Question 1

the property of having a negative and positive part

Accepted Answer

polarity

Question 2

water is the _______ because it dissolves many substances.

Accepted Answer

universal solvent

Question 3

a liquid substance capable of dissolving other substances

Accepted Answer

solvent

Question 4

the ability of one substance to dissolve in another at a given temperature and pressure

Accepted Answer

solubility

Question 5

an attraction between molecules of the same substance

Accepted Answer

cohesion

Question 6

An attraction between molecules of different substances

Accepted Answer

adhesion

Question 7

The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius

Accepted Answer

specific heat

Question 8

the amount of mass in a given volume

Accepted Answer

density

Question 9

A measure of how difficult it is to stretch or break the surface of a liquid

Accepted Answer

surface tension

Question 10

The amount of energy required for the liquid at its boiling point to become a gas

Accepted Answer

heat of vaporization

Question 11

the attraction of the surface of a liquid to the surface of a solid; causes water to rise within a tube

Accepted Answer

capillary action

Question 12

solid, liquid, gas

Accepted Answer

states of matter

Question 13

the temperature at which a liquid changes to a solid

Accepted Answer

freezing point

Question 14

the temperature at which a solid becomes a liquid

Accepted Answer

melting point

Question 15

All the water at and near the surface of the earth

Accepted Answer

hydrosphere

Question 16

The continuous process by which water moves from Earth's surface to the atmosphere and back

Accepted Answer

water cycle

Question 17

The cycle through which water in the hydrosphere moves; includes such processes as evaporation, precipitation, and surface and groundwater runoff

Accepted Answer

hydrologic cycle

Question 18

The change of state from a liquid to a gas

Accepted Answer

evaporation

Question 19

The change of state from a gas to a liquid

Accepted Answer

condensation

Question 20

evaporation of water from the leaves of a plant

Accepted Answer

transpiration

Question 21

any form of water that falls from clouds and reaches Earth's surface.

Accepted Answer

precipitation

Question 22

The area of land drained by a river and its branches; made of many different watersheds

Accepted Answer

river basin

Question 23

An ecosystem where all water runoff drains into a single body of water

Accepted Answer

watershed

Question 24

The ability of a rock or sediment to let fluids pass through its open spaces, or pores.

Accepted Answer

permeability

Question 25

Downward movement of liquid through soil.

Accepted Answer

infiltration

Question 26

a large natural or artificial lake used as a source of water supply.

Accepted Answer

reservoir

Question 27

a body of permeable rock that can contain or transmit groundwater.

Accepted Answer

aquifer

Question 28

water above the surface of the land, including lakes, rivers, streams, ponds, floodwater, and runoff.

Accepted Answer

surface water

Question 29

water held underground in the soil or in pores and crevices in rock.

Accepted Answer

groundwater

Question 30

the amount of dissolved salts in a given amount of liquid

Accepted Answer

salinity

Question 31

a chemical bond formed when two atoms share electrons

Accepted Answer

covalent bond

Question 32

attraction between a slightly positive hydrogen atom and a slightly negative atom.

Accepted Answer

hydrogen bond

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