States of Matter and Phase Change, Physical Science Lesson PowerPoint

4. -Nice neat notes that are legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn. Please label. Ice Melting Water Boiling Vapor GasT E M P Heat Added 

5. • RED SLIDE: These are notes that are very important and should be recorded in your science journal. • BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly. Copyright © 2010 Ryan P. Murphy

6. • http://sciencepowerpoint.comWebsite Link:

8.  First Area of Focus: Matter

21. Homogeneous: Composed of elements that are all the same.

24. Heterogeneous / Inhomogeneous: Composed of two or more different types of elements.

26. • Which picture below best represents a homogeneous mixture, and which represents a heterogeneous mixture?

35. • Which picture below best represents a homogeneous mixture, and which represents a heterogeneous mixture? Learn More about mixtures: http://www.elmhurst.edu/~chm/vchembook/106Amixture.html

46. Big Bang All Matter

47. Big Bang All Matter Particles join together

48. Big Bang All Matter Particles join together Gravity attracts particles, forms stars, planets Galaxies

49. Big Bang All Matter Particles join together Gravity attracts particles, forms stars, planets Galaxies Sun releases particles, photons through nuclear processes

50. Big Bang All Matter Particles join together Gravity attracts particles, forms stars, planets Galaxies Sun releases particles, photons through nuclear processes Plants harness Photons to make sugars with available molecules on Earth from formation

51. Big Bang All Matter Particles join together Gravity attracts particles, forms stars, planets Galaxies Sun releases particles, photons through nuclear processes Plants harness Photons to make sugars with available molecules on Earth from formation

52. Big Bang All Matter Particles join together Gravity attracts particles, forms stars, planets Galaxies Sun releases particles, photons through nuclear processes Plants harness Photons to make sugars with available molecules on Earth from formation Matter from the formation of the planets, sometime after the big bang.

56. • Available Worksheet: Law Conservation of Mass.

57. • Available Worksheet: Law Conservation of Mass.

58. • Activity! Law Conservation of Mass – Secure a birthday candle to a Petri-Dish and weigh all. – Light candle on a scale and record the weight of the candle every minute for 10 minutes. • Light fan can speed combustion / results. – Spreadsheet on next page. – Lab questions to be answered at end. Copyright © 2010 Ryan P. Murphy

59. • Record the Following Spreadsheet into your Journal. Time Weight of Candle at Start (grams) Start 5 10 15 20 25 30 35 40 45 50  Please graph results in a line graph. Copyright © 2010 Ryan P. Murphy

69. • Questions! – Why did the candle decrease in mass? – Answer! Because the candle which was a solid turned into a gas during combustion. The gas was not collected to be measured. Copyright © 2010 Ryan P. Murphy

71. • Questions! – Did the flame destroy matter (candle) or just change its form? – Answer! No, Matter cannot be created or destroyed but changed from one form to another.

78. • Demonstration of Law Conservation of Matter. – Weigh Alka-Seltzer and water solution tablet in grams _____ – Weigh 100 ml of water in grams ______ – Pour water into large zip-lock bag. • Predict the mass if we add Alka-Seltzer to the water bag and immediately seal the bag. • Predict the mass if we add Alka-Seltzer to the water bag and don’t seal the bag. Copyright © 2010 Ryan P. Murphy

81. • Demonstration of Law Conservation of Matter. – Weigh Alka-Seltzer and water solution tablet in grams _____ – Weigh 100 ml of water in grams ______ – Pour water into sandwich size Zip-Lock bag. • Predict the mass if we add Alka-Seltzer to the water bag and immediately seal the bag. • Predict the mass if we add Alka-Seltzer to the water bag and don’t seal the bag. Copyright © 2010 Ryan P. Murphy

84. • Demonstration of Law Conservation of Matter. – Weight of water _____? – Weight of Alka-Seltzer _____? – Weight together in sealed bag _____? – Weight together in unsealed bag _____? Copyright © 2010 Ryan P. Murphy

