Electricity (Grade 4)

Atoms usually have the ............. number of positive(+) and negative(-) particles.

• same

• different

Static electricity happens when positive and negative charges .......................

• balanced

• no longer balance

Static means not moving but the static electricity does move (attract and repel).

• true

• false

................. an electric charge in motion.

• Electric current

• static

An electric current flows .........................from one place to another.

• slowly

• gradually

• quickly and invisibly

Atoms with opposite charges will ..........................

• attract

• repel

Atoms with the same charges will ...............

• repel

• attract

........................ is the tiny building blocks of everything.

• element

• Atom

• electrons

• ball

Atom has different charged particles they are ................................

• no charge only

• negative charges only

• positive charges only

• positive, negative and no charge particles

A/an _________________ is an object that will allow electricity to flow through it.

• insulator
• conductor