Dr. Stone Ep 9 & 10

A mentalist is considered a ________.

• magician

• fraud

• liar

• none of these

What kind of powers does a mentalist have?

• mental powers

• illusions

• acrobatic powers

• strength

A substance or device which does not readily conduct electricity is what?

• insulator

• conductor

• battery

• lightning rod

What is a conductor?

• is an object or type of material that allows the flow of charge (electric current) in one or more directions

• is an object or type of material that allows the flow of charge (non-electric current) in one or more directions

• is an object or type of material that doesn't allows the flow of charge (electric current) in one or more directions

• is an object or type of material that allows the flow of discharge (electric current) in one or more directions

Copper is a not great conductor of electricity.

• True

• False

Dr. _____ Wasilewski a NASA scientist made strong magnets by having lightning hit certain minerals.

A lightning rod is a ​ (a)   rod or wire fixed to an exposed part of a ​ (b)   or other tall structures to divert ​ (c)   harmlessly into the ​ (d)   .

• metal
• building
• lightning
• ground

Tags

NGSS.MS-ETS1-3

The lightning ​ (a)   is designed to ​ (b)   a house or building from a direct lightning ​ (c)   , particularly a lightning-initiated ​ (d)   .

• rod
• protect
• strike
• fire

Tags

NGSS.MS-ETS1-1

Corundum is the second strongest mineral.

• true

• false

______ the only mineral that is stronger than corundum.