9B Unit1 Life on Mars Vocabulary（共16张PPT）.ppt
page1
Objectives
To identify and name the things that astronauts use
To understand the appearance and use of the things
To discuss which is important to an astronaut

page2
Thinking
What do people need to live on Mars?
What about the following items?
page3
air tank
provides many hours of air
page4
 digital
 camera
takes high-quality images
page5
dried food
can be stored for many months
page6
helmet
a large hard hat that protects the head and is connected to the air tank
page7
special boots
for walking on the surface of the planet
page8
notebook computer
small and light and has
lots of memory space
page9
provides energy for the spacesuit
power pack
page10
fixed to the walls to prevent floating
space
sleeping bag
page11
What’s important for an astronaut?
Read part B on Page 12, and talk about how important the different items are for an astronaut.
page12
An example
A: I think a helmet is the
     mo