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