Beth's teacher set me some homework. To get her to listen to examples of homphonic and polyphonic music. This is in preparation for her Grade 5 aural work.
It was suggested that I used Mozart's piano sonatas for examples but I failed to make a note of examples of what. I suspect it was of homophonic texture because for polyphonic I've got Bach fugues noted down.

My last note is simply Form and harmony - listen to lots of music.

Now I'm the appalling parent who raised my children on Abba, Queen and Meatloaf. I'm very sorry. I had no idea she was going to be musical. In my favour I did organise piano lessons aged 5 and I endlessly provide seemingly blank cheques and cheerleading support. I need help here. Internet sources of examples would be terrific but I'll take any help offered right now.
Thanks everyone
Dora

Sounds like you need an effective crash course in musical theory. Wikipedia is a good starting point:

Homophony
polyphony
Harmony
Form and structure



Nothing wrong with Abba and Queen ...

Nothing wrong with that, as long as you didn't also teach them to misspell Meat Loaf.

If I'm trying to think about what homophony sounds like, I think of hymns sung by a four part choir. Chord, chord, chord, chord.

Keyboard Polyphony
Bach (as you say) 2 part invention, any fugue
Keyboard Homophony
Chopin Prelude in c minor

um...
polyphonic texture was often used in baroque period. it has 2 melody lines. it may have counterpoint as well. its melody was simple. get some songs bach wrote for piano and you can understand.

homophonic texture was often used in classical and romantic period etc. it has a melody line and accompaniment. the accompaniment may be in chord or others. it sounds more beautiful and thicker.

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form...

binery (AB form): you can hear two different parts of the music, maybe one in major key and another in minor key. Or the melody changed to the bass line.

ternary (ABA form): after 2 different parts, it comes back to the first part.

rondo (ABACA etc): you know what i mean

i might have made some mistakes... i've just had my grade 8 percussion exam this morning!

Poly means 'many', so be careful here. The texture could have two independent lines, but it could also have more than two (see Bach's Three-Part Inventions or Sinfonias as they are also known - and, of course, his fugues).