7022229
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace alrededor de 8 años
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Pregunta 1
Pregunta
Which of the following is NOT a unit of measurement?
Respuesta
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metre
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kilogram
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degrees celsius
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mass
Pregunta 2
Pregunta
Which tool is used to measure temperature?
Respuesta
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scale
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thermometer
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balance
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graduated cylinder
Pregunta 3
Pregunta
This tool can be used to measure length and area. Check all that apply.
Respuesta
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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
Pregunta 4
Pregunta
The international system of measurement allows scientists from all different countries around the world to communicate effectively.
Respuesta
- True
- False
Pregunta 5
Pregunta
To measure the mass of beaker, a student would use:
Respuesta
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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
Pregunta 6
Pregunta
Is it possible to measure the volume of liquids? If so, what measuring instrument can measure the volume?
Respuesta
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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
Pregunta 7
Pregunta
Water freezes at [blank_start]0[blank_end] degrees Celsius and boils at [blank_start]100[blank_end] degrees Celsius.
Respuesta
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0
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100
Pregunta 8
Pregunta
What's the difference between a hypothesis and a theory?
Respuesta
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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.
Pregunta 9
Pregunta
Place the following steps in the sequence when following the scientific method: A) Recognizing a problem; B) Testing a hypothesis; C) Making inferences
Respuesta
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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
Pregunta 10
Pregunta
What must you do before you make a hypothesis?
Respuesta
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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
Pregunta 11
Pregunta
If you were running an experiment to determine the temperature at which beans germinate fastest, what would be the independent variable?
Respuesta
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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.
Pregunta 12
Pregunta
You should run three or more trials of the same experiment to make sure your results are consistent. What does "consistent" mean?
Respuesta
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Obvious
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Perfect
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Always being about the same
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Testable
Pregunta 13
Pregunta
Which of the following is a testable hypothesis?
Respuesta
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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.
Pregunta 14
Pregunta
What should you do if you test a hypothesis multiple times and the data doesn't support your prediction?
Respuesta
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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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