Science and Engineering Practice

Question 1

Scientific method

Answer 1

The way scientist study and learn about the world.

Question 2

Observation

Answer 2

Using your five senses to gather information about something.

Question 3

Qualitative Observation

Answer 3

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

Examples:

• smooth texture
• brightly colored
• smells bad

Question 4

Quantitative Observation

Answer 4

Using numbers or measurements to describe something.

Examples:

• 10 meters
• 450 millimeters
• 176 grams

Question 5

Inference

Answer 5

An explanation of an observation based on prior knowledge.

Question 6

Hypothesis

Answer 6

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

Question 7

Variable

Answer 7

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

Question 8

Control Variable

Answer 8

What must stay the same in the experiment.

Question 9

Manipulated/Independent Variable

Answer 9

The things that you are testing or changing in an experiment and it is graphed on the x-axis.

Question 10

Dependent/Responding Variable

Answer 10

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

Question 11

C-E-R

Answer 11

C-Claim ( Is the answer to the question you are trying to answer.)
E-Evidence ( Scientific data that supports your claim)
R-Reasoning ( The how or why the evidence supports our claim ; scientific rule.)

Question 12

Conclusion

Answer 12

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