
Descobrindo Plásticos e Polímeros
Chemistry
3rd Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é um tipo comum de plástico usado em garrafas de água?
Polietileno de alta densidade (PEAD)
Polipropileno (PP)
Polietileno tereftalato (PET)
Poliestireno (PS)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual propriedade dos polímeros permite que eles sejam moldados em diferentes formas?
Rigidez
Flexibilidade
Transparência
Condutividade
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o símbolo de reciclagem para plásticos de polietileno de alta densidade (PEAD)?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é um uso comum para polímeros de polipropileno (PP)?
Sacolas plásticas
Garrafas de refrigerante
Tampas de garrafa
Embalagens de alimentos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é um impacto ambiental negativo dos plásticos?
Aumentam a biodiversidade
Poluem os oceanos
Melhoram a qualidade do solo
Aumentam a produção de oxigênio
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual tipo de plástico é frequentemente usado em sacolas de supermercado?
Polietileno de baixa densidade (PEBD)
Policarbonato (PC)
Nylon
PVC
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual propriedade dos polímeros é importante para a fabricação de roupas à prova d'água?
Permeabilidade
Elasticidade
Impermeabilidade
Transparência
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