Electric Charge and Current

What are some examples of conductors?

• gold

• copper

• iron

• rubber

Tags

NGSS.MS-PS2-3

Electrons have ____________ charge.

• positive

• negative

• neutral

• equal

Tags

NGSS.MS-PS2-3

Objects becomes electrically charged when:

• neutrons move

• protons move

• electrons move

• all of the above

When objects lose their electrons, they become:

• positively charged

• negatively charged

• electrically charged

• neutrally charged

Tags

NGSS.MS-PS2-3

When objects lose their unbalanced charge, it is called an electric ______________.

• charge

• current

• discharge

• shortage

If one object is positively charged and the other is negatively charged, what will happen?

• nothing will happen

• they will repel each other

• they will attract each other

• they will push each other away

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The invisible region that applies an electric force around a charged object is called an electric _________.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Protons have​ (a)   electrical charge; electrons have ​ (b)   electrical charge. Opposite charges​ (c)   , and like charges​ (d)   . Charging by ​ (e)   is the rearrangement of electrons on a neutral object caused by a nearby charged object.

• negative

• positive

• attract

• repel

• induction

• conduction

• protons

• conductor

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

​ are materials that do not allow electric current to pass through easily. ​ is the accumulation of electrical charges on an object. Current is usually the flow of​ . Charges flow from ​ voltage to ​ voltage.

• insulators

• static electricity

• electrons

• high

• low

• neutrons

• conductors

• voltage

The tendency for a material to oppose the flow of electrons is called​ (a)   . Making wires thinner, longer, or hotter ​ (b)   the resistance.

• resistance

• increases

• decreases

• conductor

• induction