4193070
Descrição
Quiz por Jade Dickey, atualizado more than 1 year ago
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Criado por Jade Dickey
mais de 8 anos atrás
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Questão 1
Questão
Prior to an experiment scientists make a(an) __________ which is an educated guess about the solution to a problem.
Responda
-
hypothesis
-
data
-
scientific theory
Questão 2
Questão
A well tested idea that explains and connects observations, hypotheses and events in nature is a scientific __________
Responda
-
theory
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observation
Questão 3
Questão
Observations and measurements recorded during an experiment are considered
Responda
-
Dependent variable
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data
-
control variable
Questão 4
Questão
The factor that is expected to change in an experiment is called a(an)
Responda
-
independent variable
-
dependent variale
-
control variable
Questão 5
Questão
The scientist changes the __________ __________ on purpose during the experiment
Responda
-
independent variable
-
control variable
-
dependent variable
Questão 6
Questão
A logical conclusion based on observations, prior knowledge and data is a(an)
Responda
-
observation
-
inference
Questão 7
Questão
A __________ is a statement that describes what scientists expect to happen every time under a certain set of conditions
Responda
-
control variable
-
theory
-
scientific law
Questão 8
Questão
When information is gathered through use of your five senses, you are making a(an)
Responda
-
inference
-
observation
-
hypothesis
Questão 9
Questão
Which of the following is the correct order of the scientific method steps?
Responda
-
Determine a problem, Arrive at a conclusion, Test the hypothesis, Research the problem, Analyze data, Make a hypothesis
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Determine a problem, Make a hypothesis, Test the hypothesis, Research the problem, Analyze data, Arrive at a conclusion
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Determine a problem, Research the problem, Make a hypothesis, Test the hypothesis, Analyze data, Arrive at a conclusion
Questão 10
Questão
The central core of the atom is called its
Responda
-
nucleus
-
electron cloud
Questão 11
Questão
The Proton is the subatomic particle that carries a _____ charge
Responda
-
negative
-
positive
Questão 12
Questão
The Neutron is the subatomic particle that carries a _____ charge
Responda
-
neutral
-
negative
Questão 13
Questão
The Electron is the subatomic particle that carries a _____ charge
Responda
-
negative
-
postitive
Questão 14
Questão
Most of the mass of an atom is found in the
Responda
-
electron cloud
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nucleus
-
electron
Questão 15
Questão
Most of the total volume of an atom is due to the
Responda
-
electron cloud
-
electron
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nucleus
Questão 16
Questão
Atom X has 42 protons and 47 neutrons. Atom Y has 42 protons and 42 neutrons. Atom X and Y are _____ of the same element
Responda
-
isotopes
-
ions
Questão 17
Questão
Without the strong force, the protons would repel each other
Responda
- True
- False
Questão 18
Questão
The weak force is responsible for radioactive decay
Responda
- True
- False
Questão 19
Questão
The electromagnetic force acts as a force of attraction or repulsion
Responda
- True
- False
Questão 20
Questão
The gravitational force is most easily observed in the behavior of large objects, not smaller ones.
Responda
- True
- False
Questão 21
Questão
Who was credited with the first Atomic Theory
Responda
-
Dalton
-
Bohr
-
Chadwick
Questão 22
Questão
His philosophy was the smallest piece of matter is the atom
Responda
-
Aristotle
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Democritus
-
Thompson
Questão 23
Questão
An atom is mostly empty space with a small, positive nucleus
Responda
-
Rutherford
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Chadwick
-
Thompson
Questão 24
Questão
He is credited with the discovery of electrons
Responda
-
Thompson
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Bohr
-
Mr. Rabbit
Questão 25
Questão
He is credited with the discovery of he neutron
Responda
-
Chadwick
-
Candle Wick
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Cheese Wick
Questão 26
Questão
In an atom, electrons are located in energy levels that are a certain distance from the nucleus
Responda
-
Bohr
-
Boar
-
Dalton
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