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Year 6 Unit 1.1 Review Questions

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Year 6 Science Chapter 1 – Energy and Forces Year 6 Unit 1.1 Review Questions

There are 25 multiple choice questions that need to be answered. Please read each question carefully and provide the correct answer.

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Question 1 of 25
1. Question
What type of energy transformation occurs when you use an iron to press your clothes?
- Converting Electricity to Heat Energy
- Converting electricity into kinetic energy.
- Converting electricity into light energy.
- Converting electricity into sound energy.
Question 2 of 25
2. Question
An electric train transforms electricity into ___________ energy.
- heat
- movement
- light
- sound
Question 3 of 25
3. Question
Electricity is transported over long distances through ____________ before it reaches homes and factories.
- vertical lines
- parallel lines
- spiral line
- power lines
Question 4 of 25
4. Question
The power stations in Brunei Darussalam utilise __________ as a means of generating electricity.
- nuclear
- water
- natural gas
- wind
Question 5 of 25
5. Question
An electric cell is a device that produces electricity from ____________ stored within it.
- chemicals
- water
- sugar
- air
Question 6 of 25
6. Question
Why are dry cells appropriate for use in small devices such as radios and toys?
- Dry cells come in different sizes
- Dry cells are colourful
- Dry cells are compact and have a longer lifespan.
- Dry cells can be obtained easily in shops
Question 7 of 25
7. Question
What energy changes occur inside a solar cell when it generates electricity?
- The sun's heat energy is converted into electrical energy.
- The sun's light energy transforms into electrical energy.
- The sun's heat energy is converted into movement energy.
- The energy from the sun is transformed into heat energy.
Question 8 of 25
8. Question
Why don’t solar cells work in the dark?
- Due to absence of air circulation in the dark
- Due to absence of water
- Due to the absence of sunlight.
- Due to solar cell refuse to work in the dark
Question 9 of 25
9. Question
Why are solar panels commonly placed on the rooftops of houses?
- It enhances the aesthetics of the house.
- The location is ideal for capturing sunlight.
- They are effective in reducing noise caused by rainfall.
- They protect the house from heat.
Question 10 of 25
10. Question
An electric cell is a device that converts stored chemical energy into electrical energy.
- electrical
- sound
- movement
- light
Question 11 of 25
11. Question
Which of these actions does not conserve electricity?
- Using a fan as an alternative to an air conditioner.
- Turn off lights and open curtains during the day.
- Switch off the lights and fan when leaving a house.
- Purchase dry cells from stores
Question 12 of 25
12. Question
What does the + symbol on a battery mean?
- It indicates that a wire may only be connected at that end.
- It indicates a negative terminal
- The electricity supply is strong at that end.
- It indicates a positive terminal
Question 13 of 25
13. Question
Which of the following statements is false regarding circuit A?
- It is a complete circuit
- If the wire connection becomes loose, the bull lights will turn off.
- The flow of electricity begins at the positive terminal and moves through the wire towards the bulb, eventually making its way back to the negative terminal.
- The flow of electricity begins at the negative terminal along the wire, then moves to the bulb, and finally returns to the positive terminal.
Question 14 of 25
14. Question
Could you clarify what symbol B represents?
- B represents a switch
- B represents a dry cell
- B represents a light bulb
- B represents a connecting wire
Question 15 of 25
15. Question
Which of the following actions will save electricity?
- Turning on the air conditioner at a very low temperature.
- Turning off lights and opening curtains during the day.
- Turning on fans when leaving a house.
- Turning on a television while cooking in a kitchen.
Question 16 of 25
16. Question
Please indicate the statement that is false regarding circuit diagram B:
- It uses one dry cell.
- The switch is in the "ON" position.
- Two light bulbs are connected in series.
- If one bulb becomes non-functional, the other bulb will still emit light.
Question 17 of 25
17. Question
Please study circuit diagrams M and N. Which of the following statements is true about M and N?
- The brightness of the bulbs in M and N is the same.
- The bulbs in M are brighter than the bulb in N.
- The bulb in N is brighter than the bulbs in M.
- The bulbs in M light up, but the bulb in N does not.
Question 18 of 25
18. Question
Please review circuit diagrams P, Q, R, and S and identify which two circuits have bulbs with the same brightness.
- P and Q
- P and R
- Q and R
- R and S
Question 19 of 25
19. Question
Which of the following is a conductor of electricity?
- Copper
- Plastic
- Wood
- Ceramic
Question 20 of 25
20. Question
Ali discovered an object in his garden and wanted to determine its conductivity. He conducted an experiment using the circuit shown below and observed that the object did not light the bulb. Based on this observation, the correct conclusion would be:
- The object is made of steel
- The object is made of iron
- The object is made of non-metal
- The object is made of silver
Question 21 of 25
21. Question
Why are children not allowed to play with kites near power lines?
- The kite may get caught in the power lines and be difficult to retrieve.
- The kite may get caught in the power lines and the children may be electrocuted.
- The kite may get caught in the power lines and become damaged by burning.
- There is no wind near the power lines.
Question 22 of 25
22. Question
Why people are advise not to put too many plugs into a socket. This is because ______________
- the socket becomes crowded
- the socket becomes too heavy to carry
- the wire get overload and starts a fire hazard
- the socket gets entangle by the wires
Question 23 of 25
23. Question
What does the symbol below signify?
- wires
- open switch
- closed switch
- dry cell
Question 24 of 25
24. Question
Which of the following options is considered a clean source of electricity?
- Coal-fired power station
- Nuclear power station
- Hydropower station
- Natural gas power station
Question 25 of 25
25. Question
Please select the answer that correctly identifies a source of electricity that will never run out of fuel:
- Coal-fired power station
- Nuclear power station
- Solar power station
- Natural gas power station

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