Inv. 6 Water in the Air (Mrs. H)

Water vapor is one of the components of the air in the atmosphere.  What change causes the vapor  in the air to form clouds?

• A.  As air rises in the atmosphere, it becomes warmer and cannot hold as much water. 
• B. As air cools, water vapor in the air condenses to liquid or solid state. 
• C. Air rises, the water becomes heavier and changes form.

Where can you find water vapor in the air? 

• only in clouds                
• only as rain                           
•  everywhere

When the temperature decreases, the relative humidity _?_.         

• Increase
• Decrease
• Stay the same

Frost forms on the grass when the dew point has been reached and the temperature is _?_.

• Above 0 ⁰C
• Below 0 ⁰C

Which environment will probably have the lowest relative humidity?

• swamp
• desert
• rain forest

Which environment will probably have the highest relative humidity?

• swamp
• rain forest 
• desert

When temperature decreases below the dew point, the water vapor in the air _?_.

• condenses
• evaporates
• stays the same

When temperature decreases below the dew point, the water vapor in the air _?_.

• condenses
• evaporates
• stays the same

Where does the water come from when you go outside and your glass of water “sweats”?

• water inside the glass
• atmosphere
• your breath
• refridgerator

What type of cloud is shown?

• cumulus
• altocumulus
• cirrocumulus
• cumulonimbus