Unit 1 Vocab

Dimensional Analysis

• The skill of converting a value from one unit to another by using conversion factors.

• A method for solving equations without variables.

• A technique for measuring physical dimensions in geometry.

• A process for analyzing the dimensions of a physical object.

Density

• 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.

Homogeneous Mixture

• 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.

Qualitative

• 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.

Units for volume V

• mL or cm3

• L or m2

• kg or g

• m3 or dm3

Standard Notation

• The system we write everyday numbers.

• A method for writing scientific equations.

• A way to represent complex numbers.

• A format for writing financial statements.

Chemical Property

• 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.

Units for Density D

• g/mL or g/cm3

• kg/m3

• g/L

• mg/mL

Volume

• The amount of space something takes up.

• The weight of an object.

• The color of an object.

• The temperature of an object.

Conversion Factor

• 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.