1. What is the source of all electrical charge in matter?

(Standard SP5c)

a. Protons

b. Neutrons

c. Electrons

d. Protons and Electrons

e. Protons and Neutrons

f. Neutrons and Electrons

2. Which of the following forces is electric force most similar to?

(Standard SP5a)

a. Gravity

b. Friction

c. Applied

d. Normal

3. describe the the difference in the general atomic structure between conductors and insulators

(Standard SP5b)

4. Which of the following is the method of charging by direct contact between charged objects?

(Standard SP5c)

a. Friction

b. Convection

c. Conduction

d. Induction

5. The difference in electric potential energy that determines the direction towards which charges will move is called what?

(Standard SP5c)

a. Voltage

b. Current

c. Resistance

6. What is the main difference between friction and resistance?

(Standard SP5d)

a. Resistance produces heat, which isn't produced by friction b. Friction is not controllable, while resistance is c. Resistance cannot slow things down, but friction can d. Resistance is friction, but it mainly deals with the frictional force on charges specifically

7. Contrast series and parallel circuits in terms of what they look like and how they calculate Equivalent resistance

(Standard SP5d)

8.Which of the following describes the similarities between electric and magnetic fields?

(Standard SP5e) a. Both are contact only forces

b. Both have two different polarities that attract when they are opposite and repel when they are the same

c. Both are used to generate friction on other objects

d. Both are produced by the charges of subatomic particles

9. A wire is run through a large piece of paper, forming a perpendicular angle with the paper. A bunch of magnetically sensitive iron shavings are spread across the paper and a current is run through the wire. Which of the following would be the most accurate description of what would happen?

(Standard SP5e)

a. The filings would shape themselves into a square shape around the wire, each corner of the square perpendicular to the central wire b. The filings would form parallel lines across the paper, each one forming a perpendicular angle with the central wire c. The filings would shape themselves into a circular shape around the wire, the direction rotating based on the direction of the flow of current d. The filings would all be attracted magnetically towards the wire and will all be pulled into a central mass in close proximity to the wire and will leave the outer part of the sheet of paper bare

10. A coil of wire that mimics the magnetic field produced by a natural bar magnet when a current runs through it is called a what?

(Standard SP5e)

a. Capacitor b. Solenoid c. Inductor d. Resistor

11. Which of the following mathematical relationships correctly describes the calculation of frequency, f?

(Standard SP4a)

a. v/ b. m*a c. 1/T d. m*v

12. When two waves come toward one another, they will interfere. Under which circumstances will the maximum constructive interference occur?

(Standard SP4b)

a. A crest of 10 m interfering with a crest of 10 m

b. A crest of 5 m interfering with a crest of 2 m

c. A crest of 7 m interfering with a trough of 5 m

d. A crest of 10 m interfering with a trough of 10 m

13. How do you calculate the velocity of light?

(Standard SP4a)

a. You multiply the frequency by the wavelength b. You divide the distance by the time c. You divide the momentum by the mass d. You don't. The velocity of light is always a constant value of 3 x 10^8 m/

14. A water wave approaches a wall with a small hole in it. The wave is blocked by the wall, except the part that goes through the hole. The waves coming out of the hole begin to spread out as the new source of wavefronts. This is an example of what property?

(Standard SP4b)

a. Interference

b. Amplitude

c. Collision

d. Diffraction

15. Explain how the red-shift phenomena (the Doppler Shifting of the visible light of a star towards the color red) of almost all stars in the universe relative to the Earth helps scientists determine if the universe is expanding or contracting?

(Standard SP4c)

16. Which of the following is a property that makes light unique compared to all other waves

a. Light can travel without a medium b. Light is propagated by the interaction of electric and magnetic fields c. Light travels at a constant speed at all times d. All of the above

17. Which of the following is the correct explanation for why Photoelectric Effect explains the unique absorption spectra of all elements?

(Standard SP4d)

a. The Photoelectric Effect proved that electrons absorb the energy of light and add it to their own kinetic energy

b. The Photoelectric Effect proved that the electrons of different elements only absorb specific frequencies of light

c. The Photoelectric Effect proved that the electrons are the subatomic particles that are able to absorb different colors of light

d. The Photoelectric Effect proved that the nuclei of atoms do not play a role in the absorption/emission of specific frequencies

18. Which of the following forces is the reason why a nucleus ends up becoming radioactive as it gets larger?

(Standard SP6b)

a. Strong Force b. Weak Force c. Electromagnetic Force d. Gravity

19. A radioactive sample of Iridum-179 (atomic number: 77) undergoes the the following decay processes in the following order: Alpha decay, Beta + decay, Beta + decay, Gamma Decay, Alpha decay and Beta - decay.

Which of the following would be the resultant nuclide after all decay processes have finished?

(Standard SP6b)

a. Osmium-191 (atomic number: 76) b. Gold-192 (atomic number: 79) c. Tungsten-179 (atomic number: 74) d. Halfium-189 (atomic number: 72)

20. Using the equation () Calculate the amount left of a radioactive sample amount N0 if the deacy constant is 0.00125 seconds and the time is 180 seconds? (Hint: Your answer will not be a number. Instead, it will be a decimal or percent of the variable N0)

Answer:

(Standard SP6c)