Activity 2 FILL THE MISSING PIECE Direction: Fill in the blanks with the missing word described in the sentence. Choose the word inside the parenthesis. 1. The Earth is surrounded by a blanket of air called (atmosphere, oxygen) 2. The layer of the atmosphere closest to the Earth is the (ozone, troposphere) 3. About three fourths of the Earth's atmosphere is (nitrogen, oxygen) 4. The word "thermo" means (outer, heat 5. The atmospheric layer where meteors burn up is the (stratosphere, mesosphere) 6. The natural heating of the Earth caused by gases trapping heat in the atmosphere is called___________ (global warming, greenhouse effect)
nasa pic 7-10
nasa pic 7-10
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
1. The Earth is surrounded by a blanket of air called (atmosphere)
2. The layer of the atmosphere closest to the Earth is the (troposphere)
3. About three fourths of the Earth's atmosphere is (nitrogen)
4. The word "thermo" means (heat)
5. The atmospheric layer where meteors burn up is the (mesosphere)
6. The natural heating of the Earth caused by gases trapping heat in the atmosphere is called (greenhouse effect)
7. The outermost layer of the atmosphere (exosphere)
8. Oxygen comprises how many percent of the atmosphere? (21%)
9. The layer of the atmosphere where planes fly is the (stratosphere)
10. It is responsible for blocking the harmful rays of the sun (ozone)