Unit 1: Climate Change

Changes is earth's orbit and axial tilt will effect climate every...
(LT 1)

• 10-100 thousand years
• 1-10 years
• 10-100 million years
• 10- 100 years

Volcanic eruptions and ocean circulation will effect the climate every ...
(LT 1)

• 1- 10 years
• 10- 100 years
• 10- 100 thousand years
• 10- 100 million years

17,000 years ago Michigan's climate was...
(LT 2)

• very cold and dry
• cool and wet
• hot and dry
• warm and wet

Samples allow scientists to analyze oxygen isotopes and to reveal the composition of our ancient atmosphere.
(LT 2)

• Pollen
• Tree Rings
• Fossils
• Ice Cores

What did we analyze in class in order to find out Michigan's paleoclimate?
(LT 2)

• Pollen
• Tree Rings
• Fossils
• Ice Cores

A dark and thin tree ring indicates __________ climate conditions.
(LT 2)

• late summer and dry
• late summer and wet
• spring and dry
• spring and wet

All of the following are examples of a positive feedback in the world today except...
(LT 3)

• deforestation
• burning fossil fuels
• transportation
• Electrical Efficiency

The climate changes naturally by...
(LT 3)

• Milankovich Cycles and the sun
• sea level rising and temperature
• burning fossil fuels and deforestation
• ocean composition and glacial ice volumes

Climate outputs include all of the following except...
(LT 3)

• precipitation
• temperature
• atmospheric composition

As the ocean absorbs carbon dioxide, what is occurring?
(LT 3)

• ocean acidification
• temperatures are decreasing
• precession changes