Plastics

Descripción

Test sobre Plastics, creado por Jawad Karim el 09/08/2014.
Jawad Karim
Test por Jawad Karim, actualizado hace más de 1 año
Jawad Karim
Creado por Jawad Karim hace más de 10 años
49
1

Resumen del Recurso

Pregunta 1

Pregunta
What is a biodegradable plastic?
Respuesta
  • Plastics that by nature burn away after a year
  • plastics that can be eaten away by microbes

Pregunta 2

Pregunta
An advantage of biodegradable plastics are that they last a long time
Respuesta
  • True
  • False

Pregunta 3

Pregunta
There are codes for how plastics need to be recycled
Respuesta
  • True
  • False

Pregunta 4

Pregunta
What can happen when you burn certain plastics?
Respuesta
  • Nothing
  • They create a poisonous gas
  • They create water and Nitrogen Oxide

Pregunta 5

Pregunta
Biodegradable plastics can cause starvation (as an extreme)
Respuesta
  • True
  • False

Pregunta 6

Pregunta
Recycling plastic is impossible, the plastics just melt
Respuesta
  • True
  • False

Pregunta 7

Pregunta
Hedgehogs can get trapped in plastic wrapping of apple nets
Respuesta
  • True
  • False

Pregunta 8

Pregunta
plastic can be made from corn
Respuesta
  • True
  • False

Pregunta 9

Pregunta
how are some plastics said to be breathable
Respuesta
  • the plastics expands when the person wears them and increases the surface area to release the heat
  • the plastic contracts forcing heat out
  • the lastics contain small pores which let sweat out but don't let water in

Pregunta 10

Pregunta
PTA contains cornstarch
Respuesta
  • True
  • False
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