Latihan Ulangan Science Part A and B

What provides energy for simple circuits (battery or d-cell)?

• conductor

• insulator

• path

• source

Look at the characteristic below:

- There is no gap or break in the electric circuit.

- Electric current flows through the electric circuit.

-The bulbs lights up.

From the characteristics we know that the switch is ....

• open

• closed

• not connected

• related

A circuit that forms a complete pathway. There are no breaks in its path.

• closed circuit

• conductor

• open circuit

• insulator

The larger the electric current, the ... the bulb.

• brighter

• dimmer

• darker

• weaker

There is a gap or break in the circuit is called ....

• open circuit

• close circuit

• conductor

• insulator

A path along which electric charges can flow.

• switch

• path

• circuit

• conductor

A ... controls the flow of charges by opening and closing the circuit.

• switch

• path

• insulator

• conductor

What needs to be done to this circuit so that the lamp lights up?

• Close the switch

• Add a source and close the switch

• Add another lamp

• Add another lamp and a switch

Which switch or switches must be closed to make the lamps light?

• Only switch a

• Only switch b

• Switches a and b

• Switches a, b, and c

Which switch or switches must be closed to make the lamps B light?

• Only switch a

• Only switch b

• Switches a and b

• Switches a, b and c