sizzlin’ in the desert kristine burke characteristics of a desert less than 10 in. of rain per...
TRANSCRIPT
Sizzlin’ in the Desert
Kristine Burke
Characteristics of a Desert
• Less than 10 in. of rain per year
• Poor soil
• Extreme temperatures
It’s Getting Hot Out Here
• Daytime temperatures can be over 100F.
• Nighttime temperatures can be as low as 40F.
• Extreme temperatures are caused by the desert’s dry climate.
Rain, Rain Go Away!
• Receives less than 10 inches of rain a year.
• Very arid and dry• The evaporation rate is 20 times
more than the annual precipitation rate
• Flash floods are common
Animals
• Snakes
• Coyotes
• Jack rabbits
• Owls
• Woodpeckers
• Kit Foxes
• Desert Tortoise
Come Out, Come Out Wherever You Are!
• Hide in a cactus• Rest in the shade• Dig burrows
underground• Come out at night
Animals have to adapt to stay alive!
Plant Life
• Plants have to adapt to stay alive
• Must be able to collect and store water
• Must be able to withstand extreme heat.
Provides many things to animals
• Shelter
• Food
• Water
• Shade
Just The Facts!• Can live 200 years• Takes 75 years to
grow an arm• The trunk of the
cactus sucks up water with its shallow roots
• Water is stored in the trunk of the cactus
• Flowers only open at night
Arm
Trunk
Something about the Desert
• Deserts have been given different nicknames: “Death Valley”, “the empty quarter”, and “the place from where there is no return”
• 1/3 of the Earth is a desert• The Sahara is the largest desert in the
world.• Most Saguaros have 5 arms and are about
30 feet tall.
Comprehension Questions
1. About how much rain does the desert receive in one year?
2. How hot are the daytime temperatures in the desert?
3. True or False. Flash Floods are not common.4. Name two animals that live in the desert.5. Name one way an animal stays out of the heat.6. Name two things a plant must do to survive in
the desert.7. What are two things that a saguaro cactus
provides to animals.8. How old must a cactus be before it grows an
arm?
• California State Standards – 3rd Social Studieshttp://www.cde.ca.gov/be/st/ss/hstgrade3.asp
• California State Standards – 3rd Science • http://www.cde.ca.gov/re/pn/fd/documents/sci-stnd.pdf
• Desert Landscape• http://mandos.org/Photos/Nature/Desert%201.jpg
• Saguaro Cactus• http://www.arizona-horses.com/art/cactus.jpg
• Lizard• http://www.nps.gov/whsa/69s.jpg
• Desert picture• http://www.dade.k12.fl.us/ohes/Student%20Internet%20Projects/Williams/
Biome/Desert4.htm
• Saguaro cactus - cartoon• http://www.bettyssunsetthreads.com/images/Saguaro/Ribbed%20Saguaro.jpg
Works Cited
• Desert mozilla• http://dmoz.org/img/moz/saguaro.gif
• Saguaro Cactus• http://en.wikipedia.org/wiki/Saguaro
• Cactus arms• http://www.three-seasons.com/Journal_October/Journal_10_05.htm
• Saguaro flowers/life cycle of a cactus• http://www.nps.gov/sagu/Saguaros/saguaro.htm
• Cartoon Scactus• http://www.discoverseaz.com/Wildlife/Saguaro.html
• Desert Life• http://mbgnet.mobot.org/sets/desert/index.htm
• Animals of the Desert• http://www.oxfam.org.uk/coolplanet/ontheline/explore/nature/deserts/deserts.htm
Works Cited
• burrow rat• http://www.desertusa.com/ratb.jpg
• cactus - home• http://search.msn.com/images/results.aspx?q=saguaro+cactus&FORM=QBIR
Desert Clip Art• http://www.wildlife-art-creations.de/Ausstellung-Bild-Saguaro-e.JPG
• http://abkldesigns.com/catiln2.gif
• http://www.epilepsyfoundation.org/local/images/saguaro_sunset.jpg
• http://www.jedh.com/artsy/cactus01.JPG
• http://www.tedytravels.org.uk/arch_amer/Col_scrapbook/images/cactus%20forest.jpg
• http://www.enchantedlearning.com/biomes/label/desert/
• http://www.terragalleria.com/images/np-desert/sagu1225.jpeg
Works Cited
The End!