A weather instrument called a ___________ can be used to measure how much precipitation falls
Rain Gauge
100
___________ is when rain freezes as soon as it hits the ground
freezing rain
100
a _____________ occurs when two air masses meet
front
100
What are the two types of fronts?
Cold and Warm
100
Hurricane winds are considered....
a) light breeze
b) no wind
c) strong wind
c) strong wind
200
This instrument measures wind speed
anemometer
200
This precipitation is a mixture of rain and snow
Sleet
200
An air mass is a large body of air that has the same ___________ and ____________
temperature and humidity
200
Because air is is matter it has _________ and pushes on its surroundings
weight
200
_______ measures temperature
thermometer
300
What does a wind vane measure?
Wind direction
300
What type of precipitation forms in a storm cloud?
hail
300
Earth is covered by a blanket of air called the __________
atmosphere
300
The air in our atmosphere is warmed by the _______
Sun
300
____________ is someone who studies the atmosphere and weather
Meteorologist
400
What does a Hygrometer measure?
Humidity
400
Name the 5 types of precipitation we discussed
Rain, Snow, Sleet, Hail, Freezing Rain
400
A ________ _______ is formed when a warm air mass pushes into a cold air mass
Warm front
400
_________ is the amount of water vapor in the air
humidity
400
About how thick is the Earth's atmosphere?
a) 40 miles
b) 450 miles
c) 4,576 miles
450 miles
500
What instrument measures air pressure?
Barometer
500
When rain droplets freeze high in the atmosphere and form ice crystals, they become heavier and fall to the atmosphere as _______. (Rain droplets + Freezing temperatures)
Snow
500
A ____ ____ is formed when cold air pushes into a warm air mass.
Cold front
500
Our daily weather is made up of _______, ________, and _______.
temperature, wind and pressure
500
Air in the atmosphere is heated at the ___________ and cooled at the poles