Tue 10/21 start at top of new page 1.What is conduction, convection, and radiation of energy?...

Transcript of Tue 10/21 start at top of new page 1.What is conduction, convection, and radiation of energy?...

Tue 10/21 start at top of new page

1. What is conduction, convection, and radiation of energy?

Conduction - direct transfer of energyConvection – transfer in a fluid Radiation – electromagnetic waves

http://www.google.com/url?sa=i&rct=j&q=conduction+convection+radiation&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://schoolworkhelper.net/thermal-energy-transfer-conduction-convection-radiation/&ei=oWNGVJb1A-fO8AHr84GwAw&bvm=bv.77880786,d.b2U&psig=AFQjCNGyf0uZPtDh2jIf2QGz1Mrds4majQ&ust=1413985477808391

Wed 10/22

2. Draw and label greatest potential energy and greatest kinetic energy.

https://scienceisntscary.files.wordpress.com/2013/06/potential-and-kinetic-energy1.png

Mon 10/27

3. What energy transformations take place in a wind turbine?

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.gopetition.com/petitions/petition-against-wind-turbine-in-llanfynydd.html&ei=XLhKVPmaB4bGgwTswYL4BA&bvm=bv.77880786,d.eXY&psig=AFQjCNH8yUdZUvsTeZpG-xiK7pGvfOI7og&ust=1414269359429275

Tue 10/ 28

4. What ET’s take place in a Hydroelectric power plant?

PEKEMEEE

Mon 11/3

6. What is the name of the simple machine below?What is an advantage and disadvantage?Inclined planeAdvantage – less forceDisadvantage - distance greater

http://www.google.com/url?sa=i&rct=j&q=inclined%20plane%20ramp&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://ed101.bu.edu/StudentDoc/Archives/ED101sp06/cjhpyo/inclineplane.htm&ei=J4tXVKPtH8L0oATGgoCAAg&bvm=bv.78677474,d.eXY&psig=AFQjCNFyJzOY2UiAxmLA8i8167ELL5_l5w&ust=1415109778797728

Tue 11/47. What type of simple machine is in the picture?How could you reduce the force needed to get up

the steps?Inclined planeLonger ramp

http://www.google.com/url?sa=i&rct=j&q=wheel%20chair%20ramp&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://musculardystrophybook.com/making-almost-everywhere-you-go-accessible&ei=S99YVMvUNOnxigKO0IDQAQ&bvm=bv.78677474,d.eXY&psig=AFQjCNFAVsDH4iFlY9zpEZuj_K50arraGw&ust=1415196865797716

Wed 11/58. What energy transformations are taking place ?Kinetic or (mechanical) to thermalKE TE

http://www.google.com/url?sa=i&rct=j&q=a%20truck%20skiding&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.cartoonstock.com/directory/s/skid_marks.asp&ei=ek9ZVLXqGOyrjALDxICYBw&bvm=bv.78677474,d.aWw&psig=AFQjCNEb0SYXNGcwYcFQJaV13hoOT1zeyA&ust=1415225549852247

Mon11/10

9. If its cold in the shade, what should you do?Us e the RADIANT ENERGY from the sun to get

warm.

Energy Quiz (if you want to raise to 70)Correct the questions missedOn you own paperFront 1. Write out question and correct answerBack 1. Draw image and write correct answer below

Page 1Draw and label flashlight p. 227Describe the energy transformations that take place.Page 2 How is energy transferred in each? Draw and explain.

CE>EE>LE>TE

CE>TE>LE PE>KE>ME>EE EE > ME CE > EE

Page 3 Explain the energy transformations. What happens to the spoon and tea?

Thermal energy is transferred to the spoon by conduction. Spoon gets warmer the tea cools.

What happens when hot rocks are put into cold water?

Conduction occurs , water getswarmer , rocks cool off.

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://jakemcmillan.wordpress.com/2010/03/01/forget-the-perfect-cup-of-tea-how-to-make-a-good-cup-of-tea/&ei=z7xKVO2HHNSTgwSXxYLAAg&psig=AFQjCNHDhM1m4zaL_kD3QxHvdZQp7QpE4g&ust=1414270368221567

http://www.google.com/imgres?imgurl=http://www.hotelaristonpaestum.com/web/wp-content/uploads/sauna-hotel-ariston.jpg&imgrefurl=http://www.hotelaristonpaestum.com/web/benessere/spa/&docid=gIcvLnqdCJPcpM&tbnid=fc9FBMTefI-BmM&w=540&h=325&ei=v79KVLS0L8mYyASK-4HoAQ&ved=0CAMQxiAwAQ&iact=c

Page 4 Draw and label p. 197

Page 5

Draw and label greatest PE and KE.

http://www.google.com/url?sa=i&rct=j&q=roller%20coaster%20physics&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://tclauset.org/16_StGuides/ch13/ch13-conceptsflash-b.htm&ei=AIxOVJzxFeW58gGFtICABQ&bvm=bv.77880786,d.b2U&psig=AFQjCNEJ8ogYxmJgCdqM1BkPfql4Gj8Cxg&ust=1414520190105933

Page 6 What happens the higher you raise the first ball?

