Do Now:
1.
What
do you know about atmosphere?
Use atmosphere Diagram to answer these question.
2. How
many layers did earth’s atmosphere have?
A A.6
B B.5
C C.4
D D.3
3．The Layer of earth’s atmosphere that is
closest to the ground.
A. Stratosphere
B. Mesosphere
C. Troposphere
D. Exosphere
4. Which layer of the atmosphere contains the ozone layer?
A. Mesosphere
B. Troposphere
C. Exosphere
D. Stratosphere
