Canals on Mars?

Multiple Choice Question
Who first claimed to see canals on Mars in 1877?

• Galileo Galilei

• Giovanni Schiaparelli

• Isaac Newton

• Carl Sagan

Multiple Choice Question
What caused the “canals” Schiaparelli saw?

• Alien construction

• Shadows from volcanoes

• Optical illusion from telescopes and dust

• Flowing rivers

Multiple Choice Question
What is a canal?

• A natural river formed by erosion

• A man-made channel or waterway

• A deep canyon made by wind

• A frozen lake

Multiple Choice Question
Why did the idea of canals on Mars seem believable in the late 1800s?

• Canals were common in science fiction

• Large canals were being built on Earth at the time

• Scientists had visited Mars

• Mars had clear photographs showing canals

Multiple Choice Question
What evidence shows Mars has been shaped by natural processes?

• Alien farms and irrigation systems

• Dry riverbeds, volcanoes, and seabeds

• Large man-made structures

• Canals built for ships

Tags

NGSS.MS-ESS2-2

True or False
Schiaparelli’s telescope was strong enough to see dry riverbeds on Mars.

• True

• False

True or False
Canals on Earth in the late 1800s influenced people’s belief in Martian canals.

• True

• False

True or False
There are no canals on Mars, but there are natural landforms that look similar.

• True

• False

Fill in the Blanks
In 1877, Giovanni Schiaparelli thought he saw __________ on Mars.

Fill in the Blanks
Natural processes like wind, volcano formation, and __________ water have shaped Mars’ surface.