More potential energy the more kinetic energy.

http://www.google.com/url?sa=i&rct=j&q=newton's%20cradle&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://science.howstuffworks.com/newtons-cradle.htm&ei=a4tXVLCjKcvooASjhIHoBQ&bvm=bv.78677474,d.eXY&psig=AFQjCNEiACJGViB82oalxW9rbd_48UJ44w&ust=1415109857205126

Page 7 Which have potential energy, kinetic energy,

none or both? PENoneKEPE and KE

http://www.google.com/url?sa=i&rct=j&q=skier%20going%20down%20hill&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.dreamstime.com/royalty-free-stock-photo-skiing-downhill-winter-image20462885&ei=NYxXVMKOGcG0oQSi1ICABA&bvm=bv.78677474,d.eXY&psig=AFQjCNFi0rd5g6vmABoS_kh3oE1eyuPYIg&ust=1415110043997029

http://www.google.com/url?sa=i&rct=j&q=axe%20stuck%20in%20log&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://graphicleftovers.com/graphic/1520681-axe-in-log&ei=b4xXVLPOOIPnoATSr4HACQ&bvm=bv.78677474,d.eXY&psig=AFQjCNEcxUmf3me5UgfkSEvIEqOtSFaEZQ&ust=1415110110255976

http://www.google.com/url?sa=i&rct=j&q=sitting%20on%20bench&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.shutterstock.com/pic-117975667/stock-photo--d-illustration-of-tired-sad-person-sitting-on-a-bench-d-rendering-of-human-businessman-character.html&ei=uYxXVJjgLIXqoATrroKYBg&bvm=bv.78677474,d.eXY&psig=AFQjCNHXKmV2o_fNYNgFJM53vPBhiNdDrw&ust=1415110165225931

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://commons.wikimedia.org/wiki/File:Frozen_River_%22Vils%22,_2012.JPG&ei=v75XVOWhOuj1igLP74DICw&bvm=bv.78677474,d.aWw&psig=AFQjCNH6123A8I19oDraQMY-a6z1RpFXtA&ust=1415122999065876

Page 8

What energy transformations take place in a Radio?

EEMESE

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.ftexploring.com/energy/energy-1.htm&ei=379XVJqAG4urjALPiIHwBQ&bvm=bv.78677474,d.aWw&psig=AFQjCNEF_GHxYJMAefTe4o6bnOagt_aCMw&ust=1415123188789939

Page 9What will eventually happen to the ice tea? Room 80 o F

Will become the temperature of the room.

Room 80 degrees

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.kitchentreaty.com/how-to-make-cold-brewed-iced-coffee-concentrate/&ei=ZsBXVPrqAuTvigKzlYDAAQ&bvm=bv.78677474,d.aWw&psig=AFQjCNFMxVZHdCu_eoIuT66mGnlbMezabg&ust=1415123418404443

Page 10

What are some limitations of the models below?Too small to produce a usable amount of

electricity.

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.alamy.com/stock-photo-Young_girl_in_winter_coat_holding_spinning_pinwheel-18972325.html&ei=ptJXVPaSCYWc8QW7q4LgBw&bvm=bv.78677474,d.cGE&psig=AFQjCNFaw7ZXTC6qurw-ei8G_jefDTTvWg&ust=1415128063283129

http://www.google.com/url?sa=i&rct=j&q=model+of+hydroelectric+power+plant&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=https://www.youtube.com/all_comments?v=g6IN0rLcmP4&ei=zu9XVO3EONGdygSQwILwDQ&bvm=bv.78677474,d.aWw&psig=AFQjCNE7IxRp2BQIij59jjYrjEUAkccDyw&ust=1415135475893805

http://www.google.com/url?sa=i&rct=j&q=wind%20turbine%20model&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://teachers.egfi-k12.org/resource-kidwind/&ei=YfBXVNXYLpKHyASwz4C4Cw&bvm=bv.78677474,d.aWw&psig=AFQjCNHaGZqkNNXELtNpr4i3ZeuONWkOvQ&ust=1415135676905295

Slide 11How could you design an experiment to prove that

the more potential energy the more kinetic energy?

Record the speed of marble rolling down different height ramps. Speed = Distance / Time = cm/sec

Page 12

Label the energy transformations.ConductionRadiationConvection

Label the GPE and GKE

gpe

gke

gpe

gke

gpe

gke

Where is mechanical energy converted to electrical energy?

In the generator

Tue 10/21 start at top of new page 1.What is conduction, convection, and radiation of energy?...

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