85. • Demonstration of Law Conservation of Matter Questions. – What happened when the two mixed? – Why was the weight of the water and tablet combined in the sealed bag the same as them separate? – Why did unsealing the bag decrease the weight of the two together. Copyright © 2010 Ryan P. Murphy

88. • Demonstration of Law Conservation of Matter Questions. – What happened when the two mixed? – Why was the weight of the water and tablet combined in the sealed bag the same as them separate? – Why did unsealing the bag decrease the weight of the two together? Copyright © 2010 Ryan P. Murphy

91. • Demonstration of Law Conservation of Matter Questions. – What happened when the two mixed? – Answer! The Alka-Seltzer reacted with the water and released a gas (carbon dioxide). Copyright © 2010 Ryan P. Murphy

94. • Demonstration of Law Conservation of Matter Questions. – Why was the weight of the water and tablet combined in the sealed bag the same as them separate? – Answer! Law Conservation of Matter. No gas was allowed to escape. Copyright © 2010 Ryan P. Murphy

97. • Demonstration of Law Conservation of Matter Questions. – Why did unsealing the bag decrease the weight of the two together? – Answer! The carbon dioxide gas was allowed to escape into the air which wasn’t recorded mass. Copyright © 2010 Ryan P. Murphy

98. • Demonstration of Law Conservation of Matter Questions. – Why did unsealing the bag decrease the weight of the two together? – Answer! The carbon dioxide gas was allowed to escape into the air which wasn’t recorded mass. – Optional Class Quiz found at • http://home.utah.edu/~u0577548 /Conservation%20of%20Matter/s um_of_parts_quiz.html Copyright © 2010 Ryan P. Murphy

119.  Kinetic Molecular Theory:  The molecules are in constant motion.  This motion is different for the 3 states of matter. Copyright © 2010 Ryan P. Murphy Kinetic Molecular Theory. Learn More: http://www.chm.davidson.edu/vce/kineticmolecularth eory/basicconcepts.

120. • Activity! State your Matter – Teacher to give each group of students a solid block (Maybe ice), glass of water, and balloon filled with gas.

124. • Activity Sheet Available: States of Matter and Phase Change.

126. • Activity! Describing Solid-Liquid-Gas – Please fill out the following spreadsheet and then collect data. – Find it or write (?) Solid Liquid Gas Volume L*W*H Shape Mass Copyright © 2010 Ryan P. Murphy

127. • Activity! Describing Solid-Liquid-Gas – Possible Answers! Solid Liquid Gas Volume Easy to find – in ml or cm3 Easy to find. Use graduated cylinder – ml Difficult to find in a classroom . Shape Many different forms. Easy to mold. Takes shape of the container. No Shape  Mass Generally Heavy / Weigh in grams Easy to find. Generally Heavy / Weigh in grams. Lighter in mass / Harder to weigh in a classroom  Copyright © 2010 Ryan P. Murphy

141. • Activity! Describing Solid-Liquid-Gas – Possible Answers! Solid Liquid Gas Volume Easy to find – in ml or cm3 Easy to find. Use graduated cylinder – ml Difficult to find in a classroom . PV=nRT Shape Many different forms. Easy to mold. Takes shape of the container. No Shape  Mass Generally Heavy / Weigh in grams Easy to find. Generally Heavy / Weigh in grams. Lighter in mass / Harder to weigh in a classroom  Copyright © 2010 Ryan P. Murphy

142. • Activity! Describing Solid-Liquid-Gas – Possible Answers! Solid Liquid Gas Volume Easy to find – in ml or cm3 Easy to find. Use graduated cylinder – ml Difficult to find in a classroom  . Shape Many different forms. Easy to mold. Takes shape of the container. No Shape  Mass Generally Heavy / Weigh in grams Easy to find. Generally Heavy / Weigh in grams. Lighter in mass / Harder to weigh in a classroom  Copyright © 2010 Ryan P. Murphy

