Matter Flashcards
Definiton of matter
Anything that has mass and takes up volume
Two types of matter
Pure and mixed substance
Types of pure substance
Element(H) and compound (H2O)
Type of mixed substance
Mechanical mixture (pizza) and soloution (salt water)
Types of property in matter
Physical (description of substance) and Chemical (description of how chemical reacts with others)
What is a physical change
Reversible change that does not produce a new element. Eg Melting ice
What is a chemical reaction
A reaction creating a substance. Irreversible. Eg cooking an egg.
5 clues a chemical reaction took place.
A new color. Heat or light given off. Bubble of gas. New solid material (precipitate). New odor.
Is melting cheese physical or chemical
Physical
Is burning wood physical or chemical
Chemical
Is milk souring physical or chemical
Chemical
Is making a paper airplane physical or chemical
Physical
Is iron rusting physical or chemical
Chemical