What is the term for the use of one or more of your senses to gather information?
What is observation?
The step in scientific method that is a summary of what you've learned in an experiment.
What is conclusion?
A testable idea or explanation that leads to scientific investigation.
What is a(n) hypothesis?
An entomologist (bug scientist) wants to determine if changes in temperature are related to the number of times a cricket chirps. What is the independent variable?
temperature
What might cause a scientist to re-evaluate or change a theory?
the discovery of new evidence
collaboration and debate with other scientists
What scientific skill are you using when you base your reasoning on observations you've made?
Inference
When you collect data, what might you use to record quantitative data in an organized way?
data table
What is the term for a well-tested explanation for a wide range of observations or experimental results?
scientific theory
You want to measure the effect of different amounts of oxygen on the rate of yeast growth. What is the dependent variable?
Rate of yeast growth
The systematic study of the natural world.
What is science?
What is the general name for factors that you can change or keep constant in an experiment?
Variables
"For every action, there is an equal and opposite reaction."
Is this a theory or a law?
This is a law (Newton's Third Law) -- it describes a specific phenomena (happening, occurrence) in the natural world.
What is a scientific statement that describes an observed pattern without attempting to explain it?
Scientific law
Orchids were studied to determine if the amount of humidity affected the flowering of these plants. What is the dependent variable?
Effect on flowering
When we perform a lab, your chief concern is. . .
What is safety?
What do you call the factor that changes in response to the independent (manipulated) variable?
Dependent (Responding)
Why is the believe that the Earth is flat pseudoscience?
Name an example of a scientific model.
Answers vary.
You want to see if playing music makes plants grow taller. What is the independent variable?
Playing music
Name 3 traits scientists have in common.
What are:
. careful observations
. creativity
. curiosity
. logic
. objectivity
. skepticism
In a controlled experiment, how many variables do you change/manipulate at one time?
One
In the online lab "Effect of Environment on New Life Forms", if you change all three variables at the same time, is it a controlled experiment? Why or why not?
It is not a controlled experiment, because if you change more than 1 variable at at time, you won't know which one is the one that made the difference.
What do Earth scientists often use to represent complex objects or processes?
Models
NASA scientists want to see if salt will reduce the amount of ice and snow buildup on the runway. What is the dependent variable?
The amount of ice and snow buildup
If an accident occurs, who do you notify immediately?
Mrs. Howe or substitute teacher!