
Thinking and Working Scientifically Stages 9
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Easy
- Sem
Used 2+ times
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39 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do scientific models sometimes change?
They are always wrong.
New evidence can provide a better understanding.
Scientists prefer different models.
Models are always based on guesses.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of an analogy in science?
To make science more complicated
To help explain scientific concepts using familiar ideas
To replace models
To eliminate the need for experiments
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is an example of a scientific model used to describe atomic structure?
Solar System analogy
Water cycle
Evolutionary tree
Chemical bonding
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a limitation of using models in science?
They are always accurate
They can simplify complex systems, missing some details
They provide real-time solutions
They are always widely accepted
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In chemical equations, what does a symbol typically represent?
A physical property of a substance
A specific element or compound
A measurement
The number of molecules in a reaction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of a testable hypothesis?
It is always correct.
It can be supported or refuted through experimentation
It needs to be theoretical.
It doesn't require data.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a testable hypothesis?
All humans will be happier in the future.
Increasing sunlight will increase plant growth rate.
Planets have emotions.
People are more intelligent in urban areas.
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