Properties of Matter: What is Matter? Matter is defined as anything that has mass and takes up space. Can you give an example of matter??
Mass: How do you define mass? – The amount of matter an object has. Which has a greater mass, a tennis ball or bowling ball? Which has more matter?
Mass vs. Weight Is your mass the same on moon as it is on the Earth? Is your weight the same on moon as it is on the Earth? – What is the difference between mass and weight?
Substance: Matter must have uniform composition Matter must have definite composition All samples of a substance must have identical physical properties Pure substances contain only one type of matter
Physical Properties A condition of a substance that can be observed or measured without changing a substances chemical composition.
Physical Properties What are some words that indicate physical properties? Solubility, density, melting point, boiling point, color, odor
What are the three states of matter? Solid Liquid Gas
Solids: Matter that has definite shape and volume Expand slightly Incompressible
Liquids: Fixed volume Takes shape of their container Can flow Incompressible Expand when heated
Gas: Takes shape and volume of its container Easily compressed Flow Particles are spaced far apart