Download Domain 4: Waves, Electricity, and Magnetism

Domain 4: Waves, Electricity, and Magnetism
1.
As your teacher puts on the video for you to watch, what types of waves allow you to enjoy the
show?
2.
What do ALL waves carry?
3.
Which of the following waves would have the lowest energy photons? In answering, be sure to
compare all 3 waves in terms of their relative wavelength, frequency, as well as energy. What
pattern do you notice between the wavelength, frequency, and the amount of energy a wave
has?
A.
B.
C
4. Identify the types of waves/rays and use the words high/low and long/short to fill in the blanks.
________Frequency
_______Wavelength
___________Energy
5.
________Frequency
_______Wavelength
___________Energy
List the colors of the visible spectrum in the order of longest wavelength to the shortest. Come
up with a saying to remember the order.
6.
Define the following 2 terms: Mechanical Wave and Electromagnetic Wave. Construct a Venn
Diagram to compare and contrast Mechanical and Electromagnetic waves
8. Define the following terms: Reflection, Refraction, Diffraction and Interference. Identify the 4
examples given. Name one everyday example of reflection, refraction, diffraction, constructive
interference, and destructive interference.
Glass
9. Label the parts of a transverse wave: Crest, Trough, Wavelength, Resting Position, and Amplitude. Give
an example of a transverse energy wave used for communication.
10. Label the parts of a Longitudinal Wave: Compression, Rarefaction, and Wavelength.
Give an example of a Longitudinal wave used for communication.
11. Mrs. Matthews is yelling at her students. Which state of matter would the sound of her voice
travel fastest through and which the slowest? Why does sound travel fastest in the one you
chose and why does sound travel the slowest in the other?
12. What process is illustrated in the graphic below? Define the effect. What is happening to the
frequency of the sound waves, the wavelength, and the pitch to observer A? What is happening to
the frequency of the sound waves, the wavelength, and the pitch to observer B?
A
B
13. In the illustration for question 12, if the motorcycle was standing still at a stop light and the
person was moving toward the motorcycle, what would happen to the frequency, wavelength,
and the pitch of the sound waves?
14. How did the photoelectric effect, illustrated below, give evidence of light being composed of
photons?
15. How does the diffraction of light, illustrated below, prove that light behaves like a wave?
16. What is static electricity? Give an example. Explain how the static electricity illustrated in the
picture below is being generated….How is the static charge in the Van de Garaaff generator being
generated?
17. Name and explain the process by which the object below comes to have a static charge.
18. Michael is listening to his Ipod, Lacey is texting on her cell phone, and Dad is watching tv. Which
of these people are using a direct current source and which are using an alternating current
source? Describe flow of electrons in a direct current and an alternating current.
19. Electric current is the flow of____________ and is measured in _____________.
20. The table below explores the relationship between 3 properties of an electrical circuit: Current (I),
Voltage, and Resistance (Ohms Ώ) ?
Current
Increase
Voltage
Increase
Stays The Same
Resistance
Stays The Same
Stays The Same
Decrease
20. What 2 things could you do to a wire in an electrical circuit that would decrease the resistance?
What affect would this have on the current?
21. What is the voltage for an electrical circuit that has a current of 30 amps and a resistance of 40
ohms Ω?
22. Identify the type of electrical circuits are shown in the diagram below.
Which type of electrical circuits has only one pathway for the flow electrons?
Which type of electrical circuit has a separate pathway for the flow of electrons for each appliance on the
circuit?
If one bulb in circuit A goes out, what happens to the other?
If one bulb in circuit B goes out, what happens to the other?
If I add a 3rd bulb to circuit A, what happens to the brightness of the other two?
If I add a 3rd bulb to circuit B, what happens to the brightness of the other two?
23. Drew has to make an electromagnet for science class. What materials would he need to collect?
Name 2 things that Drew could do to make his electromagnet stronger?
What does the passing electrical current through the wire coils do to the iron?
Name 3 household items that have electromagnets in them.
Draw a simple electromagnet design.
24. If I move a wire through a magnetic field, what is the result?
25. Below is a diagram of a simple electric motor. Please explain how an electromagnet and a permanent
magnet function to make an electrical motor. Name 3 things in your house that have an electric motor.
26. Use the Internet to define the term “permanent magnet.” List 3 metals found on the
periodic table that can be used to make a permanent magnet. List 3 common examples of
permanent magnets.