Evaluation Magnetism and Electric Current

2. Which elements are ferromagnetic? Choose all that apply

• cobalt
• nickel
• iron
• aluminum
• copper

3. What is the name of this devise?

• electromagnet
• transformer
• generator
• electric motor

4. A table comparing four metals is provided. A sample of an unknown metal that is gray, magnetic, and a good conductor of electricity could most correctly be identified as–

• Iron
• Copper
• Aluminum
• Nickel

5. Magnetic fields and electric fields are identical in that they both:

• require a medium to travel from place to place.
• influence nonmetals the same as metals.
• are capable of exerting force at a distance.
• increase in strength with distance from source.

6. What is the kinetic energy (mechanical) of the magnet being converted into?

• Gravitational Potential Energy
• Chemical Energy
• Nuclear Energy
• Electrical Energy

7. A _____________ called the Carrington Event occurred in 1854. It was caused by a CME hitting the Earth.

• magnetic flare
• geomagnetic storm
• solar ejection
• coronal mass wind

8. These two magnets are _________ each other.

• attracting
• repelling
• not interacting with

9. These two magnets are _____ each other.

• attracting
• repelling
• not interacting with

10. According to this diagram, which color is the north pole?

• blue
• red
• the white thing in the middle

13. Study the GIF image. What type of electrical current is being generated?

• alternating current
• direct current
• reversal current
• reflective current