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Basics of Science Flashcards | StudBud
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Basics of Science
Basics of Science
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A #science quiz to prepare for #scientificmethod test
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Which of these would not include dependent and independent variables?
effect of different mass on falling object
observing bird populations
effect of temp on bacteria reproduction
model car air flow resistance at different wind speeds
2
“What kind of sound makes the best music?” Which of the following is correct about the statement:
is scientific because it can be answered by gathering data
It is scientific because the study of sound is scientific topic
The question is not scientific because it is too difficult to observe
The question is not scientific because it involves personal opinions
3
How is universal confirmation achieved about a scientific topic?
through the decisions made by only the top experts in the field of science
through many repetitions of an experiment by the original scientist observi
through five scientists observing a result that was predicted and repeating
through many replications of an experiment and debate by other scientists
4
What is a characteristic of a GOOD experiment?
uncontrolled surroundings
variable procedures for collecting data
results can be replicated
small sample size for collecting data
5
Hypothesis: The more sunlight a plant receives increases the number of seeds. The seeds are the
dependent variable
controlled variable
manipulated variable
independent variable
6
Why is it important to keep accurate and precise records of everything done in an experiment?
Allow you to repeat the experiment and check results
ensure that the hypothesis is correct
Make the data easier to understand for regular people
Make sure data is conclusive
7
Al wants to use 3 baits for his fishing to see which catches more fish. The bait is the:
controlled variable
dependent varaible
independent variable
hypothesis
8
Which statement
best
describes the term theory as used in the gene-chromosome theory?
A theory is a hypothesis that has been supported by one experiment
A theory refers to a scientific explanation that is strongly supported
A theory is a law that is never revised
A theory refers to an assumption
9
During a scientific investigation, which step occurs after a scientist collects data
Form the hypothesis
Draw conclusions
Follow the procedure
Plan the experiment
10
How is a scientific theory different from a regular theory?
Scientific theory concerns nature and is supported by data
A scientific theory is about physics and math
scientific theory is based on popular opinion
Scientific theory is about science
11
What makes Newton's second law of motion a law and not a theory?
it cannot be tested
it shows a mathematical relationship (equation)
the outcome it predicts may vary
It has been tested but not proven
12
How does technology increase the advancement of science?
generating explanations of phenomena
identifying the variables
gathering the data for the investigation
planning the experiment
13
What makes cell theory a theory and not a law?
It says what happens
It explains how cells relate to life
It is just a hypothesis
it is a guess
14
Which of the following describes a scientific law?
explain why events and conditions occur as they do
Describes what always happens.
Can be created without experimentation.
Based on opinion.
15
Which of the following is an example of an observation?
Based on evidence I gathered, the best way to feed a cat is in a bowl.
The height of my plant is 12.2 cm
How much water a plant needs per day
An object in motion will continue until acted on by an outside force.
16
Ashley wonders on the effects of water for seed sprouting. How can Ashley determine if her results are replicable?
Ashley can carefully record her observations.
Ashley can conduct her experiment with large sample sizes.
Ashley can perform the experiment multiple times.
Ashley can ask other students to perform the experiment.
17
A factor that changes because of the independent variable:
independent variable
dependent variable
hypothesis
controlled variable
18
How are biology (study of life) and astronomy (study of space) similar?
They both sound sciencey
Both subjects are based on the same scientific principles.
Both use telescopes
Both reach the same conclusions
19
After doing an experiment, how should you check to see if conclusions are valid?
Repeat the experiment to see if the first set of data were accurate.
Make a graph to view your data.
Conduct the experiment with more independent variables
Publish a report with your findings.
20
Scientific law and a scientific theory are similar in that both:
are based on what we expect to happen based on natural history.
explain why events and conditions occur as they do in the natural world.
represent a large amount of scientific investigation and evidence.
describe the events that can be observed in nature.
21
"I propose that student achievement will be based on the amount of studying done" is a:
Hypothesis
Scientific Law
Conclusion
Scientific Theory
22
How can a scientific theory change over time?
older models based on opinons
The scientists are completely wrong about a theory
different scientists have different ideas
New evidence leads to changing the current scientific theory
23
During a scientific investigation, which step will a scientist do first?
state the problem
experiment
conclusion
organize data
24
Hypothesis: The more sunlight a plant receives increases the number of seeds. The light is the
dependent variable
controlled variable
observed variable
independent variable
25
Will the amount of plant food affect the height of a plant? What is the independent variable?
The soil
The amount of plant food
height of the plants
amount of light
