Matter Basics
What is anything that has mass and takes up space?
Matter
Which property depends on the amount of matter present?
Extensive Property
What are the three main states of matter?
Solid, liquid, gas
What is a mixture with uniform composition?
Homogeneous Mixture
What is the simplest form of matter with unique properties?
Element
What is a substance that cannot be separated into simpler substances?
Pure Substance
Which property does not depend on the amount of matter?
Intensive Property
What type of change is melting ice?
Physical change
What is a mixture with visibly different parts?
Heterogeneous Mixture
What is a substance made of two or more elements chemically combined?
Compound
What is the measure of the amount of matter in an object?
Mass
Give an example of a physical property.
Color, melting point, density, etc.
What type of change is burning wood?
Chemical change
Give one method for separating mixtures.
Filtration, distillation, evaporation, chromatography, etc.
True or False: A compound can be separated by physical means.
False
What is the amount of space an object occupies?
Volume
Give an example of a chemical property.
Flammability, reactivity, rusting tendency
When matter changes from liquid to gas, what is this called?
Evaporation/boiling
Salt water is an example of what type of mixture?
Homogeneous
What is the smallest particle of an element?
Atom
Give an example of matter.
Air, water, desk, rock, etc.
What is density: intensive or extensive?
Intensive
When gas changes to liquid, what is this called?
Condensation
Sand and water is an example of what type of mixture?
Heterogeneous
Give one example of a compound.
Water (H₂O), Carbon Dioxide (CO₂), Salt (NaCl), etc.