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Color Changing Celery

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hi I'm dr. Boyd the chemist and this is

science made simple today we're going to

learn about plants and then we're going

to do a simple demonstration to help us

understand them a little bit better

here's what you'll need you're gonna

need a vase choose one that's

transparent that you can see through you

need water food coloring I'm using blue

but you'll probably want to use red

because it'll be more visible you want

some scissors to cut your celery with

and of course you want your celery

plants are all around us on planet earth

and we need them to survive one of the

major reasons why is because although

humans and animals breathe in oxygen and

breathe out carbon dioxide plants

breathe in carbon dioxide and breathe

out oxygen now the major components of