Unit 2 Test Vocab

Question 1

Qualitive

Answer 1

Measurements that involve descriptions of physical characteristics; no numbers

Question 2

Quantitive

Answer 2

Measurements that involve numbers

Question 3

Physical Properties

Answer 3

Properties that describe the look or feel of a substance

Question 4

Chemical properties

Answer 4

A property of matter that shows a change in composition (chemical formula)

Question 5

Polarity

Answer 5

The electrical charge of the molecule isn’t evenly distributed, the atoms are not in a straight line

Question 6

Universal solvent

Answer 6

Ability to dissolve a multitude if different polar substances

Question 7

Density (properties of water)

Answer 7

Due to its polar nature, solid water (ice) expands as it freezes and ice FLOATS on liquid water

Question 8

Cohesive

Answer 8

Attracted to itself (sticks to itself)

Question 9

Capillary action

Answer 9

The ability to travel and diffuse through small tubes and spaces to expand itself

Question 10

Surface tension

Answer 10

The tension of the surface of the liquid caused by the attraction of particles on the surface level. Resists pressure

Question 11

Adhesive

Answer 11

Sticks to others or something else well

Question 12

High specific heat capacity (properties of water)

Answer 12

Water requires a high amount of energy to heat itself up, but holds heat well

Question 13

Solubility

Answer 13

The ability for one substance to dissolve into another substance

Question 14

Solute

Answer 14

The substance or particle being dissolved

Question 15

Solvent

Answer 15

The substance that dissolves the solute, creating a solution

Question 16

Concentration (relative)

Answer 16

The measurement of a solute that is dissolved into the solvent

Question 17

Molarity

Answer 17

When a solution needs to be described in a quantitive way

Question 18

Soluble

Answer 18

Is able to be dissolved into the solvent it is placed into

Question 19

Insoluble

Answer 19

It is not able to be dissolved into the solvent it is placed into

Question 20

Unsaturated solutions

Answer 20

A solution in which more solute can be dissolved

Question 21

Saturated solutions

Answer 21

Contains the max amount of solute able to be dissolved into a certain amount of solvent at specific conditions.

Question 22

Supersaturated solutions

Answer 22

Have more solute dissolved into solution that should be able to

Question 23

Filtration

Answer 23

Liquid and solid components that can be separated by pouring through filter paper

Question 24

Chromography

Answer 24

Allow a mixture to flow along a stationary substance and components sperate out based on attraction to the stationary substance

Question 25

Crystallization

Answer 25

Allow a mixture to evaporate partially

Question 26

Distillation

Answer 26

Components separate by boiling point

Question 27

Electrolysis

Answer 27

To tear apart with electricity; an electrical current will pass through the substance, if it is a compound it will be broken into elements

Question 28

Humidity

Answer 28

The measure of the amount of water vapor in the air

Question 29

Transpiration

Answer 29

When the pores of the plant’s leaves are opened and the water is converted into gas

Question 30

Runoff

Answer 30

Flowing water

Question 31

Frost wedging

Answer 31

Physical weathering where rock is split apart by the expansion of water freezing in small cracks

Question 32

Rootwedging

Answer 32

Plants and trees send out roots to seek water and nutrients from the ground; the roots can move into small spaces and cracks in their search

Question 33

Abrasion

Answer 33

Wind and water can carry tiny particles of debris; when these particles are washed against or blown past rock to wear it down

Question 34

Erosion

Answer 34

Wind and water carry tiny particles of debris to slowly reshape the land

Question 35

Despostion

Answer 35

The process that as water wears down the land, it takes the land and minerals with it and deposits it to a new site

Question 36

The physical and chemical alteration of the rocks near or at the Earth’s surface

Answer 36

Weathering