Mars's diameter is what fraction of the Earth's diameter?

• 1/4
• 1/3
• 1/2
• 2X

Tags

NGSS.MS-ESS1-3

Mars has an atmosphere containing what percentage of carbon dioxide?

• 70%
• 27%
• 95%
• greater than 95%

Tags

NGSS.MS-PS1-1

Fill in the blank:
Mars is the ________ planet from the sun

• 5th
• 4th
• 3rd

Astronomers are convinced that liquid water was present on Mars in the past because

• huge subsurface deposits of ice have been seen with X-ray telescopes.
• during each martian summer large lakes are observed as the polar cap melts.
•  there is a huge amount of water vapor in martian clouds.
• the surface has water-cut channels on it.

How many moons does Mars have?

• none
• 1
• 2
• 3

Has there been water on Mars?

• Yes
• Evidence that there was
• Evidence that there wasn't
• No

Why do scientists call the rovers "robot geologists?"

• They take images of rocks
• They have an arm with 4 tools
• They analyze rocks and soil
• All of the above

If you weighed 100 lbs. on Earth, you would weigh_____lbs. on Mars

• 100 lbs.

• 200.lbs.

• 83 lbs.

• 38 lbs.

Tags

NGSS.MS-PS2-4

A year on Mars is almost ___________ times as long as a year on Earth

• Three

• Four

• Twice

• Six

The Mars Rovers were designed and built at ___________ in Pasadena, Ca.

• Jet Propulsion Laboratory

• NASA

• Space X

• Mars Labs Inc.