145. • Activity! Describing Solid-Liquid-Gas – Possible Answers! Solid Liquid Gas Volume Easy to find – in ml or cm3 Easy to find. Use graduated cylinder – ml Difficult to find in a classroom . Shape Many different forms. Easy to mold. Takes shape of the container. No Shape  Mass Generally Heavy / Weigh in grams Easy to find. Generally Heavy / Weigh in grams. Lighter in mass / Harder to weigh than solid and liquids. Copyright © 2010 Ryan P. Murphy

161. Molecules form a crystal lattice.

162. Molecules form a crystal lattice.

163. • Activity! Semi-Solid • Diapers contain polyacrylic acid, a super- absorbent polymer (large molecule). – http://www.coolscience.org/CoolScience/KidScie ntists/babydiaper.htm (Learn More) – This molecule is hydophilic (water loving)

170. • Semi-solid. While similar to a solid in some respects (it can support its own weight and hold its shape), it also shares some properties of liquids, such as shape conformity to something applying pressure to it, or the ability to flow under pressure.

180. • Activity / video link (Extremely Optional) – http://www.youtube.com/watch?v=p440QWpHui8 – Assign three students to each hold a poster with the three states of matter. (Solid, Liquid, Gas) • When Zebra is dancing and singing fast person with gas poster must wave it around quickly. • When zebra is dancing normal wave the liquid poster at a normal speed. • When zebra is dancing slowly wave the solid poster extremely slow.

181. • Activity / video link (Extremely Optional) – http://www.youtube.com/watch?v=p440QWpHui8 – Assign three students to each hold a poster with the three states of matter. (Solid, Liquid, Gas) • When Zebra is dancing at a fast pace the person with gas poster must wave it around quickly / dance. • When zebra is dancing normal wave the liquid poster at a normal speed / slower dance. • When zebra is dancing slowly wave the solid poster extremely slow / slow dance.

182. • Based on the video, which is a solid, liquid, and gas.

200. • Video Link! (Optional) TMBG – http://www.youtube.com/watch?v=btGu9FWSPtc

206. • Heat Diffusion through a room.

207. • Activity! Making the room smell good. – Teacher to stand in one place and release some spray. – Raise your hand when you smell it. – What are the molecules doing? Copyright © 2010 Ryan P. Murphy

209. • What is the fourth state of matter?

212. • 99.9% of normal matter is Plasma.

213. • 99.9% of normal matter is Plasma. STARS

214. • 99.9% of normal matter is Plasma. STARS – So that .1% is the (s),(l),(g) that we are made of.

215. • BEC’s

216. • A Bose–Einstein condensate (BEC) is a state of matter formed by a system of bosons confined in an external potential and cooled to temperatures very near to absolute zero (0 Kelvin or −273.15 °C). –Under such supercooled conditions, a large fraction of the atoms collapse into the lowest Quantum state of the external potential, at which point quantum effects become apparent on a macroscopic scale.

217. • A Bose–Einstein condensate (BEC) is a state of matter formed by a system of bosons confined in an external potential and cooled to temperatures very near to absolute zero (0 Kelvin or −273.15 °C). –Under such supercooled conditions, a large fraction of the atoms collapse into the lowest Quantum state of the external potential, at which point quantum effects become apparent on a macroscopic scale.

218. First predicted by Satyendra Nath Bose who wrote paper and sent to Albert Einstein

223. Tc = is the critical temperature, n = is the particle density, m =is the mass per boson, h = is the reduced Planck constant, Kb = is the Boltzmann constant, and is the Riemann zeta function;

224. Tc = is the critical temperature, n = is the particle density, m =is the mass per boson, h = is the reduced Planck constant, Kb = is the Boltzmann constant, and is the Riemann zeta function;

228. • Bose-Einstein condensate (Optional) – http://www.youtube.com/watch?v=nAGPAb4ob s8

