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True or False Questions:1. There are 687 days in a Martian year and 24 1/2 days in a
Martian day.
2.There is some water on Mars.
3.The average temperature on Mars is 15 .℃4.The main gases in atmosphere on Mars is oxygen.
5.The gravity on Mars is the same as the one on Earth.
6. The distance from Mars to the sun is 228 million kilometres.
Facts about Mars
Facts about Mars
1. There are 687 days in a Martian year and 24 1/2 days in a Martian day.
2. There is some water on Mars.
3. The average temperature on Mars is 15 .℃
There is no water,but there is a lot of ice.
The average temperature is -60 ℃
Facts about Mars 4.The main gases in atmosphere on Mars
is oxygen.
5.The gravity on Mars is the same as the one on Earth.
6. The distance from Mars to the sun is 228 million kilometres.
The gravity on Mars is 1/3 of Earth’s.
95 percent of the atmosphere is carbon dioxide.
The Transforming of Mars
Stages Time Suggestions Results
Stage 1
Stage 2
Stage 3
Stage 4
Stage 5
The Transforming of Mars
Stage 1Time
Suggestions
Construct _________________,
Conduct __________________,
Look for_____________,
Check for___________.
Results They can survive____________
__________________________
The temperature is _________
AD 2030-2045
underground buildings
only as long as they wear spacesuits.
experiments
good sites
signs of life
-60℃
The Transforming of Mars
Stage 2Time
Suggestions
Put ________________in orbit round Mars,
Release____________________
Results
The atmosphere _____________, and retains _________________.
Ice ____________.
The temperature ____________.
AD 2045-2095
huge solar mirrors
chemicals into the air
becomes thickermore of the sun’s heat
melts
rises to -40℃
The Transforming of Mars
Stage 3Time
Suggestions
Introduce_________________
Results
Carbon dioxide______________
_________________________,
_________________ appears,
The temperature ____________
AD 2095-2130
plants from Earth
can be converted into oxygenClouds and blue sky
goes up to -15℃
The Transforming of Mars
Stage 4Time
Suggestions
Make_____________________
Construct ________________
Plant ___________________
Results Mars_______________
The temperature is__________
AD 2130-2145
rivers and small oceans
townsforests of trees
is looking greener0℃
The Transforming of Mars
Stage 5Time
Suggestions Build ______________________
Results
The amount of oxygen________
Air becomes___________
The inhabitants can__________
__________________________ The temperature ____________
AD 2145-2185
cities,farms and industries
risesbreathable
go out without spacesuits
reaches 10℃
Question Patterns
Is it necessary/important/…to…? Why?
How long will it take to …
How do the scientists intend to…in Stage …
What is the main purpose of the actions in Stage …
Why do the scientists ….in Stage …?
What do you think of …
SummaryFill in the blanks according to the five stages As we all know, Mars is the planet most similar to Earth. People have dreamed of living there for centuries.Therefore, scientists spare no effort to ____________Mars.They use the ‘greenhouse effect’ to raise its ＿＿＿＿＿＿ and obtain enough _______.They also introduce more plants to release _______,and the ________is getting close to Earth as well. After the success transformation, people can live there happily and comfortably.
transformtemperature
wateroxygen gravity
1.Read the text fluently and recite paragraphs 1&2 as possible as you can.
2.Finish the exercises on page 81.
