Ms. Longo Earth Science Weather & Water. 9/14 Agenda Vocabulary Air Experiment.
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Transcript of Ms. Longo Earth Science Weather & Water. 9/14 Agenda Vocabulary Air Experiment.
![Page 1: Ms. Longo Earth Science Weather & Water. 9/14 Agenda Vocabulary Air Experiment.](https://reader036.fdocuments.in/reader036/viewer/2022062721/56649f1f5503460f94c37144/html5/thumbnails/1.jpg)
Ms. LongoEarth ScienceWeather & Water
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9/14
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Agenda
Vocabulary
Air Experiment
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Back to School night
10 pts. Extra credit if your parent/guardian comes to this class
They will follow your school schedule. Please give them a copy.
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Do Now
Notebook maintenance
Check and discuss your answers from NB sheet 2 (Air Investigation)
Each group will share one question
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Vocabulary
Every object and substance in the world is made of matter. The 3 states of matter are solid, liquid, and gas. The amount of matter in an object is its mass.
Mass is the measurement of the amount of matter in an object or a substance such as air. Mass is measured in grams.
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VocabularyOne way to confirm that something has mass is to weigh it. Weight is pull or force between Earth and the matter in an object or substance. Weight depends on gravity, so weight can vary slightly at different places on Earth and can vary greatly on different planets. In outer space, away from planets, objects become weightless, but their mass does not change.
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Discussion Questions
Does air has mass?
Is there any matter in a volume of air?
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Air Experiment
Materials:
2 L plastic bottle
Pump
Electronic balance
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Air Experiment
Using these materials what how would we conduct an experiment to find out if air has mass?
Discuss with your group
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Air Experiment
Measure mass of bottle and pump
Record data
Pump bottle full of airRecord data
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Air Experiment
Analyze the results:
Pumping air into the bottle forces more air in, so the air in the bottle is compressed.
Compression pushes the particles closer together. There is more air (more air particles) in the volume inside the bottle now than there was in the unpumped bottle.
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Results continued
A bottle of compressed air weighs more than a bottle of uncompressed air because it has more particles in the bottle.
More weight = more mass. Therefore air has mass, so air is matter.
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Record your findings
Summarize the finding of the experiment in your NB.
Your answer might look something like this:
We showed that air has mass, because when we __________ , we collected evidence that _________ .
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9/15
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Agenda
Review and record findings from Air Experiment
Big Ideas
Vocabulary
FQ
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Record your findings
Summarize the finding of the experiment in your NB.
Your answer might look something like this:
We showed that air has mass, because when we __________ , we collected evidence that _________ .
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Big Ideas
Label a new page Big Ideas
Save 2 pagesBookmark the page
Copy the next points onto this page
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Big Ideas
Air has mass and takes up space.
Air is made of many tiny particles, which are constantly in motion with a lot of space between them.
Air can compress and expand.
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VocabularyDefine these words in your
own words:
Air
Compress
Expand
Mass
Matter
Particle
Pressure
State
Weight
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Revisit Focus Question 2.1
What is Air?Draw a line of learning, today’s date
Add new ideas
Discuss your answer with your table group
Add any new ideas to your page
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Weather & Water Book
Look at the cover, table of contents, glossary and index.
Turn to “A Thin Blue Veil” p. 23
Look at the images
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Weather & Water Book
Turn to page 23 “A thin Blue Veil”
Look at the imagesThe upper image is a photo taken by space-shuttle astronauts. The shuttle was orbiting in Earth’s atmosphere at the time and shows only a small portion of Earth.
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Weather & Water Book
Turn to page 23 “A thin Blue Veil”
Look at the imagesThe lower image is a photo of Earth taken by Apollo 17 Astronauts in 1972. The astronauts were on the way to the moon at the time.
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Prepare to answer these questions based on the
imagesWhere is the atmosphere?
Can you see the atmosphere in the image of Earth taken from space?
Can you see the atmosphere in the image of Earth taken from the shuttle?
What structures can you see in the atmosphere?
Why can’t you see the atmosphere in the image taken from space?
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FQ 2.2
What is the atmosphere?
Please write your first answer.
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9/16
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Agenda
Vocabulary
FQ 2.1 Revisit
Big Ideas
FQ 2.2
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Do Now
Notebook Maintenance
Continue with vocabulary definitions
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9/17
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Agenda
Atmosphere Introduction
TextbookPosters
Reading
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Do Now
Notebook Maintenance
Continue with vocabulary definitions
Yesterday’s weather
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Atmosphere
The Earth is surrounded by a layer of air. The layer of air is called Earth’s atmosphere. The atmosphere lies between Earth‘s surface (solid and liquid) and the vastness of space. We terrestrial animals live most of our lives at the bottom of the atmosphere, surrounded by the invisible mixture of gases called air.
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Earth’s Atmosphere Posters
Look at the small version of the posters in the “A Thin Blue Veil” reading p. 24-5
Look at the vocabulary, and how the atmosphere is organized.
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Earth’s AtmosphereThe atmosphere has different layers that have different properties at different elevations.
The lowest layer of the atmosphere is called the troposphere. Most of Earth’s air is found here, and Earth's weather happens in the troposphere.
The layer above the troposphere is the stratosphere. You may have heard of the ozone layer. The ozone layer is found in the stratosphere.
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Earth’s AtmosphereThe mesosphere is above the stratosphere. This is the layer in which meteoroids entering Earth’s atmosphere become meteors- the streaks of light that are sometimes called “shooting stars.”
The thermosphere is next. Scientist don’t know very much about the thermosphere except that it has high temperature, but very little air.
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Earth’s Atmosphere
The layer farthest away from Earth’s surface is the exosphere. It is a relatively thick layer, but it contains very little air. It is the transition layer between Earth’s atmosphere and outer space.
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Earth’s Atmosphere
Look at the picture on the right of
p. 25
The layer of the atmosphere that extends from Earth's surface up to about 10-24 km is the troposphere.
The average is 15 km
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Earth’s Atmosphere
The troposphere represents only about 2% of the height of the atmosphere, but about 85% of Earth’s air is found here. This is the most complex part of the atmosphere, and a lot of activity takes place here.
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Objects in the Atmosphere
Scientists send several kinds of devices into the atmosphere to study it. People and other living organisms can be found at different levels in the atmosphere. The poster shows the elevations in the atmosphere where some of these objects and organisms can be found.
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Objects in the Atmosphere
Space shuttle (now retired)
Peak of Mount Everest
International Space Station
Jetliner (airplanes)
Meteors
Weather balloons
Storm clouds
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Notebook sheet 3
Some of these questions have been studied by atmospheric scientists. We may be able to find answers to some of these questions by doing a little research. We have two sources of information to look into: the online activity and an article about the atmosphere.
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Reading
P. 20
“What’s in the Air?”
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9/18
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Agenda
Atmosphere Composition chart
Earth’s Atmosphere Questions
Online Activity
Vocabulary
Focus question revisit
Notebook review for test
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Do Now
Notebook Maintenance
Open NB to weather report pages
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Atmosphere CompositionDraw this chart in your NB. Add one
important fact about nitrogen and one important fact about oxygen next to the
chart
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Earth’s Atmosphere Questions
Answer questions 1-6
Pass to the edge of your table when everyone is done.Reading p. 20 Posters p. 24-25
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Elevator to Space
Copy the data table
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Elevator to Spacekm Altitude Temperature Density of Atmosphere Mass of Atmosphere (%) Gasses
0.0
.4
.9
2.3
5.3
8.9
11.0
20.0
39.8
85.0
371.0