Y9

4n: Describe how sounds are represented as sequences of bits

Keywords:

Data Representation

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Keyword	Definition
amplitude	a measure of how loud or quiet a sound is at any moment in time
audio stream	a sequence of bits that represents sound by describing the amplitude of each sample in turn
bit	an individual binary digit (0 or 1)
bit rate	the number of bits that are needed to represent each second of sound
sample rate	the number of samples recorded every second
sample size	the number of bits that are need to represent each individual sample

All learning objectives

Keyword games:

BugZap

Connect the wires to complete the circuit and zap the bug. The faster you choose the right keyword, the more points you get for zapping the bug!

Crossword

Use the clues to guess the keywords and fill in the blank spaces on the crossword

Eliminate

Click on the keywords that do not match the definition

Flappy Word

Click to jump. Collect a letter each time you pass a pipe

Hangman Definitions

Guess the letters of the definition

Hangman Keywords

Guess the letters of the keyword

Jumble Keyword

Rearrange the letters of the keyword into the right order

Random

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Snake

Control the snake to eat each letter of the keyword in order

TypeRace

Type out the definitions as fast as you can

Wordsearch

Find the words that match each definition

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