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1
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earth -n. the
planet we all live on; the ground or soil
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2
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earthquake -n. a
sudden, violent shaking of the earth’s surface
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3
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east -n. the
direction from which the sun rises
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4
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ecology -n. the
scientific study of the environment and links among living and material
things
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5
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economy -n. the
system by which money, industry and trade are organized
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6
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edge -n. the
line where something ends or begins
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7
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education -n. the
act of teaching
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8
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effect -n. the
result or change caused by something (“The storm had a serious effect on the
economy.”)
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9
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effort -n. an
attempt; the work necessary to do something
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10
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egg -n. the
rounded object containing unborn young pro-duced by female birds, fish or
reptiles; a single cell in a female person or animal that can develop into a
baby
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11
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electricity -n. a
form of energy that flows through wires to provide heat and light, and power
to machines
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12
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electron -n. a
small part of an atom that has an electrical force
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13
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element -n. one
of more than 100 substances known to science that cannot be separated into
other substances
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14
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embassy -n. the
offices of an ambassador and his or her assistants
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15
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embryo -n. a
human or animal in the earliest stages of its development
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16
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emergency -n. an
unexpected and dangerous situation demanding quick action
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17
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emotion -n. a
strong feeling such as love, hate, fear or sadness
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18
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enemy -n. a
person opposing or hating another; a person or people of the other side in a
war
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19
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energy -n. power
used to do work, usually with machines; the ability and willingness to be
active
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20
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engine -n. a
machine that uses energy to cause movement or to do work
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21
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engineer -n. a
person who designs engines, machines, roads, bridges or railroads
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22
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environment -n. all
surrounding things, conditions and influences that affect life; the natural
world of land, sea, air, plants and animals
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23
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enzyme -n. a
special kind of protein; it produces changes in other substances without
being changed itself
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24
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equipment -n. things,
tools or machines needed for a purpose or activity
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25
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event -n. that
which happens, especially something of importance
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26
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evidence -n. material
or facts that prove something; a reason for believing
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27
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example -n. a
part that shows what the rest of a thing or group is like
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28
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exercise -n. an
activity or effort for the purpose of improving the body or to stay in good
health
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29
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expert -n. a
person with special knowledge or training
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30
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extremist -n. a
person with strong religious or political beliefs who acts in an extreme or
violent way
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