What plants are these? for my science project i'm using plants. they are purple and my...

for my science project i'm using plants. they are purple and my mom calls them wandering jews...i presume it's racist and want to know the reral name anyone know it?
What type of plant is this??
Answers:    they are not racist! to be exact really what they are called. If you don't approaching that call it by its genus designation: Tradescantia zebrina . There are many different kind, Bolivian wandering jew, tri color wandering jew, purple, red, variegated and so on...
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oh yeah cuz thats helpful.... in attendance purple..... im happy for you.