Hot Worlds

What is a terrestrial planet?

• A planet made at the same time as Earth

• A planet with similar properties to Earth

• A planet opposite to Earth

• A planet with an atmosphere like Earth

Which of the first 3 planets is the biggest

• Earth

• Mercury

• Jupiter

• Venus

Which of the first three planets is the densest?

• Earth

• Mercury

• Jupiter

• Venus

Why are the densest planets close to the sun?

• There were more collisions with protoplanets

• They are not, it is random

• As the Sun ignited the lighter material blew farther away

• heavier material moves slower and therefore condenses easier

Which planet have the most craters and why

• Mercury- no atmosphere

• Venus - large atmosphere and volcanoes

• Earth- plate tectonics

• All about the same

What causes the seasons on a planet?

• Rotation

• Revolution

• Atmosphere

• Axial inclination or Tilt

Do all of the first 3 planets have seasons

• Yes

• No, only Earth

• No, Venus and Earth do

• No, Mercury and Earth do

The percent of light reflected off a planet (or surface) is called

• Axial inclination

• absorbtivity

• reflectivity

• albedo

List the planets from lowest albedo to highest albedo

• mercury, venus, earth

• earth, venus, mercury

• earth, mercury, venus

• mercury earth venus

• venus, earth, mercury

Which planets have ice

• All do

• Just the Earth

• Mercury and Earth -at the poles and in deep craters

• Venus and Earth - at the poles and in deep craters