Download - Midterm review 2013
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Midterm Review
2013
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Waves
Draw a standing wave. Label important terms (amplitude, wavelength, node, etc)
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Waves
Compare longitudinal and transverse waves. Give an example of each.
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Waves
Consider how waves are formed in the ocean. How does a tsunami form?
Using this information draw some conclusions about the relationship between important terms ex: velocity and amplitude – how are
they related? (Think: what causes the wave to grow?!)
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Waves
Define the terms and discuss how they are related. Also, what are the units of each? Wavelength Frequency Period
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Waves
What is the wavelength of the wave below.
What is the velocity of the wave if its frequency is 4 Hz?
0.2m
- 0.2m6 m
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Waves
Student A is on the Huntington Beach Pier in California and notices 11x World Champion Surfer Kelly Slater in the ocean below sitting on his board waiting for a wave. As a water wave passes, Kelly bobs up and down, rising to the top of a wave crest every 10s as he waits patiently for the perfect wave. Calculate the frequency of the passing waves. Calculate the speed of the passing waves.
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Waves
Student B shakes a slinky to create a standing wave that looks like this:
What is the wavelength? If we shake it 3x per second, what is
the speed of the slinky wave?
5 m
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Electricity
Units! Coulomb? Current? symbol?
Current is measured in? Unit of energy? Units of Voltage?
Measured in?
Which concept connects current and voltage?
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Electricity
Energy transformations! Where did the energy come from to
light our bulb?
What type of circuit do we need?
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Electricity
Circuits! Compare and contrast the two types of
circuits. Draw an example of each.
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Electricity
What equipment can be used to measure voltage and current?
How should they be hooked up to the circuit?
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Electricity
What do the squiggly line symbols in our drawings represent?
Define this term. What is it measured in? What law helps to define this term.
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Electricity
Use Ohm’s Law to determine the relationship between resistance, voltage, and current. (If one goes up, what happens to another?)
What was our other mathematical equation from Chapter 6?
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Electricity
An Xbox operating at 240V draws 2A of current. Determine resistance and power.
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Electricity
What is the power output of a Mustang GT with a 12V battery that supplies a current of 10A to its ignition?
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Electricity
A 100W light bulb runs on 200V and draws 2A of I. Running for 5 minutes (300s), how much energy is used in this time?
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Electricity
Draw a parallel circuit with 3 identical light bulbs with a battery that provides 9V and a current of 3A. What is the current and voltage for each bulb?
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Electricity
Draw a series circuit with 3 identical light bulbs with a battery that provides 9V and a current of 3A. What is the current and voltage for each bulb?
Based on these two answers – which way are houses wired? Why?
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Electricity
How do we control all of this electricity? What device(s) are used? How are
these different?
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Electricity
Chapter Challenge Math! If I use my 100W Hitachi drill for home
renovation work for two hours a day, how many kW hours do I use in a day?
*1 kW = 1000W
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Electricity
Review Ohm’s Law Worksheets Online website Chapter 6 folder 2 worksheets: “In-class” and
“Homework”
Review the Chapter 6 Exam Completed as an in-class worksheet
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Magnetism
Review your exams!
Draw the magnetic field of a bar magnet.
Draw the magnetic field around the current carrying wire indicated below: (Left Hand Rule!)
Current
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Magnetism
Which was does the North pole of a compass point? Why? Draw the bar magnet of Earth to substantiate your answer.
Inducing Currents… “breaking out of jail” question from the exam! Which action does NOT produce a
current? Which actions do?
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Magnetism
List three ways to increase the strength of a solenoid.
How are a motor and a generator different? What happened when I used two hands
cranks in my demo?
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Magnetism
Think back to our generator Investigate… what equipment did we use? How did we use this equipment to
generate electricity?