History Vocab

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created 7 years ago by graciep812
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6th grade
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1

ASTRONOMY

the study of the planets, stars and other objects in outer space

2

CARAVAL

a type of ship that could use either square or triangular (lateen) sails to travel long distances

3

CIRCIMNAVIGATION

a journey around the world by ship

4

COMPASS

a device showing the direction of magnetic north

5

EXPERIMENT

a carefully controlled scientific test

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GEOCENTRIC THEORY

from Greek "geos": earth] the idea that hte earth is the center of the universe and everthing revolves around it

7

GRAVITY

the force that holds objects to the Earth and keeps planets circling around the Sun

8

HELIOCENTRIC THEORY

from Greek "helios": sun] the idea that the earth and other planets in our solar susten revolve around the Sun

9

PRISM

a three-sided transparent object that is used to refract light

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SCIENTIFIC METHOD

a set of steps scientist follow as they study the natural world

11

TELESCOPE

an instrument that can make far-away objects look close

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THEORY

a statement that explains why or how something happens