Does your body use electricity at all? Is it similar to a circuit? -Explain your answer Yes, electrical signals travel along nerves carrying information to and from your BRAIN. Heart uses electrical impulses to move blood 555fd7eb7e2d&fromMyDe=0&isPrinterFriendly=0&provider=&isLessonFromHealth=0&productcode=US&isAssign ed=false&includeHeader=YES&homeworkGuid 555fd7eb7e2d&fromMyDe=0&isPrinterFriendly=0&provider=&isLessonFromHealth=0&productcode=US&isAssign ed=false&includeHeader=YES&homeworkGuid

__Electric field __Electric force __Electric current __Electric circuit a.How electric charges are drawn towards or pushed away b.The continuous flow of electric charges through material c.A complete unbroken path through which electric charges can flow d.Region around a charged object (proton, electron) where electric force is exerted

OPEN YOUR BOOK to page 36. Neatly, recreate diagram A, B, and C (write the verbal explanation and pay attention to vector arrows) OPEN YOUR BOOK to page 36. Neatly, recreate diagram A, B, and C (write the verbal explanation and pay attention to vector arrows)

Why can we not use lightning as a source of current electricity? Why can we not use lightning as a source of current electricity? 555fd7eb7e2d&fromMyDe=0&isPrinterFriendly=0&provider=&isLessonFromHealth=0&productcode=US&isAssigned=false&includeHea der=YES&homeworkGuid= 555fd7eb7e2d&fromMyDe=0&isPrinterFriendly=0&provider=&isLessonFromHealth=0&productcode=US&isAssigned=false&includeHea der=YES&homeworkGuid= 555fd7eb7e2d&fromMyDe=0&isPrinterFriendly=0&provider=&isLessonFromHealth=0&productcode=US&isAssigned=false&includeHea der=YES&homeworkGuid 555fd7eb7e2d&fromMyDe=0&isPrinterFriendly=0&provider=&isLessonFromHealth=0&productcode=US&isAssigned=false&includeHea der=YES&homeworkGuid We can not control the flow of electrons. All the energy is released immediately. We can not control the flow of electrons. All the energy is released immediately.

What three components do you need to have a complete circuit? Give three examples of each What three components do you need to have a complete circuit? Give three examples of each 1. Power Source (push/force volts) battery, generator, solar cell 1. Power Source (push/force volts) battery, generator, solar cell 2. Conductor (transfers electrons)-wires, nerves, metals 2. Conductor (transfers electrons)-wires, nerves, metals 3. Resistor/Load (uses the electricity)- refrigerator, fan, lights, dryer, etc. 3. Resistor/Load (uses the electricity)- refrigerator, fan, lights, dryer, etc.

Why do conductors allow ELECTRONS to move throughout more easily than insulators? Why do conductors allow ELECTRONS to move throughout more easily than insulators? a.The atoms that make them up have tightly bound electrons. b.The atoms that make them up have more electrons c.The atoms that make them up have loosely bound electrons d.The atoms that make them up have less electrons

The third prong of an appliance is connected to ? The third prong of an appliance is connected to ? a.The line coming from the electric plant b.The ground wire c.The line going to the electric plant d.A circuit breaker or fuse - Appliances need to be grounded so that charges are able to flow directly from the circuit into Earth in the event of a short circuit or power surge

Using your notes for Ohm’s Law. What happens to the current if you??????? Using your notes for Ohm’s Law. What happens to the current if you??????? Increase Voltage Increase Voltage Increase ResistanceCurrent will _______ Increase ResistanceCurrent will _______ Decrease Voltage Decrease Voltage Decrease Resistance Decrease Resistance

6 Craziest Extinctions

In a series circuit, the more light bulbs that are added, the bulbs become? In a series circuit, the more light bulbs that are added, the bulbs become? a.Dimmer b.Hotter c.Brighter d.More Resistant For a given voltage being pushed, more RESISTORS decrease the flow of the electric current

