Electricity Revision

What is the purpose of having a battery in the electrical circuit?

• It is an energy source.

• It contains chemicals.

• It has both the positive and negative terminals

Study the circuit diagram below.

Which of the following will make each bulb in the circuit less bright?

• Removing one bulb from the circuit

• Adding one bulb in the circuit

• Adding one battery in the circuit

When placed in a closed circuit, which of the following objects will cause the bulb to light up?

A: Copper wire 

B: Plastic ruler
C: Wooden chopsticks   

D: Iron nail

• A and B only
• C and D only
• A and D only 

A battery has 2 ends called __________ and ___________ end.

• north, south

• open, close

• positive, negative

Which of these is NOT a part of the bulb?

• metal filament

• metal tip

• copper connector

The diagrams below show 4 electrical circuits. The battery and bulb used in each circuit are identical and in working condition. In which one of the circuits will the bulb light up?

• Option 1

• Option 2

• Option 3

• Option 4

Tags

NGSS.MS-PS2-3

Which of these objects can electricity pass through it?

• Eraser

• Glass Marble

• Paper clip

Objects that allow electricity to pass through them are called _______________.

• Electrical Conductors

• Electrical Insulators

• Electrical Symbols

Objects that do not allow electricity to pass through them are called _______________.

• Electrical Conductors

• Electrical Insulators

• Electrical Symbols

The symbol shows a _____.

• switch

• bulb

• battery