Practice OC.2b Vocabulary

Match the following

• adhesion

• A liquid's resistance to flowing.

• density

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

• surface tension

• The attraction between molecules of different substances.

• viscosity

• Mass per unit volume.

• cohesion

• The attraction between molecules of the same substance.

Match the following

• ion

• A layer of water in which the salinity changes rapidly with changes in depth.

• molecule

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

• polar molecule

• A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

• salinity

• A measure of the amount of dissolved salts in a given amount of liquid.

• halocline

• A molecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end.

Tags

NGSS.MS-PS1-1

Match the following

• hydrogen bond

• A chemical bond that involves sharing a pair of electrons between atoms in a molecule.

• covalent bond

• A chemical bond resulting from the attraction between oppositely charged ions.

• ionic bond

• A type of weak chemical bond formed when the slightly positive hydrogen atom of a water molecule is attracted to the slightly negative atom of another molecule.

Match the following

• viscosity

• 
• cohesion

• 
• surface tension

• 
• density

• 
• adhesion

• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-5

Match the following

• halocline

• 
• salinity

• 
• molecule

• 
• ion

• 
• polar molecule

• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Match the following

• covalent bond

• 
• ionic bond

• 
• hydrogen bond

• 

Tags

NGSS.MS-PS1-1