229. • Bose-Einstein condensate (Optional) – http://www.youtube.com/watch?v=nAGPAb4ob s8

241. • Video – Molecular motion of water / liquid. – Focus on how the molecules are moving as a liquid (Start) and solid (End of Video) http://www.youtube.com/watch?v=gmjLXrMaFTg Copyright © 2010 Ryan P. Murphy

242. Mystery box #1 Mystery Box #2 Mystery Box #3

243. Mystery Box #2 Mystery Box #3

244. Mystery Box #3

246. Which is a solid, which is a liquid, and which is a gas?

253. • Matter can exist in several different forms based on pressure, temperature and volume.

260. • Activity! Matter and Phase Change Simulator. – http://phet.colorado.edu/en/simulation/states-of- matter

261. • Video Link! (Optional) Khan Academy, • States of Matter (Advanced) – http://www.khanacademy.org/video/states-of- matter?playlist=Chemistry

262. • Video Short! The three states of matter. – A good review before the quiz. – http://www.youtube.com/watch?v=s- KvoVzukHo

275. • Bonus – Name the movie and the character.

276. • Answers to the Quiz Wiz 1-10 States of Matter on a molecular level.

299. • Bonus – Name the movie and the character.

300. • Bonus – Name the movie and character. • Legally Blonde “Elle Woods” (2001) starring Reese Witherspoon and Luke Wilson.

302. • Be prepared to have more questions than answers for the next 100 slides.

303. • You should be on page 2 of your bundle.

304. • You should be on page 2 of your bundle.

311. • Everything from galaxies to mountains to molecules is made from small particles that make up the atom. – An atom has a proton, neutron, and electron. – Inside the atom are quarks that make up the neutron and proton. Copyright © 2010 Ryan P. Murphy

312. • Everything from galaxies to mountains to molecules is made from small particles that make up the atom. – An atom has a proton, neutron, and electron. – Inside the atom are quarks that make up the neutron and proton. – Around the atom you will find the electron. Copyright © 2010 Ryan P. Murphy

317. • As you have just heard, everything from galaxies to mountains to molecules is made from quarks and leptons (Electrons). But that is not the whole story… – Quarks behave differently than leptons, and for each kind of matter particle there is a corresponding antimatter particle. Copyright © 2010 Ryan P. Murphy

326. • Scientists have observed antimatter particles for brief seconds.

327. • Scientists have observed antimatter particles for brief seconds. – The search is on to find out where they all are, if they are even out there?

328. • Scientists have observed antimatter particles for brief seconds. – The search is on to find out where they all are, if they are even out there? “Hi!”

329. • Scientists have observed antimatter particles for brief seconds. – The search is on to find out where they all are, if they are even out there? “Hi!”

330. • Scientists have observed antimatter particles for brief seconds. – The search is on to find out where they all are, if they are even out there? “Hi!” Antimatter. Learn more: http://livefromcern.web.cern.ch/livefromcern/antimatter/

331. • Video Link HD (Optional) The Universe, Big Bang, and Antimatter -24 minutes – Sorry for the advertisements. – http://www.youtube.com/watch?v=Y5oNwJNdMxY

332. • Matter – “It’s everything around us, from the air we breathe to the chair we are sitting on.” “We are made of matter.”

343. Dark Matter is a theory. A theory is a scientifically acceptable general principle or body of principles offered to explain phenomena. -An unproved assumption

344. • Most of the matter in the universe is not atoms found on planets or stars.

345. • Dark Matter and Dark Energy are believed to make up most of the matter in the Universe.

346. • Dark Matter and Dark Energy are believed to make up most of the matter in the Universe. Less than 5% of the Universe is the matter we know the most about.

348. “It’s called Dark Matter and Dark Energy, not because it’s evil, but because we still don’t know a lot about it.”

