Graded Assignment Lab Report for Discussion

Name:

Date:

Lab Report for Discussion

Answer the following questions before you participate in the discussion.

Interpreting Barometric Pressure Data and Weather Predictions

Use the Daily Weather Map and the Weather Data for Selected Cities table in the Student Guide to answer the following questions.

1. Do you think Tampa will clear within the next 12 hours? Explain your answer.

Answer:

Type your answer here.

2. What type of weather is in store for Miami within the next 12 hours? Explain your answer.

Answer:

Type your answer here.

3. In a hypothetical city such as Gotham City, the temperature is dropping and the skies are clearing. How would the barometer be changing?

Answer:

Type your answer here.

4. On another day in Gotham City, the temperature is rising, the skies are getting cloudy, and some precipitation begins to fall. How would the barometer be changing?

Answer:

Type your answer here.

Name:

Date:

Graded Assignment

Mid-Unit Test: Earth’s Atmosphere

Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.

(5 points)

Score

1. Explain the following:
What is a temperature inversion in the atmosphere?
Where do the temperature inversions occur in the atmosphere?
What causes the major temperature inversions in the atmosphere?

Answer:

(10 points)

Score

2. The five boxes below represent a geologic cross-cut with five layers (A is on top and E is on the bottom). The types of rocks are listed on the right side. In each box, write the appropriate type of rock and explain the answer in relation to the history of the earth’s atmosphere.

Answer:

A	Limestone layers
B	Banded-iron formations
C	Metamorphic rocks with fine grains
D	Red beds
E	Chert layers

(5 points)

Score

3. The cities listed below, from Chicago to Pittsburgh, lie in a roughly straight west to east line. Data on temperature, barometric pressure, and sky conditions for each city are shown in the table below. Use the data to explain what types of air masses are present and/or moving among these cities and how this accounts for the weather. What will Pittsburgh’s weather be like within the next 24 to 48 hours?

City	Temp (oF)	Pressure (in.)	Conditions
Chicago, IL	73	29.94 rising	Clear
Indianapolis, IN	75	29.93 falling	Partly cloudy
Columbus, OH	78	28.20 falling	Light rain
Pittsburgh, PA	74	29.90 steady	Mostly sunny

Answer:

(8 points)

Score

4. You recently bought a radio at a garage sale. The radio is old and doesn’t work very well. You have a difficult time getting a station during the day. You are just about to throw out the radio when late at night you turn it on. It gets perfect reception and sounds crystal clear. Using what you have learned about radio waves, explain why the radio works at night and does not work during the day.

Answer:

Your Score

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