Physics electrostatics

transferring electric charge by actual contact is

• reflection
• absorption
• refraction
• conduction

transferring electric charge without contact is

• conduction
• induction
• radiation
• insulation

Tags

NGSS.MS-PS2-5

a device used to detect static charge is called a(n)

• magnetometer
• electroscope
• barometer
• seismograph

When a negatively charged rod touches the knob of a neutral electroscope ____ charges ____ the electroscope and the scope becomes ____ charged

• positively; transfer to; positively
• positively; transfer from; negatively
• negatively; transfer to; negatively
• negatively; transfer from; positively

when an electroscope has a negative charge ____ spread over the interior surface because it is a ____ and the leaves ____ because they have ___ charges

• electrons; conductor; repel; like
• electrons; insulator; attract; like
• neutrons; semiconductor; attract; opposite
• protons; insulator; attract; opposite

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

if an electroscope is positively charged, the leaves become ______ eachother

• positively charged and will move away from

• negatively charged and will move towards
• neutral and will not move
• positively charged and will move towards

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

coulomb's law describes the ___ between two charged objects

• distance
• force
• charge

• temperature

Tags

NGSS.MS-PS2-3

both ____ and ___ determine the strength of an electrical force

• temperature of the charges and speed of the charges
• color of the charges and size of the charges
• amount of charge and distance between the charges
• shape of the charges and material of the charges

Tags

NGSS.MS-PS2-3

If the distance between two charged particles is doubled, then the force between them is ___

• doubled
• tripled
• cut to 1/2

• cut to 1/4

Tags

NGSS.MS-PS2-3

If the distance between two charged particles is doubled, then the force between them is ___

• doubled
• cut to 1/9

• cut to 1/3

• tripled

Tags

NGSS.MS-PS2-3