| A | B |
| boring | notinteresting |
| terror | strong fear |
| board | get on |
| phobia | illogical fear |
| harmless | not dangerous |
| rushing | hurrying |
| instructors | teachers |
| initials | the first letter of each name |
| hired | given a joba |
| as long as | while |
| calm | not excited or angry |
| stories | floors |
| architects | people who design buildings |
| pleasanter | nicer |
| in addition | and |
| earthquakes | movements of the earth |
| communicate | exchange information |
| prefer | like better |
| divided | separated |
| respond | answer |
| kicking | using the foot |
| common | ordinary, easy to find |
| permitting | allowing |
| clockwise | the direction the hands of the clock go |
| counterclockwise | the direction opposite the hands of the clock go |
| actually | really |
| complex | complicated |
| discussing | talking about |
| solar | of the sun |
| create | make |
| so far | until now |
| fascinating | very interesting |
| mild | not serious |
| flood | too much water |
| predict | say before it happens |
| burst | explode |
| debris | garbage |
| valuable | important |
| vibration | movement |
| sites | places |
| geothermal | earth heat |
| occurs | happens |
| microscopic | very small |
| trapped | can't escape |
| atmosphere | air around the earth |
| theory | idea |
| inexhaustible | can't be used up |
| transparent | can be seen through |
| converted | changed |
| since | because |
| export | sell to other countries |
| obviously | can be seen or understood easily |
| dawn | sunrise |
| events | anything that happens |
| position | location |
| migrate | go from one place to another |
| loose | not tight |
| swell | get larger |
| steady | continuing |
| sore | painful |
| physical | of the body |
| recurring | happening again |
| a great deal | a lot |
| breathing | taking air in and out of the body |
| confused | mixed up |
| at times | sometimes |
| sweating | with water on the skin |
| positive | opposite of negative |
| periods | length of time |
| nightmares | bad dreams |
| instense | strong |
| adolescents | teenagers |
| permanent | always, forever |
| apparent | obvious |
| contact | touch |
| plague | very serious disease carried by insects |
| contageous | goes easily from a sick person to a healthy person |
| relieve | make better |
| miserable | very bad, inferior |
| volunteers | people who give their time to do work (without pay) |
| functioning | working |
| located | found |
| strikes | hits |
| drowning | dying in water |
| in case | if |
| exaggerated | said it is more than it is |
| reduction | making smaller |
| snack | something small and fast to eat |
| recipes | instructions for cooking |
| unfamiliar | strange, unknown |
| complain | say you don't like something |
| deal with | cope with |
| encourage | give hope |
| personal | private, about oneself |
| suggest | give ideas about |
| attractive | pretty, handsome |
| stare | look intensely |
| inherit | get |
| cholesterol | a natural substance made by the liver |
| vaccination | a liquid medication is injected into the arm |