Severe Weather

The essential ingredients needed for a thunderstorm to occur include: (Choose all that apply)

• moisture

• lift

• low humidity

• unstable air

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Thunderstorms are most likely to occur in what time of year?

• fall and winter

• spring and summer

• fall and spring

• summer and winter

Tags

NGSS.MS-ESS2-5

A warm column of air that rises within a cloud is a _________?

• draft

• overdraft

• downdraft

• undraft

Tags

NGSS.MS-ESS2-5

All thunderstorms produce lightning.

• true

• false

For lightning to occur, the __________ form at the __________ of the cloud and the _____________ form at the _____________ of the cloud.

• protons, bottom, electrons, top

• electrons,top, protons, bottom

• protons, top, electrons, bottom

• electrons, bottom, protons,top

Thunder is caused by ______________?

• lightning

• air waves colliding with each other

• fronts colliding

• light waves

Sound travels faster than light.

• true

• false

Count the number of seconds between seeing lightning and hearing the thunder; then divide by 5. This will give you a rough idea of ?

• An approaching tornado

• the number of lightning strikes per hour

• an approaching thunderstorm

what is a violent rotating column of air called?

• tornadoes

• thunderstorms

• hurricanes

• a big mouth

Tags

NGSS.MS-ESS2-5

tornadoes can reach air speeds up to _______ mph.

• 1500-2000

• 70-100

• 200-300

• 175-200

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2