C奶都要出一分力
|
|
Breathing in |
Breathing out |
|
______________________ |
contract |
______________ |
|
Ribs |
move ____________and ____________ |
move______________ and _______________ |
|
Diaphragm |
___________________ |
_____________________ |
|
Volume of space inside the chest |
___________________ |
__________________ |
|
Pressure inside the chest |
__________________ |
___________________ |
|
Movement of the air |
______________________ |
_____________________ |
|
|
Burning splint |
Glowing splint |
Hydrogencarbonate indicator |
Lime water |
|
Oxygen |
|
|
|
|
|
Carbon dioxide |
|
|
|
|
|
Nitrogen |
|
|
|
|
|
Air |
|
|
|
|
1. When do we need energy?
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. When do we need to eat more high-energy food?
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
3. What is the meaning of variegated leaves?
_______________________________________________________________________________________________________________________________________________________________________________________________________________
4. What would plants use up in the dark? What is this process called? _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
5. Why photosynthesis is important to all living things? ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
6. What is/are use/uses of soda lime?
__________________________________________________________________________________________________________________________________________
