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Sci. terms
Science terms
Question | Answer |
---|---|
crater | depression formed by large meteorite |
Asteroid | small rocky object found in the asteroid belt between Jupiter and Mars |
Revolution | motion of earth around the sun |
Rotation | spinning of earth on its axis causing day and night |
solar eclipse | during a new moon when the sun moon and earth line up and earth moves into the moons shadow |
solar system | includes sun planets and everything else in a solar system |
solstice | time when sun reaches its greatest point norther geographic pole or southern geographic pole |
sphere | 3d object whose surface at all points is the same distance from its center |
gravity | a force that attracts all objects towards each other |
ellipse | the shape of earth's orbit that is rounded like a circle but somewhat flattened |
Maria | dark region on the moon that is smooth with few craters |
ozone | gas formed in the upper levels of the atmosphere that protects earth from the sun's harmful UV radiation |
olympus Mons | largest volcano in the solar system on mars |
meteoroids | pieces of astroids or comets that have broken off |
meteoriotes | meteorite that has made impact in the earth |
meteors | meteoroids that has made impact in the earth |
astronomical unit | unit of measure used to determine distance between objects in the solar system |
axis | imaginary line around which earth spins causing day and night |
comet | space object made of rocky particles and water ices |
equinox | twice yearly time when the sun is directly above the equator |
lunar eclipse | occurs during the a full moon, the sun earth and moon line up in a specifically and the moon moves into the earth's shadow |
moon phase | changing views of the moon seen from earth |
nebula | cloud of rotating gases and dust parts from which the solar system may have formed billion years ago |
orbit | curved path followed by earth as it moves around the sun |