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7th Life Science Nature of Science Flashcards | StudBud
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7th Life Science Nature of Science
7th Life Science Nature of Science
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7th Grade Nature of Science
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22 cards
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1
Galileo drew the following model of the solar system. What does this model show?
Earth and the other planets move around the sun.
Some, but not all, of the planets move around the sun.
Earth is the center of the solar system.
The distance between Earth and the sun
2
A scientific hypothesis must be
able to be manipulated
able to be controlled
able to be tested
correct
3
Using one or more of your senses to gather information is called
predicting
inferring
classifying
observing
4
Which of the following would you measure using a graduated cylinder?
mass
volume
temperature
lenght
5
To determine how close to the true value an experimental value is, you would use
a percent error calculation
a median
significan figures
a precision calculation
6
Trying to explain why a solar eclipse occurs is an example of
classification
an experiment
a prediction
scientific inquiry.
7
All scientific explanations are based on
empirical evidence
controversy
opinion
laws
8
Which of the following can be described as a simple system?
ocean currents
global weather
a flight simulator
a food chain
9
A group of parts that work together is called a
technology
feedback
process
system
10
Which of the following is an example of a scientific law?
All cells are produced from other cells.
Mass and energy can be converted into each other
All substances are composed of tiny particles called atoms.
All objects in the universe attract each other.
11
The statement, “Moonlight is caused by the moon reflecting sunlight” is an exampleof a(n)
scientific opinion.
historical fact.
scientific explanation.
experimental explanation.
12
Which would be the most appropriate tool for modeling a complex system?
global weather
a computer
a calculator
pencil and paer
13
The metric system is based on the number
1
10
12
100
14
Add a mass of 3.7 g to a mass 9.495 g the sum with the correct number of significant digits is
13.19g
13.2g
13.195g
13.20g
15
Which of the following would you measure using a balance?
lenght
volume
temperature
mass
16
Which describes how opinion and scientific evidence are related?
Evidenceis an idea that may be confirmed by an opinion.
Scientificevidence and opinion are not related.
An opinion is an idea thatmay be formed from evidence.
Scientificevidence and opinion are the same thing.
17
Why are line graphs said to be powerful tools?
Theyare easier to make than bar graphs.
They show how differentsets of data are related.
They give more information than bar graphs.
Theycan show both numerical and categorical data.
18
The horizontal axis of a graph runs
diagonally
left to right
up and down
vertically
19
Why is it useful for scientists to develop models for the structure of atoms?
Looking at atoms directly can be harmful.
Atoms are too far away to study.
Atoms move too quickly to see.
Atoms are too small to study directly.
20
Why is the law of gravity not a theory?
It does not describe an observed pattern in nature.
Scientists think that is could one day be proved incorrect.
It describes a wide range of observations.
Describes patterns in nature without explaining it
21
Carson discovered the bad effects of DDT. Who would have disagreed with her findings?
fishermen
bird watchers
animal right groups
farmers
22
A well-tested explanation for a wide range of observations or experimental results is called a
scientific theory
scientific law
scientific law
scientific inquiry
