Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Properties of living things. |
Reproduction, growth and development, energy use, order, cells, response to the environment, evolution. |
|
|
|
Is a virus a living thing? |
No, it does not have cells and cannot reproduce. |
|
|
|
How is life studied in many levels? |
Biosphere, ecosystem, community, population, organism, organ system, organ tissue, organelle, cell, molecule, atom. |
|
|
|
Biosphere |
Consists of all life on earth. |
|
|
|
Ecosystem |
Consists of the living and nonliving components. |
|
|
|
Community |
Consists of all the interacting populations in an ecosystem, |
|
|
|
Population |
Is a group of interacting individuals of one species. |
|
|
|
Cell |
The fundamental unit of life. |
|
|
|
Molecule |
Is a group of atoms bonded together. |
|
|
|
Hypothesis |
Is a proposed explanation to a question that can be investigated. |
|
|
|
Scientific method |
Is a series of steps that can provide insight about the natural world. |
|
|
|
What's the difference between a hypothesis and a theory? |
A hypothesis is a proposed explanation for an observation and a theory is a much broader explanation, well substantiated and comprehensive. |
|
|
|
Controlled experiment |
Is a test is run multiple times with only one variable changing. |
|
|
|
Independent variable |
Is what is being manipulated as a potential cause. |
|
|
|
Dependent variable |
Is the response, output, or effect under investigation. |
|
|
|
Negative control |
Is a group for which no change is expected. |
Changing the oven. |
|
|
Positive control |
Is a group for which a change is expected. |
Doubling the amount of butter. |
|
|
Blind experiment |
Information is withheld from participants (single handed) or from both participants and experimenter (double blind). |
|
|
|
Placebo effect |
Is a phenomenon in which a patient feels better after nearly believing treatment was given, even if none actually was given. |
|
|
|
Science |
Is one way of knowing the world. |
|
|
|
Pseudoscience |
Is any field of study that is falsely presented as having a scientific basis. |
|
|
|
Peer review |
Is the evaluation of work by impartial, qualified, often anonymous experts who are not involved in that work. |
|
|
|
Primary source |
Is original material presented for the first time by the person who performed the research. |
|
|
|
Secondary source |
Is a description or review of promary sources, often containing commentary. |
|
