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6.8 science with neap tides, meteors, and ext. definitions


the movement of an object around another object

astroid belt

region of space where the density of astroids is high, located between the orbits of mars and jupiter


any of thousands of dense rocky objects typically in orbit around the sun between mars and jupiter


a season is a division of the year marked by changes in wearer and hours of daylight. caused by tilt of the earth's axis

solar eclipse

occurs when the moon passes the sun, blocking the sunlight reatching the earth

solar system

the sun together with the 8 planets and all other celestial bodies that orbits the sun

space shuttle

a reusable spacecraft that takes off like a rocket and then returns to earth like an airplane

spring tides

unusually high tides tides that occur during a full moon or new moon


the daily rise and fall of the earth's waters due to the gravitational force created by the moon and the sun on the earth


all mater and energy in space


any object that revolves another object in space


a scientist who studies celestial bodies such as, planets, stars, and galaxies


An imaginary line that pass extends through Earth's center between the North and South poles

collision theory

atoms, ions, and molecules can react to form products when they collide, provided that the particles have enough kinetic energy


A ball of frozen dust and rock that orbits the sun and has a tail that glows


massive system of stars, gas, and dust

solar system

the sun together with the 8 planets and all other celestial bodies that orbit the sun

outer planets

jovian planets that are gasses, found outside of the astriod belt (except pluto is solid)


the spinning motion of a planet about its axis


an interplanetary spacecraft

geocentric theory

the theory whereby the earth is found in the center of the solar system


the attractive force between 2 objects

heliocentric theory

the theory whereby the sun is found in the center of the solar system

inner planets

terrestrial planets that are dense, solid planets inside of the astriod belt

lunar eclipse

occurs at a full moon when earth is directly between the moon and the sun


a streak of light in the sky produced by the burning of a meteoroid in the earth's atmosphere

neap tides

unusually low tides that occur during the first and third quarters of the moon

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