​Match Each Item with the Correct Statement Below

question 5

Multiple Choice

​Match each item with the correct statement below.
-consists of charges flowing back and forth

• A)​AC
• B)​attract
• C)​critical temperature
• D)​electric current
• E)​DC
• F)​electric field
• G)​negative ion
• H)​positive ion
• I)​repel
• J)​resistance
• K)​semiconductor
• L)​transformer
• M)​superconductor
• N)​voltage
• O)​electric charge
• P)​ohmic heating

---

Definitions:

Specific Gravity

The ratio of the density of a substance to the density of freshwater.

Effervescence

The rapid escape of gas from a liquid in which it is dissolved, often observed as bubbles or fizz.

Streak Plate

A laboratory method used to identify the color of a mineral in powdered form by rubbing it on a porcelain tile.

Magnetic

Pertaining to or exhibiting magnetism; having the ability to attract iron and certain other materials.