Term
| centimeter to inch conversion |
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Definition
xcm/2.54 = inches
ex: 1cm/2.54 = 0.3937inches |
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Term
| inch to centimeter conversion |
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Definition
xinch x 2.54 = cm
example:
1inch x 2.54 = 2.54cm |
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Term
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Definition
xg/28.35 = oz
example:
1g/28.35 = 0.0352oz |
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Term
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Definition
xoz x 28.35 = g
example:
1oz x 28.35 = 28.35g |
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Term
| 5 steps to scientific method |
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Definition
1. Observation
2. Question
3. Hypothesis/Predict
4. Experiment/Test Prediction
5. Analyze Data |
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Definition
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Term
List 13 Levels of Organisation for life
Simple to Complex |
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Definition
1. Subatomic
2. Atomic
3. Molecule
4. Organelle
5. Cell
6. Tissue
7. Organ
8. Organ System
9. Organism
10. Population
11. Community
12. Ecosystem
13. Biosphere |
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Term
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Definition
| the protons, nuetrons and electrons that make up an atom |
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Term
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Definition
| made up of subatomic particles. Combine they make up molecules |
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Term
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Definition
example: DNA, Water (H20)
comprised of atoms. combine to make Organelles. |
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Term
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Definition
example: nucleus
simple level of life comprised of molecules. combine to make up Cells |
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Term
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Definition
Example: nerve cell
comprised of organelles (nucleus).
The point at which the properties of life emerge. The lowest level of structure that can perform all the activities required for life. Combines with other cells to make tissue |
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Term
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Definition
example: Nervous tissue
slightly more complex level of life than the cells it is made up of. combined to make Organs |
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Term
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Definition
Example: brain
comprised of Tissue. combined with other organs to create an organ system |
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Term
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Definition
example: nervous system
comprised of organs. combined with other organ systems to create an organism. |
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Term
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Definition
example: ring-tailed lemur
comprised of organ systems. combined with other identical organisms to create a population. |
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Term
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Definition
Example: group of ring-tailed lemurs
identical organisms. combined with other organisms in the same geographic area to create a Community. |
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Term
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Definition
Example: organisms in the forest
comprised of many different organisms in the same geographic area - includes animal and plant life. combined with all non living things in the same geographic area to create an Ecosystem |
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Term
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Definition
Example: forest in madagascar
the combination of all geographicall-related organisms and non living environment. combined with all other ecosystems to create the Biosphere. |
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Term
| 7 features all life shares |
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Definition
1. order
2. reproduction
3. growth and development
4. energy processing
5. response to environment
6. regulation
7. evolutionary adaptation |
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Term
| define order as it pertains to life |
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Definition
| all life has a highly ordered structure. |
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Term
| define reproduction as it pertains to life |
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Definition
| all living organisms reproduce their own kind. |
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Term
| define growth and development as it pertains to life |
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Definition
| inherited information in the form of DNA controls the pattern of growth and development for all living organisms. |
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Term
| define energy processing as it pertains to life |
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Definition
| all living things process energy to use for its own activities and chemical reactions. |
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Term
| define response to environment as it pertains to life |
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Definition
| all living organisms respond to environmental stimuli. They exchang matter and energy and are consumers and decomposes of the ecosystem |
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Term
| define regulation as it pertains to life |
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Definition
| all living organisms have mechanisms to maintain its internal environment, keeping it within limits that sustain life. |
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Term
| define evolutionary adaptation as it pertains to life |
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Definition
| all living organisms adapt over time, passing on successful traits to their offspring. |
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Term
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Definition
| the structural and functional units of life |
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Term
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Definition
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Term
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Definition
Evolution is biology's core team. Making sense of how life has evolved on earth.
