Thunderstorms

Thunderstorms

Rain showers with thunder & lightening

Multiple Choice

Are thunderstorms common?

• Yes

• No

4 types of thunderstorms

• Single cell

• Multi-cell

• Squall Line

• Supercell

Multiple Choice

How many types of thunderstorms are there?

• 7

• 4

• 25

Single Cell

Small, weak, isolated storms

Squall Line

Collection of storms that form a line

Multi-cell

Cluster of storms

Supercell

Most intense storm, capable of producing tornados

Multiple Choice

What is the most intense type of storm, capable of producing tornados?

• Supercell

• Squall Line

• Earthquake

Updraft

current of air that goes up, causing water to evaporate and form clouds

Downdraft

Cool dry air from the upper atmosphere pulls water in the clouds downward, causing rain

Multiple Choice

What direction does the air go in an updraft?

• Up

• Down

Lightning

• Positive & Negative charges form in a cloud

• The negative charges move to the bottom of the cloud

• Positive charges on the ground build up around things sticking up from the ground (trees, people, etc)

• The positive (ground) charges attract the negative (cloud) charges until they connect

Multiple Choice

In a cloud, what creates lightning?

• rain

• negative charges

• wind

Thunderstorm Dangers

• Lightning starting fires or striking people

• Water causing flooding

• Supercells causing tornados

• 
  

Multiple Select

What are some dangers of thunderstorms?

• Lightning causing fires

• Flooding

• Supercells causing tornados

• Earthquakes

Poll

Do you like thunderstorms?

• Yes

• No