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What are the three ways scientists do investigations?
Scientists use three types of investigations to research and develop explanations for events in the nature: descriptive investigation, comparative investigation, and experimental investigation.
What describes a pattern or event in nature?
scientific law describes a pattern or an event in nature that is always true.
Which is a statement that explains events or things in nature based on knowledge gained from many observations and investigations?
science vocab
| A | B |
|---|---|
| prediction | a statement of what will happen next in a sequence of events |
| scientific theory | an explanation of observations or events that is based on knowledge gained from many observations and investigations |
| scientific law | a rule that describes a repeatable pattern in nature |
What is the name given to an explanation that can be tested?
A hypothesis is a tentative explanation that can be tested by further observation. A theory is a hypothesis that has been supported with repeated testing.
What is an experimental investigation?
Experimental Investigation: Involve a designed test in which variables are changed, controlled, and measured in an effort to gather evidence to support or disprove a hypothesis.
How do theories relate to hypotheses?
In science, a theory is a tested, well-substantiated, unifying explanation for a set of verified, proven factors. A theory is always backed by evidence; a hypothesis is only a suggested possible outcome, and is testable and falsifiable.
How does a scientist usually begin a scientific investigation?
A scientist usually begins a scientific investigation by making a(n)\ , which involves gathering information. 4. A(n) is a logical explanation of an observation that is\drawn from prior knowledge or experience. 5. After making observations and inferences, scientists sometimes form a(n)\
What is it called when a scientist makes a prediction?
After making observations and inferences, scientists sometimes form a(n) hypothesis that can be tested by scientific investigation. When a scientist forms a hypothesis, he or she usually makes a(n) prediction, or a statement about what will happen next in a(n) sequence of events.
What are three ways to organize scientific explanations?
Scientific Explanations 7\\f Name Date Class Lesson Outline continued 8. Three ways to organize are to create graphs, classify\information, and make models and 9. Scientists must decide whether or not the they have\collected support their hypothesis.
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