Unit 6 Test – Earth & Space Study Guide

A constellation is a group of stars forming a recognizable pattern. What is a constellation?

• A group of planets

• A group of stars forming a pattern

• A single star

• A galaxy

The imaginary line that Earth rotates around is called the:

• Equator

• Prime Meridian

• Axis

• Tropic of Cancer

What are Moon Phases?

• The different shapes of the Moon visible from Earth

• The distance between the Earth and the Moon

• The temperature changes on the Moon

• The gravitational pull of the Moon

A planet is a celestial body that:

• Orbits a star and is massive enough to be rounded by its own gravity

• Is a small rocky body orbiting the sun

• Is a star that has cooled down

• Is a natural satellite of a planet

The Solar System is made up of which of the following?

• Only planets

• Planets and stars

• Planets, moons, asteroids, comets, and the Sun

• Only the Sun and the Moon

An orbit is:

• A circular path around a star

• A path of an object around another object in space

• A straight line path in space

• A random movement in space

What does it mean to rotate?

• To move in a straight line

• To spin around a central point

• To increase in size

• To change color

What holds the sun, Earth, and moon together in a system?

• Magnetic force

• Gravitational force

• Electromagnetic force

• Nuclear force

The moon takes how long to travel around Earth?

• 27.3 days

• 30 days

• 24 hours

• 365 days

The seasons are caused by:

• The Earth's distance from the Sun

• The tilt of the Earth's axis

• The Earth's rotation speed

• The Sun's changing energy output