7022229
Descrição
Quiz por Jeffrey Piggott, atualizado more than 1 year ago
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Criado por Jeffrey Piggott
aproximadamente 8 anos atrás
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Questão 1
Questão
Which of the following is NOT a unit of measurement?
Responda
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metre
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kilogram
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degrees celsius
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mass
Questão 2
Questão
Which tool is used to measure temperature?
Responda
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scale
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thermometer
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balance
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graduated cylinder
Questão 3
Questão
This tool can be used to measure length and area. Check all that apply.
Responda
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metre rule
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ruler
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graduated cylinder
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none of the above
Questão 4
Questão
The international system of measurement allows scientists from all different countries around the world to communicate effectively.
Responda
- True
- False
Questão 5
Questão
To measure the mass of beaker, a student would use:
Responda
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a graduated cylinder
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an electronic balance
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a metre rule
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a micrometer screw gauge
Questão 6
Questão
Is it possible to measure the volume of liquids? If so, what measuring instrument can measure the volume?
Responda
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Yes, graduated cylinder
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Yes; electronic balance
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Yes; scale
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No; graduated cylinder
Questão 7
Questão
Water freezes at [blank_start]0[blank_end] degrees Celsius and boils at [blank_start]100[blank_end] degrees Celsius.
Responda
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0
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100
Questão 8
Questão
What's the difference between a hypothesis and a theory?
Responda
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"Theory" is another word for "fact". "Hypothesis" is another word for "guess".
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Hypotheses cannot be proven correct; theories can be proven correct.
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Theories have been confirmed through doing fair tests, hypotheses have not been confirmed.
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Theories contain many hypotheses; an hypothesis contains only one theory.
Questão 9
Questão
Place the following steps in the sequence when following the scientific method: A) Recognizing a problem; B) Testing a hypothesis; C) Making inferences
Responda
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A, B, C
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C, B, A
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B, A, C
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C, A, B
Questão 10
Questão
What must you do before you make a hypothesis?
Responda
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Do an experiment
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Make an observation
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Form a theory
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Make conclusions
Questão 11
Questão
If you were running an experiment to determine the temperature at which beans germinate fastest, what would be the independent variable?
Responda
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The time taken for the bean seeds to germinate.
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The number of bean seeds used.
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The type of soil you planted the bean seeds in.
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The temperature you kept the bean seeds at.
Questão 12
Questão
You should run three or more trials of the same experiment to make sure your results are consistent. What does "consistent" mean?
Responda
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Obvious
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Perfect
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Always being about the same
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Testable
Questão 13
Questão
Which of the following is a testable hypothesis?
Responda
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Roses are more beautiful than violets.
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A plant needs at least 5 hours per day of sunlight to grow.
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Ice cream is very nice.
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Humans will someday land on Mars.
Questão 14
Questão
What should you do if you test a hypothesis multiple times and the data doesn't support your prediction?
Responda
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Change the data so that it supports your hypothesis.
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Keep running the experiment until you get the results you are looking for.
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Conclude that your hypothesis cannot be proven correct.
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Re-think you hypothesis.
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