Download Red-Electrostatics Protons have what type of charge? Electrons

Red-Electrostatics
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Protons have what type of charge?
Electrons have what type of charge?
Like charges ______, and unlike charges _____.
According to Coulomb’s Law, as the distance between two charges is halved, the electric force is
_______.
Is electric force a vector or scalar quantity?
Which force is stronger; electrostatic force or gravitational force?
What is the SI unit for charge?
What is the SI unit for electric potential difference?
What is the SI unit for electric field strength?
What is the name of the device used to detect electric charges?
What is the name of the device used to store electric charges?
Touching an object to Earth to eliminate excess charge is called what?
Charging an object due to direct contact between the objects is called charging by _____.
Charging an object without any direct contact between objects is called charging by _____.
A charged balloon will stick to a wall due to ____of charges.
A negatively charged balloon attracts another balloon. What conclusion can be drawn about the
2nd balloon?
A material that allows electrons to flow freely throughout the material is called a _____.
What is the current through a wire if 120 coulombs of charge pass through the wire in 1.0
minute?
A force of 14 N exists on a charge which is 2.1 x 10-9 C. What is the magnitude of the electric
field?
A proton and electron are held 1 m apart and then released. What happens to the force
between them?
Give three examples of static electricity.
What is the magnitude of charge on an electron?
What is the total amount of work required to move a proton through a potential difference of
100. V?
How many electrons must pass a point in 1 second in order to create a current equal to 1 A?
25. Do electric field lines point toward or away from negative charges?
26. A negatively charged can is brought near an aluminum can placed on top of a Styrofoam cup. If
the can is touched by someone while the wand is still held near, what charge will the can
acquire?
27. Name two materials that are good insulators.
28. A plastic tube rubbed with wool will acquire what charge?
29. Lightning forms when the charges within the cloud become separated. In what region of the
cloud are the negative charges located?
30. The electric potential difference between two plates is 70.0 V. The plates are 0.020 m apart.
What is the electric field intensity that exists between them?
Orange-Electricity
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What is the formula for Ohm’s Law?
What is the formula for Electrical Power?
The amount of charge that flows through a circuit is called the _____.
The SI unit for resistance is the _____.
Current is measured with what unit?
A circuit consisting of only what path is what type?
In what type of circuit will all lights go out if one goes out?
What variable is the same everywhere in a parallel circuit?
What variable is the same everywhere in a series circuit?
In what type of circuit is the total resistance smaller than any single resistor in the circuit?
What converts chemcial energy into electrical energy?
What converts mechanical energy into electrical energy?
Name three factors that affect the resistance of a wire.
As temperature increases, resistance _____.
As length increases, resistance _____.
A 100 W light bulb is connected to a 120 V electric line. What is the current that the light bulb
draws?
17. What is the effect on the current in a simple circuit if both the voltage and the resistance are
reduced by half?
18. How much electric energy is delivered to a 60 W light bulb if the bulb is left on for 2.5 hours?
19. What is the equivalent resistance of a 3 ohm, 12 ohm, and 4 ohm resistor wired in parallel?
20. In what type of circuit does the current increase as more devices are added?
21. Name two safety devices used to protect against an overloaded circuit?
22. A lamp is connected to a battery of 50 V, and the current that flows through the circuit is 2 A.
What is the resistance of the lamp?
23. A 2 ohm and 5 ohm resistor are connected in parallel to each other and in series with a 10 V
battery. What is the current through the 5 ohm resistor?
24. Three identical resistors are connected in series to a 9 V battery. What is the voltage drop
across each resistor?
25. A 4 Ω and 2 Ω resistor connected in parallel are connected in series to a 12 V battery. What is
the voltage across the 4 Ω resistor?
26. What device is used to measure the current flowing in a circuit?
27. Nina connects eight 12 ohm lamps in series. What is the total resistance?
28. In circuit 1, two identical light bulbs are connected in parallel to each other and in series
with a 12 V battery. In circuit 2, the same two light bulbs are connected in series with the
12 V battery. Which circuit produces more light?
29. In a parallel circuit, what happens to the current in the remaining bulbs when one bulb is
removed?
30. In a combination circuit, what happens to the current in the bulb that is wired in series if one of
the parallel bulbs is removed?
Yellow- Mechanical Waves
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Can mechanical waves travel through a vacuum?
The number of cycles per time is called what?
Frequency is measured in what units?
The time it takes for one wave to pass a point is called what?
Do waves transfer energy, matter, or both?
Waves are caused by what?
What type of relationship exists between the frequency and the wavelength?
A wave pulse can be sent down a rope by jerking sharply on the free end. If the tension of the
rope is increased, how will it affect the speed of the wave?
A wave reflects off a wall. Which of the following is true of the reflected wave?
A wave that vibrates perpendicular to the direction of the wave motion is what type of wave?
The high region area of a longitudinal wave is called what?
The type of wave produced by two identical waves traveling in the opposite direction.
