL CHANGES
- Oxidation: a piece of iron that stays outside becomes rusty
- Combustion: a material mixes with oxygen and burns
- Fermentation:yeasts and some bacteria cause some substances to ferment if there is no air.
About
Service
Contact