Quiz Lesson 1.1,0.02, &1.0

....is the confidence that can be placed in the truth of scientific findings.

• empirical speculation
• Accuracy

• Credibility

• theoretical ambiguity

molten rock that erupts on Earth's surface.

• magma
• ash
• lava
• pumice

What is accuracy ?

• Accuracy measures the speed of predictions.
• Accuracy is the total number of instances.
• a description of how close a measurement is to an accepted value.

  
  

• Accuracy is the difference between predicted and actual values.

independent variable

• the factor that is changed by the investigator to observe how it affects a dependent variable

• the factor measured or observed during an experiment

• the factors in an experiment that remain the same

is the act of using one or more of your senses to gather information and take note of what occurs.

• perception
• interpretation
• analysis
• observation

the layer of gases surrounding Earth.

• atmosphere
• stratosphere
• troposphere
• exosphere

What kind of data is shown in this example? The shark is 10 feet long.

• Quantitative Data

• Qualitative Data

Volcano

a vent in Earth’s crust through which molten rock flows.

• True
• False

the factor measured or observed during an experiment

• independent variable
• constant variable
• dependent variable
• controlled variable

the part of an experiment that contains the same factors as the experimental group, but the independent variable is not changed

• control group
• test group
• variable group
• experimental group