Rhythm is the pattern of stresses within a line of verse. All spoken word has a rhythm formed by stressed and unstressed Syllables. When you write words in a sentence you will notice patterns forming.
Stressed syllables - long sounding
Unstressed syllables - short sounding
Meters are the pattern of feet within a sentence.
Feet are individual units of rhythm made up of patterns of syllables. A sentence is made up of one or more feet.
Monometer - 1 foot
Dimeter - 2 feet
Trimeter - 3 feet
Tetrameter - 4 feet
Pentameter - 5 feet
Hexameter - 6 feet
Rhythm is a natural effect within poetry. The meter of a sentence and which feet used to make that sentence are what give the poem its effect and flow.
Why don't you try writing a poem using rhyming couplets and enter it into one of our Poetry Competitions.