Electric Current

What are insulators?

• materials that let electrical current to flow freely through it

• materials that do not let electrical current to flow freely through it

• materials that cannot be heated

• materials that take shorter time to be heated

Tags

NGSS.MS-PS2-3

What are some examples of insulators?

• rubber

• wood

• iron

• plastic

Tags

NGSS.MS-PS3-3

What are some examples of static electricity?

• when you get a shock from touching someone

• a lit lamp

• a running remote control car

• a bolt of lightning

What are needed to make a complete closed circuit?

• buzzer, bulb, switch

• battery, buzzer, bulb

• battery, bulb, wires

• switch, bulb, wires, buzzer

Tags

NGSS.MS-ETS1-1

Electricity happens when ... move from one place to another.

• battery

• light

• electrons

• electromagnet

What is an electron?

• the negatively charged particles in an atom

• electricity that creates magnet

• particles in atom with a charge of positive electricity

• a type of insulator

What is a battery?

• a power source that gives out electricity

• a device for making and breaking the connection in an electric circuit

• a flexible metal thread to connect parts of an electric circuit

• a beeper or an audio signaling device

What are some examples of conductors?

• gold

• copper

• iron

• rubber

How do electrons move in an electric circuit?

• from positive terminal to negative terminal

• from negative terminal to positive terminal

• from positive terminal to positive terminal

• from negative terminal to negative terminal

What will happen to the light bulb if we open the switch in a closed circuit?

• it will be broken

• it will turn off

• it will turn on

• it will make sound