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Grade 8 Science Ch 1 sec 1 and 2

A possible explanation for a set of observations or answer to a scientific question
Is the way of learning about the world
Is a statement that describes what scientists expect to happen every time under a particular set of conditions
Also called the independent variable
Is the sharing of ideas and experimental findings with others through writing and speaking
A experiment in which only one variable is manipulated at a time
Means making a forecast of what will happen in the future based on the past
is the study of matter and energy and how they interact
Factors that can change in an experiment
Skills scientists use to observe the world
When you explain or interpret things you observe
Deals with a number or amount
Thinking and questioning can be the start of this process
The variable that is changed to test the hypothesis
Deals with descriptions that cannot be expressed as number
Is the study of the properties of matter and how matter changes
Are facts, figures, and other evidence gathered through observations