Unit 6 Space

What causes changes in the appearance of the moon's shape?

• moon craters
• moon marias
• moon phases
• moon eclipses

What is an orbit?

• the turning of a planet on its axis.
• the distance of a planet from th sun
• the speed at which a planet moves around the sun
• the path one object takes around another object in space

What is a large round object that revolves around a star?

• a sun
• a moon
• a planet
• an asteroid

Which of the following demonstrates how a rotating object moves?

• a falling rock
• a turning top
• a bouncing ball
• a sliding hockey puck

What does a solar system contain?

• a group of stars
• a star and the planets near it
• the planets, moons, and asteroids around a star
• a star and all the bodies that revolve around it

Which of these is responsible for changes from day to night on Earth?

• Earth's tilt
• Earth orbiting the sun
• the moon orbiting Earth
• Earth rotating about its axis

Earth is a planet in the solar system. A planet can have one or more moons. What is another word that means the same as moon?

• asteroid
• comet
• satellite
• star

The diagram shows the positions of Earth and the sun. Which statement is correct?

• In the Northern Hemisphere it is fall, and in the Southern Hemisphere it is spring.
• In the Northern Hemisphere it is winter, and in the Southern Hemisphere it is spring.
• In the Northern Hemisphere it is spring, and in the Southern Hemisphere it is summer.
• In the Northern Hemisphere it is summer, and in the Southern Hemisphere it is winter.

Astronomers of the past expanded our knowledge of the solar system. What would have happened much later without the work of Galileo? 

• the discovery of Jupiter
• observation of constellations
• the first satellite in orbit
• proof of the theories of Copernicus

The diagram shows the path of Earth's movement. About how long does it take for Earth to move from point Y- its current location - to point Z?

• 12 hr
• 24 hr
• 6 months
• 1 yr