Electricity and Magnetism test

Electric charges move at __________ rates through different materials.

• identical

• different

• faster

• slower

Neutral objects become electrically charged when they gain or lose gain or lose ______________

• protons

• neutrons

• electrons

What do you call materials through which electric charge moves easily?

• electric insulators

• metals

• poor insulators

• electric conductors

An object that gains electrons becomes __________ charged.

• negatively

• positively

• neutrally

• under

Tags

NGSS.MS-PS2-3

The electric force between two charged objects depends on the __________ of charge on the objects.

• type

• difference

• strength

• amount

Tags

NGSS.MS-PS2-3

Atoms that have a greater number of electrons have a _______________ charge.

• positively

• negatively

• neutrally

Scientists know that there is a(n) ___________ region around charged objects that apply an electric force.

• invisible

• electric

• visible

• indivisible

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Name the negatively charged particle that moves around the nucleus of an atom

• proton

• neutron

• electron

• positron

______________ is the loss of unbalanced electric charge by an object.

• static discharge

• honorable discharge

• automatic discharge

• electric discharge

What do you call the force an electric field applies to another charged object?

• electric charge

• electric force

• magnetic force

• the Force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5