What happens to an existing scientific theory when scientists obtain new information?

It is reevaluated and possibly revised.

Which statement about scientific investigations is NOT true?

They all follow exactly the same steps.

What is NOT true of a scientific law?

It explains why an event will occur.

What guiding principal must scientists keep in mind when using human subjects?

Scientists must minimize risk to the test subjects.

What purpose do an ecologist and geochemist share?

Ask questions and look for answers about the natural world.

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NOS Formatives SC.8.N.1.5, 1.6, 3.2

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Formative assessment #2

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Questions 10

Answers

1
The study of matter and energy is
Earth
Plant
Physical
Life
2
An interpretation of an observation is known as a(n)
Model
Hypothesis
Explanation
Prediction
3
What happens to an existing scientific theory when scientists obtain new information?
It remains the same.
It is reevaluated and possibly revised.
It replaces the old theory.
It is revised.
4
Which statement about scientific investigations is NOT true?
They include many trials to increase consistency in data.
They all follow exactly the same steps.
They include collection of data under controlled conditions.
They may focus on comparing or describing observations.
5
What is NOT true of a scientific law?
It states that an event will occur.
Itis based on repeated observations.
It can be rejected or modified.
It explains why an event will occur.
6
What guiding principal must scientists keep in mind when using human subjects?
Scientists must stay within certain budgetary limits
Scientists must minimize risk to the test subjects.
Scientists should publish results after the first test.
Perform the most accurate experiments possible at all costs.
7
Which of the following is not an example of life science?
Biology
Chemistry
Botany
Anatomy
8
Empirical evidence that involves numbers to describe what is observed is best described as
International System of Units
Qualitative
Quantitative
Scientific notation
9
If a scientific theory is well supported and widely accepted, what might cause it to change?
Individual claims
A scientific model
A scientific law
New evidence
10
What purpose do an ecologist and geochemist share?
They both use similar tools to carry out their work.
They both work primarily with living organisms.
They do most of their work in indoor laboratories.
Ask questions and look for answers about the natural world.

NOS Formatives SC.8.N.1.5, 1.6, 3.2 Flashcards | StudBud