Electric Personalities Science - Year 3/4B Summer 2 Electricity Electric Personalities Session 6 Quiz Answers PowerPoint © Original resource copyright Hamilton Trust, who give permission for it to be adapted as wished by individual users. We refer you to our warning, at the foot of the block overview, about links to other websites.

Answers for the Quiz on Electricity

A B C 1. Electricity is a type of energy that … Can only be generated by people B Is only found in nature C Occurs naturally but can also be generated by people

2. There are 2 types of electricity. These are called … Static and mobile electricity B Static and current electricity C Location and current electricity D Location and mobile electricity

3. Electricity is caused by the movement of tiny particles that orbit around the edges of atoms. Each of these particles has a small negative charge. They are called … A B C D Neutrons Protons Electrons Bourbons

Electronically attractive 4. Static electricity often builds up when 2 materials are rubbed together. The negatively charged particles are rubbed off one material and become attached to the other. The material has then become … A B C D Electrically charged Magnetic Electronically attractive Magically attractive

Aeroplanes, birds and helicopters 5. A lightning bolt is caused when there is a build up of static electricity in the sky. A huge electrical charge is generated when rain clouds rub against … A D The air around them B C Tiny insects in the air Aeroplanes, birds and helicopters Trees and leaves

6. The negatively charged particles called electrons can flow from one place to another. This is called current electricity. The current usually flows along … A B C D Lines Pathways Wires Routes

7. Electrical wires are usually made of metal because metal is a good electrical …… Transmitter C Insulator B Conductor C Generator

8. Electrical wires are usually covered in a plastic sleeve 8. Electrical wires are usually covered in a plastic sleeve. This keeps the electric current moving along the metal wires because the plastic does not allow electricity to flow through it. The plastic is … A An inhibitor D A reducer B An insulator C A conductor

A D A convertor B C A generator An energiser A battery 9. A machine that converts other types of energy into electrical energy is called … A D A convertor B C A generator An energiser A battery

A B C D 10. There are lots of ways electricity can be generated. Which of these can be used to make electricity? Waves Rubbish Flowing water Animal dung Coal Woodchips Sunshine Wind A All except dung B All except rubbish C All except woodchips D All of them

A Units B Appliances C Cells D Devices 11. Electricity flows into our homes through cables that contain electrical wires. We have many useful electrical items that plug into the current. These items are collectively known as … A Units B Appliances C Cells D Devices

12. The amount of electricity that flows through cables into our homes is … Very low so it doesn’t cause any dangers B Fairly low but it could give you a small electric shock if you take risks C Fairly high so take care as an electric shock could really hurt D Very high, which means an electric shock could kill you

13. Most of these are dangerous because they could cause the electricity to flow through your body. Which one is dangerous because it could start a fire? Using appliances with frayed cables Overloading power sockets C B A B Gall Bladder E Flying kites near overhead power lines D Pocking things into power sockets Using electricity near water or with wet hands

A B C D A cell A generator A battery A cylinder 14. A single unit that converts chemical energy into electrical energy is called … A B C D A cell A generator A battery A cylinder

A Loop D Rotation B Circle C Circuit 15. Unlike mains electricity, which is too dangerous to use for investigations, it is perfectly safe to experiment with low voltage batteries and cells. This bulb lights up because the wires and power source have been linked up with the bulb to make a … A Loop D Rotation B Circle C Circuit

16. These are called … A Components B Gadgets C Devices D Appliances

They will both be the same brightness 17. Which of these bulbs will be brighter? A B A Bulb A B Bulb B C They will both be the same brightness

18. In which of these “circuits” would the bulb or bulbs light up? A None of them D Only in the blue one B All of them C Only in the yellow one

19. Here are some electrical symbols 19. Here are some electrical symbols. The arrow is pointing at the symbol for a … A Battery D Switch B Buzzer C Motor

20. This circuit diagram shows a … A battery and a motor D A cell and a bulb B A battery and a buzzer C A cell and a motor

21. Thomas Edison was a great American electrical inventor who is famous for his perseverance. It is said that he tried more than 10,000 times to invent a long lasting … A Lightbulb D Power station B Battery C Generator

A B C D 22. Which of these did Thomas Edison invent? A vote counting machine The first machine that could record sounds A microphone that made voices easier to hear on the telephone The first lightbulb that could be manufactured A camera that could record moving pictures A The microphone and the lightbulb B The camera and the Lightbulb C All except the sound recorder D All of them