162969
Descrição
Quiz por PatrickNoonan, atualizado more than 1 year ago
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Criado por PatrickNoonan
mais de 10 anos atrás
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Questão 1
Questão
All radioactivity is man-made. Is this statement…
Responda
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True
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False
Questão 2
Questão
Electrons are smaller than atoms. Is this statement…
Responda
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True
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False
Questão 3
Questão
Lasers work by focusing sound waves. Is this statement…
Responda
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True
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False
Questão 4
Questão
The continents on which we live have been moving their location for millions of years and will continue to move in the future. Is this statement…
Responda
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True
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Flase
Questão 5
Questão
Which one of the following types of solar radiation does sunscreen protect the skin from?
Responda
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X-rays
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Infrared
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Ultraviolet
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Microwaves
Questão 6
Questão
Does nanotechnology deal with things that are extremely…
Responda
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Small
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Large
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Cold
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Hot
Questão 7
Questão
Which gas makes up most of the Earth’s atmosphere?
Responda
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Hydrogen
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Nitrogen
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Carbon Dioxide
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Oxygen
Questão 8
Questão
What is the main function of red blood cells?
Responda
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Fight disease in the body
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Carry oxygen to all parts of the body
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Help the blood to clot
Questão 9
Questão
Which of these is a major concern about the overuse of antibiotics?
Responda
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It can lead to antibiotic-resistant bacteria
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Antibiotics are very expensive
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People will become addicted to antibiotics
Questão 10
Questão
Which is an example of a chemical reaction?
Responda
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Water boiling
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Sugar dissolving
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Nails rusting
Questão 11
Questão
Which is the better way to determine whether a new drug is effective in treating a disease? If a scientist has a group of 1,000 volunteers with the disease to study, should she…
Responda
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Give the drug to all of them and see how many get better
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Give the drug to half of them but not to the other half, and compare how many in each group get better
Questão 12
Questão
What gas do scientists believe causes temperatures in the atmosphere to rise?
Responda
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Carbon dioxide
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Hydrogen
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Helium
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Radon
Questão 13
Questão
Which natural resource is extracted in a process known as “fracking”?
Responda
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Coal
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Diamonds
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Natural gas
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Silicon
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