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

3. 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!

4. 1. Sound is a type of …
music
energy

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

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

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

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

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

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

11. 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

12. 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

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

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

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

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

17. 14. Sound waves travel fastest through …
solid objects
air

18. 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

19. 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

20. 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

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

22. End of Game
Congratulations to everyone still in!