WorksheetsAtmospheric Chemistry 1-EB
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The first atmosphere that took place on earth formed for about how many years?
(a)
2.
Atmosphere helps in radio (a) ?
3.
Earth's atmosphere is composed of how many percent of nitrogen?
(a)
4.
Earth's atmosphere is composed of how many percent of oxygen?
(a)
5.
The imaginary line is called
(a)
6.
What's the outer most layer of the Earth's atmosphere
(a)
7.
The middle layer of the Earth's atmosphere
(a)
8.
The Earth's atmosphere is maintained by the (a) of the Earth's core
9.
About 4 billions years ago, the huge oceans that resulted from condensed water vapor is called?
(a)
10.
A non-ionizing radiation that is emitted by the sun.
(a)
100 %
