What seeds need for growing?

Each year plants scatter their seeds. But all seeds don`t begin to grow. Sometimesafter some  years a seed begins to grow.

Why some seeds germinate but others not?

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2. Read  a story about a radishseed.

A little radishseed named Robert lived In a paper bag in a seeds shop .Robert dreamed to be a big and red radish.Thatswhy   he studied diligently in a small seeds school.But Robert was very absent-minded.
When teacher Turnip explained, what plants need for life, Robert listened  sparrows talks outside.He didn`t hear teacher`s conversation.Suddnly one sparrow flew on the window-ledge, catched the radishseed   pack  and flew  out.  All the sparrows attacked a pack. Seeds droppeded on the street.