Chapter 9 Science Vocabulary

What is a Variable?

• a single factor that is isolated and tested in an experiment. Could be changed or not changed.

• Information using the senses to describe observations.

• Based on attitudes, beliefs, or opinions instead of verifiable evidence

• an explanation that ties together many hypotheses and observations

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What is Quantitative Data?

• information capable of being measured, how much, how many, written in numbers.

• Information using the senses to describe observations.

• Number of times an experiment is repeated for each level, or value, of the independent variable.

• An Investigation Based on Facts

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What is Qualitative Data?

• information capable of being measured, how much, how many, written in numbers.

• Information using the senses to describe observations.

• a representation of an object or system

• an individual group kept constant and is a standard of comparison in the "natural" state.

A Push or a Pull acting on an object is known as...

• Atoms

• Factor

• Force

• Acceleration

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A testable explanation based on observation, experience, or scientific reasoning

• Hypothesis

• Inference

• Matter

• Claim

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What is a Constant?

• variable that the investigaor chooses to change in an experiment

• the variable that may change as a result or a response.

• an individual group kept constant and is a standard of comparison in the "natural" state.

• all the variables in the experiment that are kept the same through all trials.

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When the Earth goes around the Sun, it is called a...

• Rotation

• Revolution

• Constant

• Pattern

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When the Earth spins on it's axis it is called a...

• Factor

• Revolution

• Rotation

• Pattern

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What is the process called where rock is dissolved, worn away or broken down into smaller and smaller pieces?

• changing

• weathering

• erosion

• oxidation

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When oxygen in the air reacts with iron, the process is...

• Abrasion

• Weathering

• Oxidation

• Infiltration

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