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3.2: EVALUATING CLAIMS ABOUT THE

CHANNEL ON MARS

Geology

on Mars

NASA’s Curiosity rover and highlight that students will be learning more about the channel on Mars from a new perspective—from the surface of Mars—using images from the rover. Point out the following:

• Curiosity has many different kinds of scientific instruments on board, including a camera that takes high-quality images of Mars’s surface.
• Since NASA scientists were interested in this channel on Mars, they sent Curiosity to explore the surface near the channel.
• Students will look at an image of rock found near the base of the channel. Explain that Curiosity sent this image back to Earth.

Partners will review new information

from NASA, along with some

background information. Explain that

the Universal Space Agency has also

sent rock samples (from Earth) to help

students better understand how rock

types are related to landforms

formed by flowing water and

landforms formed by flowing lava.

Channel on Mars Evidence Gradient Instructions.

Channel on Mars Evidence Gradient Instructions.

Could Mars Have Been Habitable? We learned about two of the characteristics that make Earth habitable:

• liquid water
• an energy source (such as the sun)