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Scientific Methods Quiz Practice

Authored by Heidi Montgomery

Science

8th Grade

Used 2+ times

Scientific Methods Quiz Practice
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27 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 5 pts

Check all that apply concerning theories and laws.

Laws predict what happens, not why.
Theories are broad explanations of a set of phenomena based on a large body of scientific evidence.
Theories explain "why."
Both are widely accepted in the scientific community.
With new evidence, theories can be revised.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to follow the procedure for an experiment exactly as it says?

For validity, so you can trust the results.
You don't have to follow the procedure correctly.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What kind of observational data involves numbers and often instruments?

qualitative
inference
quantitative
assumption

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why must findings/conclusions by one group of scientists be replicated by other scientists?

To make the research more complicated
To allow scientists to publish more papers quickly
To prove that the original scientists are smarter than others
To confirm that the results can be trusted

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why must experiments be repeated?

so that the constants remain the same
so that you can change the independent variable
so that you can form a proper hypothesis
so you know you can trust the validity of the conclusion(s)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To have valid results how many independent (manipulated) variables must an experiment have?

1
2
3
4 or more

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A question to be considered or solved by science is:

a problem
a hypothesis
an observation
an inference

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