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