Earth's Atmosphere

What are ways that we can reduce pollutants in the atmosphere?

• Find alternative energy sources

• Reduce emissions of air pollutants from vehicles that use fossil fuels

• Planting more trees

• Breathing less

The ______________________ is the only layer where thermal mixing takes place

Atmospheric temperature decreases continuously and smoothly with altitude from the ground to the exosphere.

• True

• False

The ________________________ has the coldest atmospheric temperatures

The ____________________________ has the hottest daytime temperatures

The ionosphere is not an important air to modern microwave satellite communications.

• True

• False

Tags

NGSS.HS-PS4-5

Three special layers or regions of the atmosphere:

​ (a)   ​ (b)   ​ (c)  

• Ozone layer
• ionosphere
• magnetosphere
• tropopause
• lithosphere
• oxygen

A steady decrease of temperature with increasing altitude is

• heterosphere

• lapse rate

• naturalism

• atmosphere

Organize these options into the right categories

Groups:

(a) Radiation

,

(b) Conduction

,

(c) Convection

• Spoon in hot soup

• hot air rising in a parking lot

• handling frozen food

• soup boiling in a pot

• Electric oven coils

• electric stove burner

• rising heat from wood fire

• Heat from a wood fire

• Electric Space heater

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which two gases contribute most to the greenhouse effect?

• oxygen and nitrogen
• water vapor and ozone
• sulfur dioxide and nitrogen dioxide
• carbon dioxide and water vapor