Which of the following is true about theories? (1 point)

Question

Responses

They are formulated before an experiment begins so that scientists can properly conduct the experiment.
They are formulated before an experiment begins so that scientists can properly conduct the experiment.

Theories are formulated after one investigation produces groundbreaking results.
Theories are formulated after one investigation produces groundbreaking results.

Theories are formulated during an experiment when a scientist predicts what is going to happen.
Theories are formulated during an experiment when a scientist predicts what is going to happen.

They are formulated after several repeated investigations produce the same or similar conclusions.

Answer 1

The correct statement is:

They are formulated after several repeated investigations produce the same or similar conclusions.

Theories are generally developed based on a body of evidence gathered from multiple experiments and observations, leading to a supported explanation of a phenomenon.

Answer 2

Why is evolution called a scientific theory?(1 point)
Responses

There is lots of evidence to support it.
There is lots of evidence to support it.

It involves the formation of all living things on the planet.
It involves the formation of all living things on the planet.

It deals with topics that are completely testable in the laboratory.
It deals with topics that are completely testable in the laboratory.

Many scientists all over the world accept it as true.

Answer 3

The most accurate response is:

There is lots of evidence to support it.

Evolution is called a scientific theory because it is supported by a substantial body of evidence from various fields, including genetics, paleontology, and comparative anatomy, among others.

Answer 4

What is the goal of a theory?(1 point)
Responses

to control the outcome of an experiment
to control the outcome of an experiment

to determine independent and dependent variables
to determine independent and dependent variables

to analyze data from an experiment
to analyze data from an experiment

to explain natural and physical phenomena

Answer 5

The correct response is:

to explain natural and physical phenomena.

The goal of a theory is to provide a comprehensive explanation of observations and facts in the natural world, helping to understand and predict phenomena based on established evidence.

Answer 6

What is a scientific theory?(1 point)
Responses

a guess about how something might work
a guess about how something might work

a detailed record of experimental results
a detailed record of experimental results

a well-substantiated explanation of an aspect of the natural world
a well-substantiated explanation of an aspect of the natural world

an untested idea about natural phenomena

Answer 7

The correct response is:

a well-substantiated explanation of an aspect of the natural world.

A scientific theory is based on a large body of evidence and is widely accepted within the scientific community as an explanation for certain natural phenomena.

Answer 8

Which statement best describes a scientific theory?(1 point)
Responses

A step-by-step procedure of an experiment that can be conducted in a lab.
A step-by-step procedure of an experiment that can be conducted in a lab.

A prediction that has not been tested.
A prediction that has not been tested.

A summary of opinions about scientific facts.
A summary of opinions about scientific facts.

A widely-supported explanation backed by evidence from many experiments.

Answer 9

The correct response is:

A widely-supported explanation backed by evidence from many experiments.

This statement accurately captures what a scientific theory is—an explanation that is supported by substantial evidence and has been tested through various experiments.