350. • Cosmic Web: A network of filaments of dark matter, believed by many astronomers to form the basis of the universe

366. • Video Link! (Optional) Hank explains Dark Matter – http://www.youtube.com/watch?v=VL6ZNHiqP9A

367. • Dark Energy – A hypothetical form of energy that permeates space and exerts a negative pressure, which would have gravitational effects. – This account for the differences between the theoretical and observational results of gravitational effects on visible matter.

368. • Dark Energy – A hypothetical form of energy that permeates space and exerts a negative pressure, which would have gravitational effects. – This account for the differences between the theoretical and observational results of gravitational effects on visible matter.

369. • Video Link! (Optional) Hank explains Dark Energy. – http://www.youtube.com/watch?v=ATwVApurIQ4

370. • Science knows how much Dark Energy there is because we know how it affects the Universe's expansion.

371. • Science knows how much Dark Energy there is because we know how it affects the Universe's expansion. – Other than that, it is still mostly a mystery.

372. • Science knows how much Dark Energy there is because we know how it affects the Universe's expansion. – Other than that, it is still mostly a mystery.

373. • To describe Dark Matter in easy form for you.

374. • To describe Dark Matter in easy form for you. – Dark Matter

375. • To describe Dark Matter in easy form for you. – Dark Matter • 25% of the Universe

376. • To describe Dark Matter in easy form for you. – Dark Matter • 25% of the Universe • Does not absorb or emit light

377. • To describe Dark Matter in easy form for you. – Dark Matter • 25% of the Universe • Does not absorb or emit light • Not normal matter (Stars and Planets)

378. • To describe Dark Matter in easy form for you. – Dark Matter • 25% of the Universe • Does not absorb or emit light • Not normal matter (Stars and Planets) • Not anti-matter

379. • To describe Dark Matter in easy form for you. – Dark Matter • 25% of the Universe • Does not absorb or emit light • Not normal matter (Stars and Planets) • Not anti-matter • Possibilities for Dark Matter include MACHOs, and WIMPs.

380. • MACHOs • (MAssive Compact Halo Objects): Objects ranging in size from small stars to super massive black holes. MACHOS are made of ordinary matter (like protons, neutrons and electrons). They may be black holes, neutron stars, or brown dwarfs.

381. • MACHOs • (MAssive Compact Halo Objects): Objects ranging in size from small stars to super massive black holes. – MACHOS are made of ordinary matter (like protons, neutrons and electrons). They may be black holes, neutron stars, or brown dwarfs.

382. • MACHOs • (MAssive Compact Halo Objects): Objects ranging in size from small stars to super massive black holes. – MACHOS are made of ordinary matter (like protons, neutrons and electrons). They may be black holes, neutron stars, or brown dwarfs.

383. • WIMPs • (Weakly Interacting Massive Particles): – Subatomic particles which are not made up of ordinary matter. – They are "weakly interacting" because they can pass through ordinary matter without any effects. – They are "massive" in the sense of having mass (whether they are light or heavy depends on the particle). The prime candidates include neutrinos, axions, and neutralinos.

386. • WIMPs • (Weakly Interacting Massive Particles): – Subatomic particles which are not made up of ordinary matter. – They are "weakly interacting" because they can pass through ordinary matter without any effects. – They are "massive" in the sense of having mass (whether they are light or heavy depends on the particle). The prime candidates include neutrinos, axions, and neutralinos. “Oh-No”

388. • To describe Dark Matter and Dark Energy in easy form for you.

389. • To describe Dark Matter and Dark Energy in easy form for you. – Dark Matter : Helped to form Galaxies (draws matter together)

390. • To describe Dark Matter and Dark Energy in easy form for you. – Dark Matter : Helped to form Galaxies (draws matter together)

391. • To describe Dark Matter and Dark Energy in easy form for you. – Dark Matter : Helped to form Galaxies (draws matter together) – Dark Energy: A property of space? A dynamic energy field that is the opposite of normal matter and energy? A new theory of gravity? It is also pulling the universe apart (expansion).

