Unit 8-Astronomy Test

Movement of Earth around the sun.

• Rotation

• Revolution

Spinning of Earth on its axis.

• Rotation

• Revolution

Tides are caused by ___________

• wind
• gravitational pull of moon
• waves gravitation toward land
• rain

Which planet is closest to the sun?

• Uranus
• Mercury
• Neptune
• Earth

The __________ has planets, moons, comets, and asteroids.

• solar system
• earth
• rotation
• United States

The GAS GIANTS or Outer planets are:

• Mercury, Earth, Jupiter, Saturn
• Saturn, Neptune, Pluto, Mars
• Saturn, Jupiter, Uranus, Neptune
• Earth, Mars, Saturn, Neptune

During which season is the northern hemisphere tilted toward the Sun?

• Summer
• Fall
• Winter
• Spring

During the winter months of the Northern hemisphere the Earth is ______.

• tilted closer toward the Sun

• tilted farther away from the Sun

• spinning slower than in Summer

• spinning faster than in Summer

Energy is produced within a star's core by the process of

• nuclear fusion

• insolation

• conduction

• radioactive decay

Planets that are closest to the Sun are identified as

• low-density Jovian

• low-density terrestrial

• high-density terrestrial

• high-density Jovian