Which one is NOT a scientific attitude?
Curiosity
Creativity
Bias
Skepticism
Bias
100
What is bias?
A certain preference or view point that is personal
100
What is biology?
The study of life.
100
What is DNA?
A genetic code written in a molecule; your genetic make up
200
What is a hypothesis?
A scientific explanation for a set of observations
200
Why is creativity considered a scientific attitude?
Creativity helps scientists come up with different experiments.
200
Why must a scientist be skeptic?
They must question everything they observe or current ideas.
200
What are the smallest objects scientists study?
Cells or molecules?
Molecules
200
What is DNA most concerned with?
Matter and energy or information and heredity?
Information and Heredity
300
Measurements made while observing a plant grown 3 cm over two weeks is an example of...
Data
300
Who reviews articles for peer-reviewed journals?
Anonymous and independent experts.
300
Can a theory change over time? Why or why not?
Yes; No theory is considered actual truth. Data can change a theory.
300
What is a stimulus?
A signal to which a living things react
300
What is homeostasis?
When conditions inside an organism are kept with in certain limits.
400
What is a controlled experiment?
An experiment where only one variable is changed.
400
How does sharing ideas through peer-reviews articles help advance science?
Experiments in peer-reviewed articles do not to be repeated
or
Scientists reading the articles may come up with new questions to study
Scientists reading the articles may come up with new questions to study.
400
Which is NOT a way science influences society?
Science gives society answers to difficult ethical issues
or
Science advances technology that is useful to society
Science gives society answers to difficult ethical issues
400
What does the term biosphere mean?
"Living planet"
400
What is an example of stimulus?
Hunger, pain, etc.
500
What are the independent and dependent variables in this example?
Scientists added nitrogen fertilizer to marsh grass to compare amount of centimeters grown.
Independent variable: fertilizer
Dependent variable: amount cm grown
500
What is a theory?
A well tested explanation that accounts for a lot of observation or hypotheses.
500
What is a limitation of science?
It may be influenced by bias; does not include moral or ethical view points.
500
Cells in multicelluar organisms have many different sizes and shapes. These differences are called cell specialization. Cell specialization allows cells to do what?
Respond to their environment or perform different functions?
Perform different functions
500
What is an example of homeostasis?
Body temperature, body fighting a virus, body fighting an infection, etc.