Science Warm-up #3

Which planet could float in a bathtub since it has the lowest density?

• Jupiter

• Uranus

• Saturn

• Neptune

Which planet is the hottest because of its strong greenhouse effect?

• Mercury

• Pluto

• Venus

• Mars

Which outer planet is similar in size to Neptune?

• Jupiter

• Uranus

• Saturn

• Pluto

An AU (astronomical unit) is equal to ___.

• 93 billion miles

• 93 thousand miles

• distance from Mercury to the Sun

• distance from Earth to the Sun

Which planets have retrograde rotation?

• Jupiter & Venus

• Earth & Uranus

• Venus & Uranus

• Uranus & Jupiter

A planet’s orbit around the sun is called its ____.

• rotation

• revolution

• axis

• AU

The second largest planet in the solar system is ___.

• Saturn

• Neptune

• Jupiter

• Uranus

The planet with the most mass is

• Jupiter

• Neptune

• Venus

• Uranus

Mercury’s surface is cratered because it has

• Oceans

• No atmosphere

• meteorites hitting its surface.

• a greenhouse effect

Which planet's axis is tilted sideways so that it rotates north and south?

• Uranus

• Jupiter

• Saturn

• Earth