1. Musical Instruments of the orchestra
By: Amina Boudjellel 7x1

2. Did you know? Early humans made primitive instruments by stretching animal skin over gourds to make drums.
Percussion Family
Membranophones and Idiophones are two groups made up of musical instruments in the Percussion family.
Some of the main instruments in the Percussion family are: Mallet, Drum kit, Xylophone, Snare drum, Triangle, Tambourine, Maracas, Chimes, Marimba, Djembe, Drum Machine, Timpani or Piano, Cymbals or Castanets, Bass drum, Gongs, Celesta etc...
Membranophones is an instrument that has a stretched membrane or drum head covering a hole. Idiophones is an instrument without a membrane that creates sound when the instrument itself is made to vibrate.
A Mallet is a stick which causes the drum to vibrate and make a noise, either with your hand or a mallet.
A drum kit includes a bass drum, a snare drum, toms and cymbals.
A drum machine can create a number of percussion sounds.

3. Did you know? When you press a valve you create a longer airway inside the instrument.
Brass Family
Some of the main instruments of the Brass Family are: Brass,Tuba,Trombone,Bugle,Trumpet and French horn.
Brass is nothing more than long metal tubes. The tube is twisted around, to make it compact and easy to handle.
A Tuba is a Brass instrument that hits the lowest notes. The length of the pipe that makes a Tuba can be as long as 5.5 metres, and it sits on the players lap.
The bugle is a natural brass instrument that doesn't have valves or slides and they have a limited range of notes.

4. Stringed Family HARP BOW GUITAR VIOLIN LYRE
Did you know? The lower pitched strings are long and thick, and the high pitched strings are short and thin.
BOW
GUITAR
Stringed Family
Some of the instruments in the Stringed family are: Lyre, Bow, guitar, harp, banjo, electric guitar, violin.
A few key terms:
Resonator- is the body of an instrument. It’s a hollow structure usually made of wood or metal. It amplifies the sound waves from a vibrating string, it makes the sound louder and fuller.
Plucked- a string can be plucked, which is like flicking it with your thumb, finger or a small piece of plastic.
Struck: - the strings in a piano is usually struck with a small hammer. A felt covered hammer hits one of the strings, producing a sound on the piano key.
VIOLIN
LYRE

5. Recorder
Woodwind family
Some of the instruments in the woodwind family: piccolo, flute, oboe/English horn, saxophone , clarinet,  bass clarinet, bassoon .
Here are some key words:
Woodwinds is a tube with holes along it.
Mouthpiece: to make music , air is blown into the instrument through a mouthpiece or a reed.
Reed: it is often made of bamboo, through this it’s the vibrating air produced inside the instrument, that makes the sound.
Bassoon