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Nature of Science
Scientific Method
Describing Matter
Measuring Matter
Changes in Matter
100
The factors that you change in an experiment.
What is independent variable?
100
The scientific process for solving scientific problems.
What is the scientific method?
100
Anything that takes up space and has mass.
What is matter?
100
The measurement of the amount of matter in an object.
What is mass?
100
Any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance.
What is a physical change.
200
The factor(s) that stay the same in an experiment.
What is the controlled variable(s)?
200
An educated guess.
What is hypothesis?
200
A characteristic of a pure substance that can be observed without changing it into another substance.
What is a physical property?
200
Grams and kilograms.
What are examples of the units of measure for mass?
200
A change in matter that produces one or more new substances.
What is a chemical change?
300
The output, something measured, depends on what is changed in an experiment.
What is the dependent variable?
300
An explanation based on observation and experimentation.
What is a theory?
300
A characteristic of a pure substance that describes its ability to change into different substances.
What is a chemical property?
300
The amount of space that matter occupies.
What is volume?
300
Solid to liquid to gas.
What is examples of changes of states of matter?
400
How close a measurement is to the true value.
What is accuracy?
400
A general statement that explains how nature behaves under certain conditions.
What is a scientific law?
400
Examples includes oxygen and sodium. They are pure substances that cannot be broken down into any other substances.
What is an element?
400
Relation or ratio of mass in a given volume.
What is density?
400
A combination of fuel with oxygen, produces heat.
What is combustion?
500
The exactness of a measurement.
What is precision?
500
Purpose, hypothesis, procedures, materials, data, conclusion.
What are the steps of the scientific method?
500
They are made up of two or more substances- elements, compounds, or both. Heterogeneous and homogeneous are examples.
What are mixtures?
500
Mass divided by volume.
What is the formula for density?
500
Slow combination of a substance with oxygen, rusting.
What is oxidation?