Instrukcije

HeadStart Primary

Science

Year 6 Topic Test

Electricity

2

Circuit design
Above is a partially completed circuit diagram.
Complete the following:
Complete the circuit diagram by inserting the correct symbols for a cell and a bulb.

1

What could be added to the circuit to enable the bulb to be turned on or off?

1

If a buzzer was added to the circuit, what would happen to the brightness of the bulb?

It would become dimmer.

It would become brighter.

1

Explain your answer to c.

1

Does circuit A or B have the brightest bulb?

A

B

1

Explain your answer.

1

The bulb in the circuit pictured below will not light up. Explain why not.

1

Circuit diagrams
switch
bulbs
cells
buzzer
Circuit Diagrams
Diagram 1
Diagram 2
Diagram 3
Diagram 4
Complete the following about the circuit diagrams 1 to 4:
Which diagram shows the circuit at the top? .................
For the other three circuits, complete the table by writing the number in the first column and the reason it doesn’t match the circuit picture in the second column.
circuit diagram number
Why doesn’t it match?

Achmed investigates the conductivity of materials. He cuts each material he is testing to the same size and puts it in the circuit above in the same way.

1

If the material is a conductor, what will happen to the bulb?
..............................................................................................................
..............................................................................................................

1

Achmed tested different materials. What did he do to make sure his test was a fair test?
..............................................................................................................
..............................................................................................................

1

Megan wants to test some materials to see if they will conduct electricity. She makes the circuit shown in the diagram above. The bulb does not light for any of the materials. What is missing from Megan’s circuit?

1

Carlos has made a circuit with a buzzer, but the buzzer sounds constantly. He needs the buzzer to sound only when he wants it to. What does he need to add to the circuit?

6. Symbols and safety

Danger

Name these components:

1

Name this component:

1

Write true or false next to each of the following statements:

It is safe to play with a kite by overhead power cables.
An electric shock can burn our skin and muscles.
It is safe to use a hairdryer with wet hands.
Tree trunks and branches can conduct electricity.

1

If one bulb was removed from the circuit, what would happen to the other two bulbs?

1

If Olivia removed the switch and reconnected the wire so that the circuit was still complete, what would happen to the bulbs and buzzer? Circle your answer.

They would stop working.

They would be on constantly.

The buzzer would stop working, but the bulbs would be lit.

Year 6 Science Topic Test: Electricity

Year 6 have been making the circuit diagrams above. They pass the diagrams to their friends to make up the real circuits. In each of the circuits, their friends are unable to make a bulb light up.

Explain what is wrong in each circuit. One has been done for you:

1

a. There isn’t a bulb.

1

b. .........................................................................................................................

1

c. .........................................................................................................................

1

d. .........................................................................................................................

9. Testing wire length

Diagram of a curved road or path.

Archie wanted to investigate the following hypothesis:

The shorter the wire in an electrical circuit, the greater the flow of electricity.

He decided to conduct his investigation by examining how the length of wire in a circuit affects the brightness of a bulb. He tested five different wire lengths.

1

What would Archie need to do to ensure his investigation was fair? Circle your answer.

Only change the length of wire.

Change the length and thickness of wire.

Change the cell and bulb.

1

Science - Year 6 Topic Test: Electricity

HeadStart Primary

Science

Year 6 Topic Test

Electricity

Science - Year 6 Topic Test: Electricity

HeadStart Primary

Science

Year 6 Topic Test

Electricity

Circuit designAbove is a partially completed circuit diagram.Complete the following:Complete the circuit diagram by inserting the correct symbols for a cell and a bulb.

Circuit designAbove is a partially completed circuit diagram.

Complete the following:

What could be added to the circuit to enable the bulb to be turned on or off?

If a buzzer was added to the circuit, what would happen to the brightness of the bulb?

Explain your answer to c.

Does circuit A or B have the brightest bulb?

Explain your answer.

The bulb in the circuit pictured below will not light up. Explain why not.

Circuit diagrams

If the material is a conductor, what will happen to the bulb?............................................................................................................................................................................................................................

Megan wants to test some materials to see if they will conduct electricity. She makes the circuit shown in the diagram above. The bulb does not light for any of the materials. What is missing from Megan’s circuit?

Carlos has made a circuit with a buzzer, but the buzzer sounds constantly. He needs the buzzer to sound only when he wants it to. What does he need to add to the circuit?

6. Symbols and safety

Name these components:

Name this component:

Write true or false next to each of the following statements:

If one bulb was removed from the circuit, what would happen to the other two bulbs?

If Olivia removed the switch and reconnected the wire so that the circuit was still complete, what would happen to the bulbs and buzzer? Circle your answer.

a. There isn’t a bulb.

b. .........................................................................................................................

c. .........................................................................................................................

d. .........................................................................................................................

9. Testing wire length

What would Archie need to do to ensure his investigation was fair? Circle your answer.

Circuit designAbove is a partially completed circuit diagram.Complete the following:Complete the circuit diagram by inserting the correct symbols for a cell and a bulb.

Circuit designAbove is a partially completed circuit diagram.

Complete the following:

What could be added to the circuit to enable the bulb to be turned on or off?

If a buzzer was added to the circuit, what would happen to the brightness of the bulb?

Explain your answer to c.

Does circuit A or B have the brightest bulb?

Explain your answer.

The bulb in the circuit pictured below will not light up. Explain why not.

Circuit diagrams

If the material is a conductor, what will happen to the bulb?............................................................................................................................................................................................................................

Megan wants to test some materials to see if they will conduct electricity. She makes the circuit shown in the diagram above. The bulb does not light for any of the materials. What is missing from Megan’s circuit?

Carlos has made a circuit with a buzzer, but the buzzer sounds constantly. He needs the buzzer to sound only when he wants it to. What does he need to add to the circuit?

6. Symbols and safety

Name these components:

Name this component:

Name this component:

Name this component:

Write true or false next to each of the following statements:

It is safe to play with a kite by overhead power cables.

An electric shock can burn our skin and muscles.

It is safe to use a hairdryer with wet hands.

Tree trunks and branches can conduct electricity.

If one bulb was removed from the circuit, what would happen to the other two bulbs?

If Olivia removed the switch and reconnected the wire so that the circuit was still complete, what would happen to the bulbs and buzzer? Circle your answer.

a. There isn’t a bulb.

b. .........................................................................................................................

c. .........................................................................................................................

d. .........................................................................................................................

9. Testing wire length

What would Archie need to do to ensure his investigation was fair? Circle your answer.

Archie's investigation supported his hypothesis. Circle the length of wire which would have given the brightest bulb.

Name this component:

Name this component:

It is safe to play with a kite by overhead power cables.

An electric shock can burn our skin and muscles.

It is safe to use a hairdryer with wet hands.

Tree trunks and branches can conduct electricity.

Archie's investigation supported his hypothesis. Circle the length of wire which would have given the brightest bulb.

Circuit design
Above is a partially completed circuit diagram.
Complete the following:
Complete the circuit diagram by inserting the correct symbols for a cell and a bulb.

Circuit design
Above is a partially completed circuit diagram.

If the material is a conductor, what will happen to the bulb?
..............................................................................................................
..............................................................................................................

Circuit design
Above is a partially completed circuit diagram.
Complete the following:
Complete the circuit diagram by inserting the correct symbols for a cell and a bulb.

Circuit design
Above is a partially completed circuit diagram.

If the material is a conductor, what will happen to the bulb?
..............................................................................................................
..............................................................................................................