ELECTRICITY

ELECTRICITY

SCIENCE YEAR 5

Prepared by:

Science teacher

SKBBD

Multiple Choice

When the number of bulbs increase the brightness of the bulbs in a parallel circuit ____________________

Choose the correct answer to fill in the blank.

• will be brighter.

• will be less brighter.

• will not change.

• will affect on the circuit.

Multiple Select

An experiment was conducted by the pupils of 5 Nermai. The pupils decreased the number of dry cell in their parallel circuit.

Which of the following statements are true?

( You can choose more than one )

• The amount of the electrical energy will decrease.

• The brightness of the bulbs will decrease.

• Nothing happens cause dry cell does not give any impact to the circuit.

• The brightness of the bulbs will increase.

Multiple Choice

A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?

• Light bulb 1 and light bulb 2 will both be on

• Light bulb 1 will be off, but light bulb 2 will be on

• Light bulb 1 and light bulb 2 will both be off

• Light bulb 1 will be on, but light bulb 2 will be off

Multiple Choice

The diagram shows an electric circuit with four bells that a student plans to build. When the student connects the wire as shown, which of the bells will ring?

• Bell 1 only

• Bells 1 and 4 only

• Bells 3 and 4 only

• Bells 1, 2, 3, and 4

Multiple Choice

Students constructed a circuit using different-colored lightbulbs. What will happen if Switch 3 is closed and the other switches are left open?

• Only the white bulb will operate

• None of the bulbs will operate

• Only the white and yellow bulbs will operate

• Only the red and blue bulbs will operate

Multiple Choice

What will happen if we put more dry cells to the parallel circuit?

• Nothing happens, everything remains the same.

• The brightness of the bulbs will increase.

• The brightness of the bulbs will decrease.

• The bulb explodes.

Multiple Choice

The brightness of the bulbs in a series circuit will _________________ if the number of bulbs increase.

• increase

• no changes

• increases and decreases

• decrease