What is a factor that is measured for change in an experiment?
A variable is anything that can change or be changed. In other words, it is any factor that can be manipulated, controlled for, or measured in an experiment.
What is a well-tested explanation developed after a series of experiments?
A scientific theory is a well-tested explanation for a wide range of observations or experimental results. Future testing can prove a theory incorrect. A scientific law is a statement that describes what scientists expect to happen every time under a particular set of conditions.
What is a well tested explanation to a problem based on much evidence?
A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not “guesses” but reliable accounts of the real world.
What is the name for the well tested explanation of what makes up all matter?
All of the chapter 1 flashcards
| A | B |
|---|---|
| The name given to the idea that life could arise from non-living matter is called ____. | spontaneous generation |
| In science, a ____ is a well tested explanation that unifies a broad range of observations. | theory |
What do you call the information gathered from an experiment?
Data. Explanation: It information gathered during experiment is known as data.
How do you write a strong hypothesis?
How to Formulate an Effective Research Hypothesis
- State the problem that you are trying to solve. Make sure that the hypothesis clearly defines the topic and the focus of the experiment.
- Try to write the hypothesis as an if-then statement.
- Define the variables.
What must be true of any hypothesis?
The word hypothesis can be defined as an “educated guess.” For example, it might be an educated guess about why a natural event occurs. A scientific hypothesis must meet two criteria: A scientific hypothesis must be testable. A scientific hypothesis must be falsifiable.