A(n) ____ is produced during constructive interference of waves.
The portion of a standing wave having no displacement is called what?
The change is direction of a wave caused by the change in speed that results as a wave moves
from one medium to another is called _____.
Waves in a dish are 6.0 cm long and oscillate at a rate of 4.8 oscillations per second. What is
the period of the waves?
What is the speed of a wave having a wavelength of 6.0 cm and a frequency of 4.8?
The bending of a wave around a barrier is called ____.
A wave in which the medium that moves both parallel and perpendicular to the wave motion is
classified as a ____ wave.
____ occurs when an object is set into vibrational motion by another vibrating object.
A wave measures 10 cm from trough to peak. What is the amplitude of the wave?
Green-Sound
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A sound wave is what type of mechanical wave?
A sound wave travels fastest in what state of matter?
What is the speed of sound at 20oC?
Most people can hear frequencies in what range?
A wave above 20,000 Hz is referred to as ____.
As frequency increases, what happens to the pitch?
As the amplitude of the wave increases, what happens to the sound?
A wave faster than the speed of sound is called _____.
Loudness is measured in units called what?
An ambulance approaching an observer will sound_____.
You have a long pipe and short pipe. Which one has the higher pitch?
The change in the perceived frequency of a sound wave due to motion is called _____.
What type of pipe has the higher pitch; a closed or open pipe?
An echo is caused by the ____ of sound waves.
A quiet radio has an intensity level of about 40 dB. Busy street traffic has a level of about 60 dB.
How much greater is the intensity of the street traffic compared to the radio?
A tuning fork with marked frequency 128 Hz has the same pitch as a note produced by blowing
across an open pipe. The pipe is lengthened slightly, and when the two are played together, a
beat frequency of 6 Hz is heard. What is the new frequency of the pipe?
The speed of sound in water is 1500 m/s. A sonar signal is sent straight down from a ship
and returns 2.00 s later. How deep is the water?
An open pipe has fundamental frequency of 100 Hz. What is the frequency of the 2nd and 3rd
harmonics?
A closed pipe has a length of 20 cm. What is the wavelength of the wave produced by the pipe?
A closed pipe has a fundamental frequency of 100 Hz. What is the frequency of the 3rd
harmonic?
Does sound travel faster in warm or cold air?
Blue-Electromagnetic Waves
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What is the speed of all electromagnetic waves?
Are electromagnetic waves transverse or longitudinal?
What type of electromagnetic wave has the shortest wavelength?
What type of electromagnetic wave has the highest energy?
What type of electromagnetic wave has the highest frequency?
Can an electromagnetic wave travel through a vacuum?
Do electromagnetic waves travel faster through a gas, liquid, or solid?
Will Stars moving away from the earth appear red or blue?
State the law of reflection.
Give an example of a situation in which a light wave is refracted.
List the colors of the visible spectrum in order from longest wavelength to shortest.
What type of electromagnetic wave is used with cellphones?
Which type of electromagnetic wave causes sunburns?
How far can light travel in 10 seconds?
A radio wave has a frequency of 10 MHz. What is the frequency of the wave?
Purple- Light
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What determines the color of light?
What color of light has the shortest wavelength?
What are the three primary colors of light?
What are the three secondary colors of light?
What is the complementary color of cyan?
What is complementary color of yellow?
What is complementary color of magenta?
A magenta shirt appears black under what color of light?
A stick appears bent in water because the light is ____.
Light strikes a mirror at a 40o angle with the normal. What is the angle between the reflected
light and the surface of the mirror?
A partial shadow is called what?
Objects that produce their own light are called what?
Objects that reflect light are ____.
Materials that allow all light to pass through are called ____.
Materials that transmit only a portion of the light are called ____.
An object is yellow. What light is being reflected?
A paper is a certain distance away from a light source. If you double the distance of the paper
from the light source, what happens to the illumination produced by the light at the paper’s new
position?
Light reflected off the surface of a lake is polarized in what direction?
What is the frequency of 404 nm of light?
Is the moon luminous or illuminated?
Give one example of the subtractive process of making light.
When yellow pigment is mixed with blue pigment, what color results?
When green light is mixed with red light, what color results?
In what direction are lenses polarized in 3D glasses?
Specialty cards
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Name the three types of radioactive decay.
Which type of radioactive decay consists of two protons and 2 neutrons?
Which type of radioactive decay consists of one electron emitted from the nucleus?
Which type of decay has the greatest penetrating ability?
Which type of decay has the least penetrating ability?
What isotope forms from the alpha decay of uranium-238?
What isotope forms from the beta decay of lead-212?
You have 16 kg of a radioactive sample with a certain half-life of 30 years. How much is left
after 90 years?
9. You have 12 kg of a radioactive substance. Ten years later you find that you only have 3 kg left.
Find the half-life of the material.
10. Which has greater mass; a helium nucleus or 2 protons and 2 neutrons?