What causes a sunburn?
a- toxins in the body brought to the surface
b- Ultraviolet rays from the sun
c- The exosphere
b- UV rays
A powerful electrical current flowing through the air during a thunderstorm is a ___________?
Lightning
What is the hot substance pouring out of an erupting volcano?
lava
What is the name of the layer in the stratosphere that absorbs ultraviolet (UV) radiation? This layer is known to have a "hole".
The Ozone Layer
When do most tornados occur? April through June or November through January?
April through June
True or false: The eye of a hurricane has calm winds.
true
Measures wind speed:
a- a weather vane
b- anemometer
c- barometer
An anemometer?
Which part of the U.S is most likely to have tornados in stead of hurricanes? The Gulf Coast or the Great Plains?
The Plains
What are hunks of rock streaking through space at incredible speeds?
Meteoroids (or shooting stars)
When cold air below warm air forces the warm air to rise, the warm air cools rapidly and the water vapor forms heavy _______ full of ________. soon we will see thunder, lightning and rainstorms.
Clouds rain/precipitation
What is climate?
a- The weather of a place over a long time
b- the description of the days changes is temperature
c- Terrain, for example: rocky, forest, desert, swamp..
a- the weather of a place over a long time
What is the hot substance inside a volcano called before it erupts?
magma
Does most of Earth's weather happen in the troposphere or the stratosphere?
troposphere