392. • To describe Dark Matter and Dark Energy in easy form for you. – Dark Matter : Helped to form Galaxies (draws matter together) – Dark Energy: A property of space? A dynamic energy field that is the opposite of normal matter and energy? A new theory of gravity? It is also pulling the universe apart (expansion).

394. • Dark Matter – A hypothetical form of matter that is believed to make up a large percent of the universe; it is invisible (does not absorb or emit light). Copyright © 2010 Ryan P. Murphy Dark Matter and Dark Energy. Learn more at… http://science.nasa.gov/astrophysics/focus-areas/what- is-dark-energy/

395. • Video – Dark Matter • http://www.youtube.com/watch?v=nJN2X3 NrQAE

396. • Dark Matter explain by Michio Kaku: Video Link (Optional) • http://www.youtube.com/watch?v=e4nnpg 4N35o&feature=related

398. • String Theory:

399. • String Theory: • “The theory of everything”

400. • String Theory: • “The theory of everything” – A theory that sub atomic particles are actually one dimensional strings.

401. • String Theory: • “The theory of everything”

430. • String Theory: • “The theory of everything” – A theory that sub atomic particles are actually one dimensional strings. String Theory: Learn more… http://www.nucleares.unam.mx/~alberto/physics/string.html

432. “Thank goodness that part is over.” “My brain hurts.”

436. • Mini-Experiment (Start) – Please hold the Hershey Kiss in your hand. – Please do not squish the kiss. – Please don’t ask me if you can eat it, just hold on to it until a slide tells you to end. – Record observations in journal as a before and after drawing. Copyright © 2010 Ryan P. Murphy

447. • Physical phase change – Freezing - Liquid to a solid. – Melting - Solid to a liquid. – Sublimation- - Solid to a gas (no liquid phase) – Evaporation - Liquid to a gas. – Condensation - Gas to a liquid. Copyright © 2010 Ryan P. Murphy

491. • Mini-Experiment (End) – What happened to the kiss? – Draw the after picture. – What was added to cause the phase change? • Describe this next to your after drawing. Copyright © 2010 Ryan P. Murphy

500. • Acetone and Styrofoam: The difference between melting and dissolving. – Safety Goggles and Gloves Required. – Learn more at… • http://www.elmhurst.edu/~chm/demos/Disappearing Cup.html

501. • Demonstration: What happened to the cup when placed on water?

502. • Demonstration: What happened to the cup when placed on water? “Dude, that was wicked boring.”

503. • Demonstration: Melting vs. Dissolving – http://www.youtube.com/watch?v=h9Jx8NRkWTo • Precautions: Uses Acetone, requires safety goggles, ventilated area, and acetone is flammable.

504. • Dissolving: To become incorporated into a liquid so as to form a solution. • Melting: To be changed from a solid to a liquid state especially by the application of heat.

511. • Demonstration: Melting vs. Dissolving • Who wants to read the answer aloud to the class? • When the acetone was poured into the cup, the cup dissolved. (Avoid saying that the cup melts, because this is not true). The reason for this happening is because the acetone and the Styrofoam cup share the same properties, they are both non- polar. Likes dissolves likes. Non- polar things have no charge, and polar things have positive and negative charges. The Styrofoam cup didn't dissolve with the water because, they have different properties, the water is polar, and the cup is non-polar. Acetone is actually what girls use to take off their nail polish.

518. • Demonstration: Melting vs. Dissolving • Who wants to read the answer aloud to the class? • When the acetone was poured into the cup, the cup dissolved. (Avoid saying that the cup melts, because this is not true). The reason for this happening is because the acetone and the Styrofoam cup share the same properties, they are both non- polar. Likes dissolves likes. Non- polar things have no charge, and polar things have positive and negative charges. The Styrofoam cup didn't dissolve with the water because they have different properties. the water is polar, and the cup is non-polar. Acetone is actually what girls use to take off their nail polish.

