Earth Characteristics

Among the Earth, Sun, and Moon, what makes the Earth unique? Only the Earth –

• can generate energy
• lacks an atmosphere
• is made mostly of rock
• contains water in liquid form

Which of the following is a characteristic of both the Earth and the Moon?

• Atmosphere containing oxygen
• Rocky surface covered with landforms
• Flowing water in oceans and rivers
• Fossils and fossil fuels under the surface

Which has landforms?

• Sun
• Sun, Earth, Moon
• Earth and Moon
• only Earth

Which of these physical characteristics are found on the Earth but NOT on the Moon? 

• mountains
• valleys
• lakes
• plains

The moon’s surface has many more craters than the Earth’s. What best explains the difference in the number of craters on the surface of the Moon and the Earth?

• The Moon rarely gets impacted by meteorites.
• The Earth’s atmosphere protects it from impacts.
• The Moon’s gravity attracts more meteorites than Earth's.
• The Earth rotates on its axis more quickly than the Moon.

The Sun, Earth, and the Moon share the same similarities in their

• Shape (Sphere)

• Color

• Size

Which of the following orbits the sun?

• asteroids
• comets
• planets
• all of the above

The innermost planets have what type of physical composition?

• gaseous
• terrestrial
• liquid

What does the term terrestrial mean?

• made of water
• mars-like
• gas planet
• earth-like

What characteristics of inner planets are correct?

• terrestrial and larger
• gaseous and smaller
• gaseous and larger
• terrestrial and smaller