The Inner Planets

Which is NOT an Inner Planet?

• Mars

• Jupiter

• Earth

• Venus

What is the correct order of planets starting from the Sun?

• Mercury, Earth, Mars, Venus

• Venus, Earth, Mercury, Mars

• Mars, Earth, Venus, Mercury

• Mercury, Venus, Earth, Mars

What percent of Earth consists of salt water oceans?

• 71%

• 52%

• 25%

• 80%

Earth tilts _____ and causes ____. Fill in the blanks

• around 23.3; changes in magnetic fields

• around 30.5; seasonal changes

• around 30.5; gravity changes

• around 23.3; seasonal changes

True or False? The atmospheric pressure is greater on Venus than on Earth

• True

• False

Which planet is one of the brightest objects in the sky, only second to the moon

• Mars

• Venus

• Earth

• Sun

Name one mineral that is found in the outer crust of Mars

(a)  

What is a distinctive feature about Mercury's surface formed as Mercury’s core and mantle cooled and contracted?

• narrow ridges

• mountains

• craters

• volcanoes

Mercury has higher ___ content than that of any other major planet in the solar system. 

• Silicon

• Nickel

• Oxygen

• Iron

Draw one of the planets and label your drawing