Science and Engineering Practices Flashcards

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1
Q

Scientific Method

A

The way scientist study and learn about the world.

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2
Q

Observation

A

Using your five senses to gather information about something.

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3
Q

Qualitative Observation

A

Using your senses to describe the characteristics of an object-color, texture, taste.

Examples

  • Smooth texture
  • Brightly colored
  • Smells bad
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4
Q

Quantitative Observation

A

Using numbers or measurements to describe something

Example:

  • 10 meters
  • 450 milliliters
  • 176 grams
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5
Q

Inference

A

An explanation of an observation based on prior knowledge.

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6
Q

Hypothesis

A

A prediction based on prior knowledge. Always written in an if then statement.

Example:
IF I put the ice cube in the sun, THEN the ice cube will melt.

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7
Q

Variable

A

Any factor that can be manipulated, controlled for, or measured in an experiment.

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8
Q

Conclusion

A

A written summary of an experiment that uses evidence to prove what you learned.

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9
Q

Control Variable

A

What must stay the same in the experiment

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10
Q

Manipulated/Independent Variable

A

The thing that you are testing or changing in an experiment and it is graphed on the X-axis

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11
Q

Dependent/ Responding Variable

A

What you are measuring or observing in an experiment and it is graphed on the Y-axis.

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12
Q

C-E-R

A

Claim, evidence, and reasoning.

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13
Q

Claim

A

Claim is the answer to the question you are trying to answer

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14
Q

Evidence

A

Scientific data that supports your claim or the claim.

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15
Q

Reasoning

A

The how or why the evidence supports our claim; scientific rule.

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