Transcript week1005 - Cobb Learning

Warm-Up #2: 10/05/09 – Answer only
Water Temperature in oC Number of developing clams
15
12
20
34
25
70
30
140
35
72
40
35
45
15
50
0
1. What is the optimum temperature for clam development?
2. Predict…How many clams will develop in water that is 10C?
Answer
• 1. 30 degrees celcius
• 2. 0
Warm-Up #3: 10/06/09
Average Household Daily Water Use
1. According to this graph, which of the following activities uses the
greatest amount of water?
a. bathing
b. toilet flushing
c. washing laundry
d. There is not enough information to determine the answer.
2. An average family used 380 L of water per day, until they stopped
washing their car, stopped watering their lawn, and stopped using their
pool. Now, how much water per day do they use?
Answers
• 1.
• 2.
D
380 x 32%
380 x .32 = 122
380 – 121 = 258
Warm-Up #4: 10/07/09
Sam washed his favorite pair of jeans.
He hung the wet jeans on a clothesline
outside. An hour later, the jeans dried.
What answer best describes what
happened to the water that was in
the jeans?
a.
b.
c.
d.
e.
f.
It disappeared and no longer exists.
It moved up to the clouds.
It broke down into atoms of hydrogen and oxygen.
It chemically changed into a new substance.
It went up to the Sun.
It soaked into the ground.
Provide an explanation for the answer you selected.
Answer
• B - The sun caused the water to heat and
change it’s physical state from a liquid to a
vapor causing the evaporation of the
water. The water vapor then accumulates
in the atmosphere and begins to condense
forming clouds.
Warm-Up #5: 10/08/09
Identify each part of the water cycle.
2. _____________
3. ________
1. _____________
5._____________
4. __________
Warm-Up : 10/09/09
Organisms, including plants need food to survive. List all
the things below you think plants use as food. Explain
your thinking. How did you decide if something listed is
food for plants?
Sunlight
Water
Soil
Oxygen
Sugar
Leaves
Carbon Dioxide
Fertilizer
Minerals
Plant food from a garden store