Matter
Type of mixture of salad dressing (2 terms)
What is heterogeneous mixture; suspension
Two groups of pure substances
What are elements and compounds
Rusting iron
What is a chemical change
Term for the variable you change in an experiment
What is independent?
Definition of matter
What is has mass and has volume
Type of mixture exhibiting the Tyndall effect
What is a colloid
Simplest form of elements on Earth
What is an atom
A theory vs. a law
A theory is an explanation; a law is a statement (descriptive)
Three ways a physical change can happen
What are cutting, grinding, and bending
Process that separates out liquids
What is a distillation
Substance that can be separated into simpler substances only by chemical means
What is compound
Formation of frost
What is a physical change
Field of chemistry that focuses on identifying and describing materials
What is analytical chemistry
These states of matter exist inside of you?
What are gas, liquid and solid
Fog is this type of mixture (2 terms)
Heterogenous; Colloid
What special name do homogeneous mixtures have?
What is a solution
Four signs of a chemical change
What is release of heat/light; color change; formation of a precipitate, production of a gas
mass/volume
What is a density
States that matter can neither be created nor destroyed
What is the Law of Conservation of Mass
Filtration separates components of a mixture based on this physical property
What is particle size (OR state of matter - solid and liquid)
Atomic symbol for boron
What is B
Phase changes
What are physical changes
What is extensive?