A measure of how much mass is contained in a given volume.

The temperature at which a substance melts.

The amount of energy in a system.

A measure of the color intensity of a substance.

A mixture that looks uniform throughout.

A mixture with distinct layers.

A mixture that can be easily separated by physical means.

A mixture that contains multiple phases.

Observations that are descriptive, only describing physical characteristics.

Observations that involve numerical data and measurements.

Observations that are based on personal opinions and feelings.

Observations that are made using scientific instruments.

mL or cm3

L or m2

kg or g

m3 or dm3

The system we write everyday numbers.

A method for writing scientific equations.

A way to represent complex numbers.

A format for writing financial statements.

A characteristic that can be measured or observed by changing the chemical identity.

A property that remains constant regardless of the amount of substance.

A characteristic that can only be observed in solid materials.

A feature that describes the physical appearance of a substance.

g/mL or g/cm3

kg/m3

g/L

mg/mL

The amount of space something takes up.

The weight of an object.

The color of an object.

The temperature of an object.

A method to convert currencies between countries.

Two values that are the same amount, but in different units. This allows one to relate one unit to another.

A formula used to calculate interest rates.

A technique for measuring temperature in different scales.

The simplest form of an element.

A large particle made of protons and neutrons.

A molecule consisting of two or more atoms.

A type of chemical bond between elements.

A measurement of events from past to future.

A method of measuring temperature.

A way to calculate distance traveled.

A concept related to financial transactions.

The amount of energy something contains.

The amount of matter (particles) something contains.

The weight of an object in a vacuum.

The volume of an object.

A variable that is manipulated by the researcher.

A variable that is measured and is affected by the independent variable.

A variable that remains constant throughout the experiment.

A variable that is not influenced by any other variable.

A variable that is manipulated by the scientist (it stands alone).

A variable that is measured in an experiment.

A variable that remains constant throughout the experiment.

A variable that is influenced by the independent variable.

A change in which matter changes its chemical identity.

A change that affects only the physical properties of a substance.

A change that occurs when a substance is mixed with another substance without any reaction.

A change that can be easily reversed without altering the substance.

A characteristic that can change the chemical identity of a substance

A characteristic that can be measured or observed without changing the chemical identity of the substance

A characteristic that only applies to gases

A characteristic that is always visible to the naked eye

A change in which matter changes form but not chemical identity.

A change that alters the chemical composition of a substance.

A process that results in the formation of a new substance.

A change that occurs only at high temperatures.

pounds, lb

grams, g (or kg, mg)

ounces, oz

stones, st

Anything that has mass and volume.

A substance that can be seen but not touched.

A form of energy that can be converted into mass.

A type of chemical reaction that produces heat.