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We're going to see if seeds can tell if they are upside down
or sideways.

I've soaked some bean seeds overnight, and you are going to
put them onto needles so that the seeds will each be in a
different position. The needles don't seem to hurt the
seeds, so we won't have to worry about that.

After you've put your seeds onto the needles, stick each
needle into a cork, and put it into a shallow dish of water,
like a saucer. Put a small drinking glass over it.

[We can also do this in a soilless garden, just by putting
the seeds into different positions on top of a layer of
gravel in the bottom of a jar with a wet, crumpled paper
towel on top of the seed.]

Will the seeds germinate if they are not pointed in the
correct direction? Look carefully when they start to
germinate. Will the roots grow toward the cork even if the
seed is on the needle sideways?

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