Air Pressure, Density, and Altitude



Air Pressure, Density, and Altitude

Altitude: ________________________________________________________

Air Pressure: ______________________________________________________

______________________________________________________

Air Density: _______________________________________________________

_____________________________________________________

More Dense Air Less Dense Air

Virtual Lab

Problem: How do pressure and density change as altitude increases?

Hypothesis: If altitude increases, pressure will _________________________.

If altitude increases, density will __________________________.

1. Record in the data table the Atmospheric Data at sea level – Density, Pressure, and Temperature.

2. Drag the red slider along the altitude measurement bar and select an altitude of 10 km.

3. Click launch.

4. Observe and record the atmospheric data at 10 km in the data table.

5. Repeat steps 2-4 for the following altitudes:

25 km, 50 km, 75 km, 100 km, 150 km, 200 km, and 400 km

Air Pressure, Density, and Altitude

Altitude: ________________________________________________________

Air Pressure: ______________________________________________________

______________________________________________________

Air Density: _______________________________________________________

_____________________________________________________

More Dense Air Less Dense Air

Virtual Lab

Problem: How do pressure and density change as altitude increases?

Hypothesis: If altitude increases, pressure will _________________________.

If altitude increases, density will __________________________.

1. Record in the data table the Atmospheric Data at sea level – Density, Pressure, and Temperature.

2. Drag the red slider along the altitude measurement bar and select an altitude of 10 km.

3. Click launch.

4. Observe and record the atmospheric data at 10 km in the data table.

5. Repeat steps 2-4 for the following altitudes:

25 km, 50 km, 75 km, 100 km, 150 km, 200 km, and 400 km

|Altitude (km) |Density |Pressure |Temperature |

| |(% of sea level density) |(Pa) |(Celsius) |

|0 | | | |

|10 | | | |

|25 | | | |

|50 | | | |

|75 | | | |

|100 | | | |

|150 | | | |

|200 | | | |

|400 | | | |

1. Which layer of the atmosphere do you live in? What kinds of meteorological phenomena can be found in this layer? _________________________________

________________________________________________________________

2. If a rocket were launched to a height of 210 km, what layer of the atmosphere would it be in? What kinds of meteorological phenomena might the rocket encounter in this layer? ______________________________________________

__________________________________________________________________

3. What is the ozone layer? In which layer of the atmosphere is it found? What is the importance of the ozone layer to life on Earth? __________________________

___________________________________________________________________

___________________________________________________________________

4. Describe what happens to air density as you increase altitude. ___________________________________________________________________

5. Describe what happens to air pressure as you increase altitude. ___________________________________________________________________

|Altitude (km) |Density |Pressure |Temperature |

| |(% of sea level density) |(Pa) |(Celsius) |

|0 | | | |

|10 | | | |

|25 | | | |

|50 | | | |

|75 | | | |

|100 | | | |

|150 | | | |

|200 | | | |

|400 | | | |

1. Which layer of the atmosphere do you live in? What kinds of meteorological phenomena can be found in this layer? _________________________________

________________________________________________________________

2. If a rocket were launched to a height of 210 km, what layer of the atmosphere would it be in? What kinds of meteorological phenomena might the rocket encounter in this layer? ______________________________________________

__________________________________________________________________

3. What is the ozone layer? In which layer of the atmosphere is it found? What is the importance of the ozone layer to life on Earth? __________________________

___________________________________________________________________

___________________________________________________________________

4. Describe what happens to air density as you increase altitude. ___________________________________________________________________

5. Describe what happens to air pressure as you increase altitude. ___________________________________

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