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1/sci. investigation
| Question | Answer |
|---|---|
| what does observation mean? | observation is the act of noticing and describing what is happening in an orderly way. |
| what is science? | science is an organized way gathering and analyzing evidence about the natural world. |
| what's a hypothesis? | a hypothesis is a scientific explanation for a set of observations that can be tested. |
| what are the goals of science? | the goals of science are to give explanations for natural events,to understand patterns,and to make predictions. |
| what are the seven parts of scientific methodology? | scientific methodology involves observing and making questions,making inferences and forming hypotheses,doing controlled experiments,collecting and analyzing data,and drawing conclusions. |
| what scientific attitudes help make new ideas? | curiosity,skepticism,open-mindedness,and creativity help scientists come up with new ideas. |
| define theory. | theory is a well-tested explanation that accounts for a lot of observations and hypotheses and that lets scientists make good predictions. |
| bias | a certain preference or point of view that is personal,rather than scientific. |
| how are science and society related? | using science involves understanding its limitations and how it fits into society. |
| what is biology? | the study of life. |
| stimulus | a signal to which a living thing reacts. |
| DNA | all organisms store the information they need to live,grow, and reproduce in a genetic code written in a molecule called DNA. |
| metabolism | the chemical reactions through which a living thing builds up or breaks down materials. |
| homeostasis | the relatively constant internal physical and conditions that organisms maintain. |
| biosphere | the part of Earth in which life exists, including land,water, and air or atmosphere. |
| what are the biggest ideas of biology? | biology's big ideas are the cellular basis of life;growth,development,and reproduction;homeostasis;evolution;structure and function;unity and diversity of life;interdependence in nature; and science as a way of knowing. |
| how do different fields of biology differ in the way they study life? | biology is made up if overlaping fields that use different tools to study life from the level of molecules to the whole planet. |
| why is the metric system important in science? | most scientists use the metric system when collecting data and preforming experiments. |
| control group | the group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable. |
| controlled experiment | an experiment in which only one variable is changed. |
| data | evidence;information gathered from observations. |
| atom | the basic unit of matter. |
| nucleus | the center of an atom,which contains the protons and neutrons. |
| electron | a negetively charged particle;located in the space surronding the nucleus. |
| element | a pure substance that consists entirely of one type of atom. |
| isotope | one of several forms of a single element,each of which contains the same number of protons but different numbers of neutrons. |
| compound | a substance formed by the chemical combination of two or more elements in definite proportions. |
| ionic bond | a chemical bond formed when one or more electrons are transferred from atom to another. |
| covalent bond | a type of bond between atoms in which the electron are shared. |
| molecule | the smallest unit of most compounds that displays all the properties of that compound. |
Created by:
leavee
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