severe weather

Weather takes place in which layer of the atmosphere?

• stratosphere
• ionosphere
• troposphere
• mesosphere

How are cumulonimbus clouds formed?

• Cumulonimbus clouds are formed through the process of convection and condensation of water vapor.
• Cumulonimbus clouds are formed by volcanic eruptions.
• Cumulonimbus clouds are formed by the evaporation of oceans.
• Cumulonimbus clouds are formed by the rotation of the Earth.

What is lightening and how is it formed?

• Lightning is caused by the rotation of the Earth
• Lightning is a sudden electrostatic discharge that occurs during a thunderstorm.
• Lightning is a result of volcanic eruptions
• Lightning is a type of cloud formation

Make complete sentences using the terms below.

• Lightening

• follows lightening.

• Hurricanes

• can signal tornadoes.

• Thunderstorms

• are fueled by warm moist air

• Thunder

• is caused by the friction of water molecules in a cumulonimbus cloud.

Which of the following is not a component of a thunderstorm?

• Lightning
• Tornado
• Rain
• Hail

A tornado is (a)   .

• a rapidly rotating column of air.
• a type of cloud.
• a slow-moving weather phenomenon.
• a body of water.

Match the following

• Amount of water vapour in the atmosphere

• Temperature

• Fall of water towards the Earth in the form of rain, hail or snow

• Precipitation

• Air in motion in the atmosphere

• Wind

• The amount of thermal energy in the atmosphere

• Humidity

• The weight of the air over a point on the Earth's surface

• Atmospheric pressure

What is a supercell?

• A supercell is a type of ice cream dessert
• A supercell is a hurricane characterized by the presence of an eye-wall.

• A supercell is a tornado characterized by the presence of a vortex.

• A supercell is a thunderstorm characterized by the presence of a mesocyclone.

What is an updraft?

• A current of rising air in the atmosphere.
• A current of descending air in the atmosphere.
• A weather phenomenon involving lightning.
• A type of cloud formation.

T/F during a tornado cold air rises and warm air sinks

• true

• false