Directions

1
Directions
You will be creating a PowerPoint presentation
that is using hidden slides. Each of the slides
that has directions will be hidden and will not
show when you are presenting your slide show.
Each of these slides tells you the minimum that
is required to be on your PowerPoint slides. You
may do more than what is required. Delete this
slide and the following slide when you are done.
2
Title

• Your name
• Science teacher
• Class period
• Any graphic that enhances your presentation

3
The Wacky Weather Phenomenon of HAIL AND SLEET

• Katherine Cook
• Mrs. Shott
• Period 8

4
What is your phenomena

• Give a definition of what your phenomena is
• Any graphic that enhances your presentation

5
What is Hail?

• Hail is a damaging form of precipitation that is
  similar to a small chunk or ball of solid, hard
  ice.

6
Is sleet the same as hail?

• No, sleet is winter precipitation in the form of
  small pellets of ice.
• It can make a thin sheet of ice on anything.

7
How does it occur

• 1 to 2 slides that thoroughly explains how your
  weather phenomena occurs.
• Any graphic that enhances your presentation

8
How does hail start?

• Hail starts as tiny pellets that collide with
  water droplets that get thrown up and down in the
  cloud until they are heavy enough to fall.

ice pellets
9
Features of hail

• Hail has many layers form being thrown up and
  down in the cloud.
• Hailstones can be as big as baseballs.

10
How does sleet occur?

• It starts when snowflakes that melt into
  raindrops when passing through warmer air.
• Then they refreeze into ice particles.

WARM AIR
COLD AIR
REFREEZE
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Where is it?

• Tell where your phenomena occurs
• Include a map that shows where your phenomena
  occurs

12
Where does hail and sleet occur?

• Hail and sleet occur most everywhere, however
  some places get more severe storms than others.

severe hail
severe sleet
13
What to do

• What preparations/precautions do humans need to
  take to prepare themselves for this phenomena
• Any graphic that enhances your presentation

14
What can hail do to humans?

• If hailstones are large enough, they can knock
  humans unconscious or even kill them.

15
What to do if Hail Occurs

• Go inside your house or a covered shelter.
• Avoid going outside unless absolutely necessary.
• Listen to a local radio or TV station to see when
  it is safe to come out of cover.
• Stay off of phones and other appliances during a
  hail storm.

16
Effects?

• How does the outcome of your phenomena occurring
  affect
• Humans
• Land
• Business
• Any graphic that enhances your presentation

17
Can hail effect businesses?

• YES! Hail has been responsible for billions of
  dollars worth of crop damage and livestock deaths

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How can hail affect us?

• Can cause more than 500 million in damage
  annually.
• A hailstorm in Prescott Arizona last year
  destroyed all the cars and trucks at one of the
  car distributorships

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Facts

• Other interesting information about your
  phenomena.
• Any graphic that enhances your presentation

20
Wacky facts

• When hailstones rise and fall, they hit each
  other, make electric charges, and lightning
  occurs.

• Hail falls in the Nandi Hills of Kenya, Africa
  about 132 days a year!

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Other Cool Facts

• The largest hailstone ever fell on Coffeyville,
  Kansas in 1970. It measured 17.5 inches in
  circumference and weighed 1.67 pounds.

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The End

• Thank you for watching my presentation. I hope
  you learned something about hail and sleet!!!