Chapter 16-1 Study Guide Answers
Feb 22, 2016
Chapter 16-1Study Guide
Answers
Number 1
• Water gets from Earth’s surface into the air by the process of evaporation.
Number 2
• Clouds form from the process of condensation.
Number 3
• Rain is the most common form of precipitation.
Number 4
• Runoff carries water from precipitation into the oceans.
Number 5
• Relative humidity is a percentage that shows how much water vapor is in the air compared to how much the air can actually hold at a certain temperature.
Number 6
• A psychrometer is used to measure the relative humidity of the air.
Number 7
• Humidity is the amount of water vapor in the air.
Number 8
• Saturated air has a relative humidity of 100%. It is holding all the water vapor that it can at a certain temperature.
Number 9
• Air can become saturated when water vapor is added to the air through evaporation or when air cools to its dew point.
Number 10
• Dew point is the temperature at which gas condenses into a liquid.
Number 11
• The air’s ability to hold water vapor will increase if the air’s temperature increases.
Number 12
• Clouds are made of millions of tiny water droplets or ice crystals.
Number 13
• Cumulus clouds bring fair weather. No rain.
Number 14
• Cumulonimbus clouds bring thunderstorms.
Number 15
• Nimbostratus clouds bring light to heavy continuous rain.
Number 16
• An altocumulus cloud is a puffy mid-level cloud that indicates fair weather.
Number 17
• A cirrostratus cloud is layered and is made of ice crystals. Found at high altitudes.
Number 18
• Cumulonimbus clouds are found from low to high altitudes. Very large clouds.
Number 19
• Stratus clouds form in layers. They can cover large areas of the sky and block out the sun.
Number 20
• Fog is a stratus cloud that has formed on the ground.
Number 21
• Sleet starts as rain and freezes in the air.• Snow forms when water vapor changes
directly to a solid.
Number 22
• Hail is balls or lumps of ice that fall from cumulonimbus clouds.
• Hail forms when updrafts of air in a cumulonimbus clouds carries raindrops high I the clouds, the raindrops freeze and hail forms.