Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
Carbon Cycle LT 5 and 6^
Grade: «8»
Subject:Science
Date: «2013»
Mar 28­6:26 PM
1
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
1 All of the following would be activities
that negatively impact the carbon cycle
except:
A
Burning coal to produce electricity
B
Using solar energy to heat water
C
Cutting down trees
D
Using gasoline to power cars
LT 5 I can identify human impacts on the carbon cycle and can explain possible consequences.
Mar 28­7:00 PM
2
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
2 Scientists are concerned that human
activities are increasing greenhouse
gases in the atmosphere. Which
greenhouse gas is increasing the
fastest?
A
methane
B
water vapor
C
nitrogen
D
carbon dioxide
LT 5 I can identify human impacts on the carbon cycle and can explain possible consequences.
Mar 28­7:00 PM
3
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
3 All of the following are possible
consequences of human impact on the
carbon cycle except:
A
increased volcanic activity
B
rise in sea level
C
melting of glaciers and ice caps
D
extreme weather
LT 5 I can identify human impacts on the carbon cycle and can explain possible consequences.
Mar 28­7:16 PM
4
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
4 What is the relationship between
carbon dioxide and temperature?
A
When CO2 goes up, temperature
goes up
B
When CO2 goes up, temperature
goes down.
C
There is no relationship between
CO2 and temperature
LT 5 I can identify human impacts on the carbon cycle and can explain possible consequences.
Mar 28­7:24 PM
5
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
5 Which description best fits the graph?
A
As CO2 increases O2 (oxygen)
increases.
B
C
As CO2 increases, O2 decreases
There is no relationship between
CO2 and O2.
LT 5 I can identify human impacts on the carbon cycle and can explain possible consequences.
Mar 28­7:51 PM
6
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
6 Identify the carbon sink from the
following:
A
plants
B
animals
C
forest fires
D
fungi, bacteria, worms
I can identify and distinguish between carbon sources and carbon sinks and can explain the movement of carbon between these locations.
Mar 28­7:57 PM
7
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
7 Identify a carbon source from the following:
A
plants
B
deep ocean
C
atmosphere
D
fungi, bacteria, worms
I can identify and distinguish between carbon sources and carbon sinks and can explain the movement of carbon between these locations.
Mar 28­8:00 PM
8
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
8 In the carbon cycle game, the carbon
sinks that showed the largest changes
from Round 1 (before humans) to Round
2 (after humans) were:
A
deep ocean, surface ocean
B
plant, animal
C
fossil fuels, atmosphere
D
plants, fossil fuels
Mar 28­8:06 PM
9
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
9 Scientists now believe that the carbon
sources are producing ________ carbon
than is being absorbed by sinks.
A
more
B
less
C
about the same
Mar 28­8:10 PM
10
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
10 Which of the following sinks also
produces small amounts of CO2?
A
rocks
B
plants
C
deep ocean
D
sea shells
I can identify and distinguish between carbon sources and carbon sinks and can explain the movement of carbon between these locations.
Mar 28­8:19 PM
11
Carbon Cycle LT 5 and 6 2013 Formative.notebook
April 03, 2013
Answers
1. B
2. D
3. A
4. A
5. B
6. A
7. D
8. C
9. A
10. B
Mar 28­8:25 PM
12