7th grade atmosphere

7th grade atmosphere

notes and practice

vocabulary

troposphere .............. density

stratosphere ............. weather

ozone layer

mesosphere

thermosphere

exosphere

troposphere

• tropo - change

• where weather occurs

• most dense layer of the atmosphere

• first layer of the atmosphere

• closest to earth

• colder as you go up

stratosphere

• contains the ozone layer

• second layer of the atmosphere

• second in most dense

• protects from UV rays

• warmer as you go up

mesosphere

• middle layer

• 3rd in most dense layer

• 3rd layer of the atmosphere

• coldest layer of the atmosphere

• where meteors and astroids get destroyed

• colder as you go up

thermosphere

• 4th layer of the atmosphere

• 4th in most dense

• hottest layer of the atmosphere

• absorbes the suns rays

• where aurora burials / northern lights happen

• colder as you go up

exosphere

• least dense layer

• outermost layer

• farthest from earth

• thinnest layer

• 
  

• 
  

density

density is how tightly packed the molecules are in an object.

Multiple Choice

What is layer #4?

• stratosphere
• thermosphere
• exosphere
• mesosphere

Multiple Choice

The layer of the atmosphere where weather occurs is the _.

• thermosphere
• stratosphere
• mesosphere
• troposphere

Multiple Choice

This layer of the atmosphere contains the ozone layer

• troposphere

• mesosphere

• thermosphere

• stratosphere