Science - Year 3/4A Summer 2 5 Lives Quiz Answers PowerPoint Sound Sounds Spectacular Session 3 5 Lives 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.

This game is called “Five Lives” because each time you make a mistake you lose a life. Once you have lost all five of your lives, you are out. Some questions are easy and some are hard. Just give each question your best guess.

Each question has 2 possible answers: one on the left and one on the right. You must choose which you think is correct and stand on that side of the line. If you are wrong, you lose a life! Count the lives you have lost by holding up fingers in front of you. Hold up one finger for each life lost. If the whole class is out, then everyone is back in again! Let’s begin!

1. Sound is a type of … music energy

a rapid repeated movement 2. A sound is made when an object vibrates. A vibration is … a rapid repeated movement a loud rhythm

3. When an object vibrates, … you can sometimes see it vibrating the vibrations are always so slight you can never see them

4. If you touch the source of a sound… you can sometimes feel it vibrating the vibrations will stop immediately

5. Sound energy travels outwards from a vibrating object … in invisible waves in electrical pulses

6. The source of a sound is always a … vibrating object musical instrument

7. When an object vibrates, it makes the air around it … hot vibrate

circle round and round like a whirlwind 8. The vibrating air particles … circle round and round like a whirlwind bump into each other like falling dominoes

9. In this way the bumping air particles travel outwards until they reach your ear. We call this traveling energy a … sound wave noise wave

10. When the sound wave reaches you, … your ears may start to flap your ears can detect the sound

11. When the sound wave enters your ear, your ear drum starts to vibrate and a message is sent to … your brain your friends

12. Your brain … has learnt to interpret lots of different sounds gets very confused by lots of different sounds

13. Sound waves … can travel through liquids and solids as well as air can only travel through air

14. Sound waves travel fastest through … solid objects air

15. Sound can only travel if it has a medium to travel through 15. Sound can only travel if it has a medium to travel through. A medium is any material (solid, liquid or gas) that can ………………. the vibrations. Choose the correct word to go in the gap transmit absorb

it would be deafening it would be silent 16. If you were in outer space and a rocket went by, … it would be deafening it would be silent

you would be wearing a space helmet 17. This is because … you would be wearing a space helmet there is no air in space to transmit the sound

18. The loudness (volume) of a sound is measured in … decibels mega-vibes

End of Game Congratulations to everyone still in!