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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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Questions
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Answers
1
Why is it important to keep accurate and precise records of everything done in an experiment?
Make sure data is conclusive
ensure that the hypothesis is correct
Make the data easier to understand for regular people
Allow you to repeat the experiment and check results
2
Which of these would not include dependent and independent variables?
effect of different mass on falling object
model car air flow resistance at different wind speeds
effect of temp on bacteria reproduction
observing bird populations
3
How are biology (study of life) and astronomy (study of space) similar?
Both use telescopes
Both subjects are based on the same scientific principles.
They both sound sciencey
Both reach the same conclusions
4
A factor that changes because of the independent variable:
hypothesis
independent variable
dependent variable
controlled variable
5
"I propose that student achievement will be based on the amount of studying done" is a:
Hypothesis
Scientific Theory
Scientific Law
Conclusion
6
Hypothesis: The more sunlight a plant receives increases the number of seeds. The light is the
observed variable
dependent variable
controlled variable
independent variable
7
How is universal confirmation achieved about a scientific topic?
through five scientists observing a result that was predicted and repeating
through many replications of an experiment and debate by other scientists
through many repetitions of an experiment by the original scientist observi
through the decisions made by only the top experts in the field of science
8
Will the amount of plant food affect the height of a plant? What is the independent variable?
amount of light
The soil
The amount of plant food
height of the plants
9
How does technology increase the advancement of science?
identifying the variables
planning the experiment
generating explanations of phenomena
gathering the data for the investigation
10
Al wants to use 3 baits for his fishing to see which catches more fish. The bait is the:
independent variable
hypothesis
dependent varaible
controlled variable
11
What makes cell theory a theory and not a law?
it is a guess
It is just a hypothesis
It says what happens
It explains how cells relate to life
12
Scientific law and a scientific theory are similar in that both:
are based on what we expect to happen based on natural history.
describe the events that can be observed in nature.
explain why events and conditions occur as they do in the natural world.
represent a large amount of scientific investigation and evidence.
13
Hypothesis: The more sunlight a plant receives increases the number of seeds. The seeds are the
independent variable
dependent variable
manipulated variable
controlled variable
14
During a scientific investigation, which step occurs after a scientist collects data
Form the hypothesis
Follow the procedure
Plan the experiment
Draw conclusions
15
“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
The question is not scientific because it is too difficult to observe
The question is not scientific because it involves personal opinions
is scientific because it can be answered by gathering data
16
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.
17
Which of the following is an example of an observation?
An object in motion will continue until acted on by an outside force.
How much water a plant needs per day
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.
18
What is a characteristic of a GOOD experiment?
results can be replicated
small sample size for collecting data
variable procedures for collecting data
uncontrolled surroundings
19
Which statement
best
describes the term theory as used in the gene-chromosome theory?
A theory is a law that is never revised
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
20
After doing an experiment, how should you check to see if conclusions are valid?
Publish a report with your findings.
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
21
How is a scientific theory different from a regular theory?
Scientific theory is about science
scientific theory is based on popular opinion
A scientific theory is about physics and math
Scientific theory concerns nature and is supported by data
22
What makes Newton's second law of motion a law and not a theory?
It has been tested but not proven
it cannot be tested
the outcome it predicts may vary
it shows a mathematical relationship (equation)
23
Ashley wonders on the effects of water for seed sprouting. How can Ashley determine if her results are replicable?
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.
Ashley can carefully record her observations.
24
How can a scientific theory change over time?
older models based on opinons
different scientists have different ideas
New evidence leads to changing the current scientific theory
The scientists are completely wrong about a theory
25
During a scientific investigation, which step will a scientist do first?
organize data
conclusion
state the problem
experiment
