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Presentation transcript:

A B Lesson Essential Question: BELLRINGER: The mass of an object is 30 grams. The volume of an object is 5 cm3. What is the object’s density? If you aren’t wearing a backpack, why do your shoulders still have pressure on them? Why won’t air pressure crush us? A B Lesson Essential Question: What are the effects of each property of air? 1

Today's Activities: Go over bellringer Take notes on barometers Build a mercury barometer Take notes on altitude, air pressure, and density.

What tool is used to measure air pressure? BAROMETER!!!!! 2 types: Mercury Aneroid

Barometers Mercury Barometer: instrument that measures air pressure using liquid mercury.

Draw a line on the glass tube to show where the level of mercury would go if AIR PRESSURE FELL. Draw a line on the glass tube to show where the level of mercury would go if AIR PRESSURE ROSE.

Barometers Aneroid Barometer: instrument that measures air pressure without using a liquid.

Science Challenge Question

Science Challenge Question

The distance above sea level. Altitude The distance above sea level.

Altitude Affects Air Pressure

Altitude Affects Air Pressure Imagine a stack of books, which book has more pressure on it, the top or bottom one? Air near the top of the atmosphere is like the top book, the air has less weight pressing on it and has a lower air pressure. Air at sea level is like the bottom book, it has high pressure.

Air pressure decreases as altitude increases.

Altitude Affects Density Altitude and Air Density: The density of air decreases as altitude increases.

Complete the “Properties of Air” homework. Saturday, April 22, 2017 Complete the “Properties of Air” homework. 16

Doodle 3 minutes – with table partner Using the word wall to help remind you of the vocabulary, draw a picture/doodle of one vocab word, and attempt to have your partner guess what you are doodling. 17

Million Dollar Pyramid FAIR PIZZA FLOOD BLUE SCIENCE PUPPY 18

Million Dollar Pyramid Aneroid Barometer Density Altitude Atmosphere Oxygen Air Pressure 19

Million Dollar Pyramid Mercury Barometer Mass Barometer Weather Nitrogen Pressure 20

Lab Demo Video: Notes