25163650
Descripción
Test por sherri oberding, actualizado hace más de 1 año
|
Creado por sherri oberding
hace alrededor de 4 años
|
|
Pregunta 1
Pregunta
An organized way of gathering and analyzing evidence about the natural world.
Respuesta
-
Science
-
Observation
-
Inference
Pregunta 2
Pregunta
A logical interpretation based on what scientists already know
Respuesta
-
Inference
-
hypothesis
-
observation
Pregunta 3
Pregunta
Act of noticing and describing events or processes in a careful, orderly way
Respuesta
-
Inference
-
Hypothesis
-
Observation
Pregunta 4
Pregunta
What kind of experiment should be used whenever possible to test a hypothesis?
Respuesta
-
A controlled experiment in which many variables are tested
-
A controlled experiment where as many variables as possible should be left unchanged
Pregunta 5
Pregunta
An independent variable is also called a manipulated variable
Respuesta
- True
- False
Pregunta 6
Pregunta
An experiment is usually divided into what 2 groups
Respuesta
-
Independent and Dependent
-
Experimental and Control
-
Independent and Control
-
Dependent and Experimental
Pregunta 7
Pregunta
A scientific explanation for a set of observations that can be tested in ways that support or reject it
Respuesta
-
Observation
-
Inference
-
Hypothesis
Pregunta 8
Pregunta
An inference is
Respuesta
-
the same as an observation
-
a logical interpretation of an observation
-
a statement involving numbers
-
a way to avoid bias
Pregunta 9
Pregunta
To be useable in science a hypothesis must be
Respuesta
-
measurable
-
testable
-
observable
-
correct
Pregunta 10
Pregunta
Which of the following statements about a controlled experiment is true?
Respuesta
-
All the variables must be kept the same
-
Only one variable is tested at at ime
-
Everyting can be studied by setting up a controlled experiement
-
Controlled experiments cannot be performed on living things
Pregunta 11
Pregunta
The statement: "The worm is 2 centimeters long" is an
Respuesta
-
observation
-
inference
-
hypothesis
-
theory
Pregunta 12
Pregunta
Check all that apply about the characteriestics of living things
Respuesta
-
Based on a universal genetic code
-
Grow and Develop
-
Living things reposnd to their environment
-
Reproduce
-
Maintain stable internal environment
-
Use and obtain energy through metabolism
-
Look like their parents in a process called DNA
-
Living things evolve when taken as a group
-
Made up of cells
-
Use Chlorophyll for energy
Pregunta 13
Pregunta
A signal to which an organism responds
Respuesta
-
Sunlight
-
Stimulus
-
Sexual Reproduction
Pregunta 14
Pregunta
Specialized cells within a leaf help regulate gases that enter the leaf and plant helping it survive a drought. This process is an example of
Respuesta
-
Photosynthesis
-
Metabolism
-
Homeostasis
Pregunta 15
Pregunta
Some plants can produce an unsavory chemical to ward off catepillar that feed on its leaves. This is an example of which characteristic of a living thing
Respuesta
-
DNA
-
Evolution
-
Reproduction
-
Response to a stimulus
Pregunta 16
Pregunta
Process of anonymous scientist reviewing the work of their peers by testing and evaluating their experiments
Respuesta
-
Skepticism
-
Peer Review
-
Bias
-
Scientific Theory
Pregunta 17
Pregunta
Well tested explanation that unifies a broad range of observations and hypotheses that enables the scientist to make accurate predictions about new situations.
Respuesta
-
Theory
-
Bias
-
Peer Review
-
Skepticism
Pregunta 18
Pregunta
A particular preference or point of view that is personal rather than scientific.
Respuesta
-
skepticism
-
theory
-
bias
-
observatioin
Pregunta 19
Pregunta
Newton's laws of gravity (What goes up must come down) is an example of a scientific theory
Respuesta
- True
- False
Pregunta 20
Pregunta
Scientifc theories are considered absolute truth
Respuesta
- True
- False
Pregunta 21
Pregunta
A skeptical attitude in Science
Respuesta
-
Prevents scientists from accepting new ideas
-
Encourages Scientists to accept new ideas
-
means a new idea will only be accepted if it is backed by evidence
-
is unimportant in the scientific process
Pregunta 22
Pregunta
The purpose of peer review in science is to ensure that:
Respuesta
-
all scientific research is funded
-
the results of experiments are correct
-
all scientifc results are published
-
published results meet standards set by the scientifc community
Pregunta 23
Pregunta
Which of the following characteristics is NOT shared by both a horse and the grass that it eats
Respuesta
-
Uses energy
-
response to stiumuli
-
movement from place to place
-
stable internal environment
Pregunta 24
Pregunta
A bird watcher sees an unuusal bird at a feeder, He takes carefull ntes on the bird's color, shape and other physical features, and then goes to a reference book to see if he can identify the species. What aspect of the Scientific process is most apparent in this situation?
Respuesta
-
Observation
-
Inference
-
Hypothesis formation
-
Controlled experimentation
Pregunta 25
Pregunta
One meter is equal to
Respuesta
-
1000 millimeters
-
1 millimeter
-
10 kilometers
-
1 millileter
Pregunta 26
Pregunta
What is the basic unit of matter?
Respuesta
-
cells
-
atoms
-
molecules
Pregunta 27
Pregunta
Neutrons are negatively charged
Respuesta
- True
- False
Pregunta 28
Pregunta
Protons and neutrons have [blank_start]about the same amount of mass[blank_end]
Respuesta
-
about the same amount of mass
-
vastly different amounts of mass
-
about the same charge
Pregunta 29
Pregunta
Protons and electrons are in the nucleus of the atom
Respuesta
- True
- False
Pregunta 30
Pregunta
Which subatomic particles is negatively charged?
Respuesta
-
protons
-
neutrons
-
electrons
Pregunta 31
Pregunta
Which two subatomic particles's occur in equal numbers in an atom and thus their charges balance each other out?
Respuesta
-
Protons and neutrons
-
Protons and electrons
-
Neutrons and electrons
Pregunta 32
Pregunta
Atoms of the same element that differ in the number of neutrons
Respuesta
-
Molecules
-
Isotopes
-
Compounds
Pregunta 33
Pregunta
On which axis should the independent variable be graphed?
Respuesta
-
x axis
-
y axis
-
title axis
Pregunta 34
Pregunta
What are the features of a proper graph title? (check all that apply)
Respuesta
-
A description of the experiment
-
Y-axis variable vs X-axis variable
-
X-axis variable vs Y-axis variable
-
centered above or below the graph
-
Against the Left margin
Pregunta 35
Pregunta
In an experiment measuring the affect of plant fertilizer on plant growth, the following are true, (check all that apply)
Respuesta
-
the dependent variable is plant growth
-
the amount of plant fertilizer should plotted on the y-axis
-
The title of the graph should be " Plant growth in cm vs. Amount of Fertilizer in mg"
-
The best graph type would be a bar graph
-
The best graph type would be a line graph
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.