Electrostatics

Electric charges that are alike _______ each other.

• Attract
• Repel

Tags

NGSS.HS-PS2-4

What is the SI unit used to measure force? 

• pounds 
• grams 
• newtons 
• friction

The SI unit of charge is

• the ampere
• the newton
• the coulomb
• the joule

Tags

NGSS.HS-PS2-4

When a silver atom looses an electron, its net charge (in coulombs) is

• +1

• -1

• +1,6 x 10^-19

• -1,6 x 10^-19

Tags

NGSS.HS-PS2-4

The charge of an electron is 

• positive. 
• negative. 
• Electrons have no charge

Tags

NGSS.HS-PS2-4

An atom loses an electron.  What type of charge does it have now?

• positive
• negative

Tags

NGSS.HS-PS1-2

When an object gains electrons it becomes __________

• Neutral

• Positively charged

• Negatively charged

Tags

NGSS.MS-PS2-3

An atom of oxygen has 8 protons and 10 electrons, this means the atom is ____________

• positively charged because it has excess electrons

• negatively charged because it has excess electrons

• positively charged because it has a deficiency of electrons

• negatively charged because it has a deficiency of electrons

Tags

NGSS.MS-PS1-1

What is the end result of charging by contact?

• Both object have the same charge, so they will attract one another

• Both object have the same charge, so they will repel one another

• Both object have the opposite charge, so they will attract one another

• Both object have the opposite charge, so they will repel one another

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

If two balloons have the same charge, what will happen if you place them close to each other?

• Nothing
• They will be attracted
• They will pop
• They will push each other away.

Tags

NGSS.HS-PS2-4