519. • Demonstration: Melting vs. Dissolving • Who wants to read the answer aloud to the class? • When the acetone was poured into the cup, the cup dissolved. (Avoid saying that the cup melts, because this is not true). The reason for this happening is because the acetone and the Styrofoam cup share the same properties, they are both non- polar. Likes dissolves likes. Non- polar things have no charge, and polar things have positive and negative charges. The Styrofoam cup didn't dissolve with the water because they have different properties. The water is polar, and the cup is non-polar. Acetone is actually what girls use to take off their nail polish.

520. • Activity – Temperature and phase change – Using digital thermometers and water. – Record temperature of water every minute. – Record observations of phase change during the minute they occur. • Bubbles – Boiling starts • Gas release – Boiling Copyright © 2010 Ryan P. Murphy

521. • Activity Sheet Available: States of Matter and Phase Change. – State of Matter Lab

522. • Please sketch the following graph in your journal. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 D E G R E E S C E L S I U S

523. • Please sketch the following graph in your journal. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Degrees Celsius

524. • Please sketch the following graph in your journal. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Degrees Celsius Time / Minutes

525. • Please sketch the following graph in your journal. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Degrees Celsius Time / Minutes

526. • Please sketch the following graph in your journal. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

527. • Activity – Temperature and phase change – Using digital thermometers and water. – Record temperature of ice water every minute. Tape thermometer so it doesn’t touch the side of the container. – Record observations of phase change during the minute they occur. • Bubbles – Boiling starts • Gas release – Boiling Copyright © 2010 Ryan P. Murphy

529. • Questions / Analysis of graph. – Please label the states of matter as they occur on your graph (based on observations and use correct terms such as melting and vaporization). – What happened at 100 degrees Celsius? – What trends to you see in the data? Copyright © 2010 Ryan P. Murphy

533. • Questions / Analysis of graph. – Please label the states of matter as they occur on your graph (based on observations and use correct terms such as melting and vaporization). Copyright © 2010 Ryan P. Murphy

534. • Possible answer based on the energy added to the water. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

535. • Possible answer based on the energy added to the water. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Water and Ice

536. • Possible answer based on the energy added to the water. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Water and Ice Liquid

537. • Possible answer based on the energy added to the water. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Water and Ice Liquid Bubbles / Vapor

538. • Possible answer based on the energy added to the water. 100 90 80 70 60 50 40 30 20 10 0 -10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Water and Ice Liquid Bubbles / VaporBoiling

552. • However, during the phase change, the temperature stays the same even though the heat energy changes. –That's why water doesn't get hotter as it is boiling. The temperature remains constant until the phase change is complete. Copyright © 2010 Ryan P. Murphy

553. • However, during the phase change, the temperature stays the same even though the heat energy changes. –This energy is going into changing the phase and not into raising the temperature. That's why water doesn't get hotter as it is boiling. The temperature remains constant until the phase change is complete. Copyright © 2010 Ryan P. Murphy

554. • However, during the phase change, the temperature stays the same even though the heat energy changes. –This energy is going into changing the phase and not into raising the temperature. That's why water doesn't get hotter as it’s boiling. The temperature remains constant until the phase change is complete. Copyright © 2010 Ryan P. Murphy

555. • However, during the phase change, the temperature stays the same even though the heat energy changes. –This energy is going into changing the phase and not into raising the temperature. That's why water doesn't get hotter as it’s boiling. The temperature remains constant until the phase change is complete. Copyright © 2010 Ryan P. Murphy

556.  Latent Heat: The energy absorbed or released when a substance changes its physical state. Heat added Temperature(oC) 0 100 MeltingIce Water Water VaporBoiling Latent Heat Latent Heat Copyright © 2010 Ryan P. Murphy

557.  Latent Heat: The energy absorbed or released when a substance changes its physical state. Heat added Temperature(oC) 0 100 MeltingIce Water Water VaporBoiling Latent Heat Latent Heat Copyright © 2010 Ryan P. Murphy

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States of Matter and Phase Change, Physical Science Lesson PowerPoint