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Mars
Earth
The surface of Mars is the most similar to the surface of the Earth.
Mars might turn into another “Earth” in the future.
crowded planet
spacecraft
speed boots
space houses
robot on Mars
online teacher
Game
speed boots
d. Our shoes can make you walk faster!
Special boots can make us heavier.
We will float away into space because of low gravity.
helmet
spacesuit
special boots
online teacher
a. Need someone to teach you any time, any place?
Every student would have a computer connected to an interplanetary network and they study at online schools with e-teachers .
space houses
b. Living in a space house is fun …
We might live in houses with huge comfortable rooms.
crowded planet
f. The population on the Earth is still increasing rapidly….
spacecraft
c. All about the newest spacecraft that travel in space….
The spacecraft can travel at the speed of light.
robot on Mars