What TWO factors will determine your households energy bill each month? What TWO factors will determine your households energy bill each month? A.Power and Volts used B.Power and Amps used C.Power and Time D.Power and Resistance -So turn off the lights, shut the fridge, shut the door, unplug appliances not being used, You’ll pay one day

If your household’s electric meter was at 2,982 kWh on February 12 and 3,292 kWh on March 12. How much was the energy bill for that month? If your household’s electric meter was at 2,982 kWh on February 12 and 3,292 kWh on March 12. How much was the energy bill for that month? Assume energy cost is about $.85 cents per kWh. $ for that month

A microwave has a power rating of 1000 W and uses the standard voltage in your household (120 V). What is the current through the microwave? A microwave has a power rating of 1000 W and uses the standard voltage in your household (120 V). What is the current through the microwave? Current ___________________

What do power companies use to transfer electricity over long distances via power lines? What do power companies use to transfer electricity over long distances via power lines? a.Converters b.Capacitors c.Transcoders d.Transformers

Looking at your diagram of step-up/step-down transformers Looking at your diagram of step-up/step-down transformers When the voltage is decreased by a step-down transformer, is energy (POWER) destroyed in the process? When the voltage is decreased by a step-down transformer, is energy (POWER) destroyed in the process? No, even though the voltage decreases, the current will increase No, even though the voltage decreases, the current will increase POWER = VOLTAGE X CURRENT POWER = VOLTAGE X CURRENT

Make a list of technology or items that use an electromagnet to operate.

Does your cell phone have a strong enough electromagnet (magnetic field) to scramble a hotel key card? Explain…… Does your cell phone have a strong enough electromagnet (magnetic field) to scramble a hotel key card? Explain…… MOST likely, it is either a weak magnetized code caused by the repeated use of being programmed, OR faulty reader scanning code to begin with. MOST likely, it is either a weak magnetized code caused by the repeated use of being programmed, OR faulty reader scanning code to begin with. Although highly unlikely it is still possibly plausible Although highly unlikely it is still possibly plausible

1.Get out you Electromagnet Lab Investigation 2.Look at your data 3.In your composition book discuss the following prompts – What factors either strengthened or weakened your electromagnet? – Of the items tested what did they have in common….why magnetic attraction? – What do you know now that you didn’t get before investigating?

Note Book Check? Note Book Check? 1.What is the question to the bell work on Feb. 11, Write the ANSWER to the bell work on 1/7/13 3. For the “Star Cycle” what stage was the star in for No Write out learning target J 5. Write out learning target R

The brake light on an automobile is connected to a 12-volt battery. If the resulting current is 0.40 amps, what is the resistance of the brake? remember OHM’s LAW…………… The brake light on an automobile is connected to a 12-volt battery. If the resulting current is 0.40 amps, what is the resistance of the brake? remember OHM’s LAW…………… SHOW YOUR WORK SHOW YOUR WORK 75bb84c9df10&productcode=US&CFID=438348&CFTOKEN= bb84c9df10&productcode=US&CFID=438348&CFTOKEN= bb84c9df10&productcode=US&CFID=438348&CFTOKEN= bb84c9df10&productcode=US&CFID=438348&CFTOKEN=

List types of technology, in the medical field, used to examine the anatomy of a patient? List types of technology, in the medical field, used to examine the anatomy of a patient? Do you know what type of energy it uses? Do you know what type of energy it uses?

Explain how the following demonstration would represent a power plant and electricity being generated Explain how the following demonstration would represent a power plant and electricity being generated

To produce an electric current, charges must flow continuously from one place to another. Which of the following provides an unbroken path for charges to flow? To produce an electric current, charges must flow continuously from one place to another. Which of the following provides an unbroken path for charges to flow? a.A series circuit b.A parallel circuit c.A complex circuit d.All of the above

YOUR QUIZ YOUR QUIZ 1.Write every learning target since the beginning of the year 2.Explain how or why you understand the learning target (USE COMPLETE SENTENCES) 3.Diagram each circuit and explain the flow of electrons (series, complex, parallel) APRIL FOOLS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!