Tuesday, September 29, Pick up the three things at the front table (2 handouts + 1 envelope) 2.With your partner, using the BACK of your Powers of 10 Worksheet from yesterday, sort the cards on your table into the following systems and put cards in the correct scale: People Fuel Water Fire 1

Tuesday, September 29, Announcements/Business Items 2.Learning Target Concept Map Homework 3.Atoms and Molecules Notes 2

Does air have mass? 3 Is it empty? Is it full? OR

Zoom into Air 4 Benchmark Scale Power of Ten Decimal Style Large scale Larger Larger 100,000 10,000 1,000 Macroscopic meter Microscopic Atomic-molecular Smaller Smaller Scale: 10 3 meters = 1000 meters

Zoom into Air 5 Benchmark Scale Power of Ten Decimal Style Large scale Larger Larger 100,000 10,000 1,000 Macroscopic meter Microscopic Atomic-molecular Smaller Smaller Scale: 10 3 meters = 1000 metersScale: 10 2 meters = 100 metersScale: 10 1 meters = 10 metersScale: 10 0 meters = 1 metersScale: meters = 0.1 metersScale: meters = 0.01 metersScale: meters = meters Clouds contain air...

6 Benchmark Scale Power of Ten Decimal Style Large scale Larger Larger 100,000 10,000 1,000 Macroscopic meter Microscopic Atomic-molecular Smaller Smaller...and water droplets Scale: meters = meters Scale: meters = meters Scale: meters = meters

...and water droplets 7 Benchmark Scale Power of Ten Decimal Style Large scale Larger Larger 100,000 10,000 1,000 Macroscopic meter Microscopic Atomic-molecular Smaller Smaller Zooming in to the edge of a water droplet Scale: meters = meters Scale: meters = meters

Zooming in to the edge of a water droplet 8 Benchmark Scale Power of Ten Decimal Style Large scale Larger Larger 100,000 10,000 1,000 Macroscopic meter Microscopic Atomic-molecular Smaller Smaller Showing individual water and air molecules Scale: meters = meters Scale: meters = metersScale: meters = meters

9 Benchmark Scale Power of Ten Decimal Style Large scale Larger Larger 100,000 10,000 1,000 Macroscopic meter Microscopic Atomic-molecular Smaller Smaller Scale: meters = meters Scale: meters = meters …. we still see water! Showing individual water and air moleculesWater molecules inside the drop

Different kinds of molecules in air Carbon dioxide CO 2 Nitrogen N 2 Oxygen O 2 Water H 2 O Atomic-molecular Scale 10 Benchmark Scale Power of Ten Decimal Style Large scale Larger Larger 100,000 10,000 1,000 Macroscopic meter Microscopic Atomic-molecular Smaller Smaller

What’s in our atmosphere’s air? 11

What is the difference between an atom and a molecule? Oxygen 2. Carbon dioxide 3. Argon 4. Nitrogen Gas 5. Oxygen Gas 6. Hydrogen 7. Carbon 8. Nitrogen 9. Water

Three Facts about Atoms 1.Atoms last forever (except in nuclear changes). 2.Atoms make up the mass of all materials. 3.Atoms are bonded to other atoms in molecules. 13

Apply the three facts about atoms to air 1.Atoms last forever (except in nuclear changes). a.Will the carbon atoms that exist today in CO 2 still be carbon atoms in a million years? Explain. b.Will the CO 2 molecules that exist today still be CO 2 molecules in a million years? Explain. 14

Apply the three facts about atoms to air 2. Atoms make up the mass of all materials. a.Does air have mass? Explain why or why not. 15

Apply the three facts about atoms to air 3. Atoms are bonded to other atoms in molecules. a.What are some important molecules in air? List as many as possible. b.Which atoms found in air molecules? 16

Different kinds of molecules in air Carbon dioxide CO 2 Nitrogen N 2 Oxygen O 2 Water H 2 O Atomic-molecular Scale 17 Benchmark Scale Power of Ten Decimal Style Large scale Larger Larger 100,000 10,000 1,000 Macroscopic meter Microscopic Atomic-molecular Smaller Smaller

Check Your Understanding Exit Slip 18