Unit 4-Water Chem vocab practice

What is the term for water that is a mixture of salt and fresh, usually found in estuaries?

• Hypersaline

• Brackish

• Salinity

• Ion

What does the term "density" refer to?

• The amount of heat needed to increase the temperature of an object

• The degree of compactness of a substance

• The total amount of dissolved salts in a water sample

• The change of state from a gas to a liquid

What is "heat capacity"?

• The degree of compactness of a substance

• The amount of heat needed to increase the temperature of an object exactly 1°C

• The change of state from a liquid to a gas

• The ability of a surface to reflect light

What does "hypersaline" refer to?

• Water with salt levels surpassing that of normal ocean water

• The total amount of dissolved salts in a water sample

• An atom or group of atoms that has a positive or negative charge

• Incoming solar radiation

What does "pH" measure?

• The degree of compactness of a substance

• Hydrogen ion concentration, acidity or basicity of a substance

• The change of state from a gas to a liquid

• The ability of a surface to reflect light

What is "salinity"?

• The total amount of dissolved salts in a water sample

• The change of state from a liquid to a gas

• The amount of heat needed to increase the temperature of an object

• The depth in the oceans below which calcite dissolves

What is an "ion"?

• An atom or group of atoms that has a positive or negative charge

• The change of state from a gas to a liquid

• The degree of compactness of a substance

• Incoming solar radiation

What is "evaporation"?

• The change of state from a liquid to a gas

• The change of state from a gas to a liquid

• Any form of water that falls from clouds and reaches Earth's surface

• Loss of water from a plant through its leaves

What is "condensation"?

• The change of state from a liquid to a gas

• The change of state from a gas to a liquid

• Any form of water that falls from clouds and reaches Earth's surface

• Loss of water from a plant through its leaves

What is "precipitation"?

• The change of state from a liquid to a gas

• The change of state from a gas to a liquid

• Any form of water that falls from clouds and reaches Earth's surface

• Loss of water from a plant through its leaves