Solar System Study Guide



Solar System Study Guide

TEST: Thursday, March 29, 2012

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Vocabulary

rotate - to spin around on an axis

axis – an imaginary line that runs through the center of Earth from the North Pole to the South Pole

revolve – to travel in a closed path

orbit – the closed path of one object in space around another object

moon – a natural body that revolves around a planet

phase – one of the shapes the moon seems to have as it orbits Earth

solar system – a star and all the planets and other objects that revolve around it

planet – a large body that revolves around a star

comet - a ball of rock, ice, and frozen gases that revolves around the sun

star – a huge ball of superheated gases

sun – the star at the center of our solar system

constellation – a pattern of stars that form an imaginary picture in the sky

galaxy – a huge system of gases, dust, and many stars

universe – everything that exists in space

Concepts

✓ Understand rotation and revolving process of planets, stars, and moons

✓ Be able to describe length of time it takes for rotating and revolving

✓ Know characteristics of inner and outer planets

✓ Know the phases of the moon

✓ Be able to identify characteristics of constellations

✓ Know what instruments are used to look at stars in the sky

✓ Know the correct order of the planets beginning at the sun

✓ Be able to describe characteristics of stars (color, size, etc)

✓ Be able to explain what separates the inner and outer planets

✓ Understand the relationship between seasons and the rotation of Earth

✓ Be able to describe a gas giant

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