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Frances was working on an experiment for science class. She dropped 4 steel balls of different weights from the same height. She noticed that the balls all reached the ground at the same time. Frances is probably doing an experiment on the-
A) The duplication of an entire research study by another scientist
effect of gravity
physical
Hypothesis
one
The variable that the researcher manipulates*
d) Measuring things like length, amounts, or time
B) Repeating an experiment to test the reliability of the results*
Models that you can see ande touch are called __________ models
A) The duplication of an entire research study by another scientist
effect of gravity
physical
Hypothesis
one
The variable that the researcher manipulates*
d) Measuring things like length, amounts, or time
B) Repeating an experiment to test the reliability of the results*
How many independent variables does an experiment have?
A) The duplication of an entire research study by another scientist
effect of gravity
physical
Hypothesis
one
The variable that the researcher manipulates*
d) Measuring things like length, amounts, or time
B) Repeating an experiment to test the reliability of the results*
What is an independent variable in an experiment?
A) The duplication of an entire research study by another scientist
effect of gravity
physical
Hypothesis
one
The variable that the researcher manipulates*
d) Measuring things like length, amounts, or time
B) Repeating an experiment to test the reliability of the results*
What does repetition in science experiments refer to?
A) The duplication of an entire research study by another scientist
effect of gravity
physical
Hypothesis
one
The variable that the researcher manipulates*
d) Measuring things like length, amounts, or time
B) Repeating an experiment to test the reliability of the results*
What does scientific replication refer to?
A) The duplication of an entire research study by another scientist
effect of gravity
physical
Hypothesis
one
The variable that the researcher manipulates*
d) Measuring things like length, amounts, or time
B) Repeating an experiment to test the reliability of the results*
Which section of an experiment sheet tells what the experimenter expected to happen during the experiment?
A) The duplication of an entire research study by another scientist
effect of gravity
physical
Hypothesis
one
The variable that the researcher manipulates*
d) Measuring things like length, amounts, or time
B) Repeating an experiment to test the reliability of the results*
What are Quantitative Observations?
A) The duplication of an entire research study by another scientist
effect of gravity
physical
Hypothesis
one
The variable that the researcher manipulates*
d) Measuring things like length, amounts, or time
B) Repeating an experiment to test the reliability of the results*
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