Electric Circuit For Primary 4

Battery usually called…

• cell

• buzzer

• simple motor

• bulb

Parts of bulb that have to connect to the end of battery are ...

• Metal tip and metal casing

• Metal wires and metal tip

• Metal casing and metal filament

• Metal wires and metal filament

Which of the bulb will light up?

• 
• 
• 
• 

The battery, bulb, and wire form a path for the electric current flow through the path is called…

• Electric component

• Electric current

• Electric circuit

• Electric socket

The bulb cannot light up when the circuit is...

• Open

• Close

predict will it light up?

• off course

• absolutely no

Tags

NGSS.MS-PS3-5

The true statement about open switch is…

• There is no gap

• Electric current flows through the electric circuit

• The bulb lights up

• No electric current flows through the electric circuit

More batteries will make the bulb?

• Long lasting

• dimmer

• bright

• nothing change

Tags

NGSS.4-PS3-2

NGSS.4-PS3-4

Why this bulb dimmer?

• More bulb

• more battery

• more electrical current flows

• no electric circuit flows

Tags

NGSS.MS-PS3-5

After connecting the electric current to the buzzer will produce…

• light

• sound

• movement

• heat

Tags

NGSS.MS-PS4-1