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Term
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Definition
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Term
Classification of Organisms by Domain:
list three |
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Definition
Bacteria
Archceae
Eukarya |
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Term
| characteristics of bacteria |
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Definition
Kingdom:
Cell Type: Prokaryotic
Cell Number: unicellular
Energy Aquisition: absorption; photosynthesis
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Term
| characterisitics of Archaea |
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Definition
Kingdom:
Cell Type: Prokaryotic
Cell Number: unicellular
Energy Aquisition: absorption |
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Term
| Characteristics of Eukarya |
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Definition
Kingdom: Protists, Plantae, Fungi, Animaila
Cell Type: Eukaryotic
Cell Number: multicellular
Energy Aquisition: Fungi: Absorption, Plantae: Photosynthesis, Animaila: Ingestion |
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Term
| define emergent properties |
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Definition
| In life's hierarchy of organization, new properties emerge at each level. See change from organelles to cells and tissue to organ, organ system to organism. |
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Term
| define consumers of the ecosystem |
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Definition
| organisms that eat plants and other animals, release the enrgy in food. Also take in 02 and release C02 |
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Term
| define decomposes of an ecosystem |
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Definition
| the recyclers of an econsystem, changing complex matter into simpler mineral nutrients that plants can absorb and use. |
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Term
| lsit two major processes of a dynamic ecosystem |
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Definition
| 1. recycling of chemical ntrients and 2. the flow of energy. |
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Term
| define iductive reasoning |
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Definition
| coollectng an analyszing observations |
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Term
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Definition
| a proposed explanation for a set of obersrvations |
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Term
| define deductive reasoning |
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Definition
| the logic flows from general premsies to the specific results |
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Term
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Definition
| anything that occupies space and mass |
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Term
| in what three physical states is matter found on earth |
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Definition
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Term
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Definition
| a substance that cannot be broken down to other substances by ordinary chemical means. Currently there are 92 recognized elements that occur in nature. |
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Term
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Definition
| a substance consisting of two or more different elements conbined in a fixed ratio |
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Term
| what four elements make up 96% of the weight of the human body |
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Definition
| oxygen carbon, hydrogen and nitrogen |
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Term
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Definition
| elements that are essential, but only needed in minute quantities. |
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Term
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Definition
| the smallest unit of matter that still retains the properties of an element |
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Term
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Definition
| a subatomic particle with a single positive charge (+) |
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Term
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Definition
| a subatomice particle with a single negative charge |
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Term
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Definition
| a subatomic particle with no charge |
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Term
| where are neutrons, electrons and protons in the atom |
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Definition
| neutrons and protons are bunch tightly at the atoms central core (nucleus). the electron is found in orbit (called a shell)on the outer portion of the atom |
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Term
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Definition
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Term
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Definition
| the atomic numbers of an atom idicates how many protons it has |
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Term
| define an atom's mass number (atomic mass) |
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Definition
| the mass number is the sum of the number of protons and neutrons in an atom's nucleus. Therefore if you know the atomic number and the mass number you can calculate the number of neutrons |
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Term
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Definition
| atoms with the same number of protns, that behave identically in chemical reactions, but have differnt mass numbers. such as carbon 12 and carbon 14 |
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Term
| define radioactive isotope |
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Definition
| an isotope (atom) that is not stable and which nucleus decays spontaneously giving off particles and energy. |
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Term
| which subatomic particle is directly involved in the chemical activity of the atom |
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Definition
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Term
| what effects an electrons energy |
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Definition
| the farther away an electron is from the neuclus the more energy it has |
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Term
| what is the energy level of an electron called |
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Definition
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Term
| how many electrons can an electron shell hold |
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Definition
| the first shell of an atom can hold only two electrons, each subsequent shell can hold 8. the electrons on subsequent shells are evenly spaces until the shell contains four electrons, then they are paired |
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Term
| What is the stronges kind of chemical bond? |
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Definition
| a Covalent Bond in which two atoms share one or more pairs of outer-shell electrons. |
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Term
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Definition
| a bond in which two atoms share one or more pairs of outer-shell electrons |
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Term
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Definition
| two or more atoms held together by a covalent bond |
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Term
| How many covalent bond can an atom form? |
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Definition
| it depends on the number of additioan electrons needed to fill its outer or valence shell |
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Term
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Definition
| the outer electron shell of an atome |
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Term
| define the valence bonding capacity of an atom |
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Definition
| an atom can only form as many covalent bonds equal to the number of electrons it needs to fill its outer or valence shell |
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Term
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Definition
| each atom shares one electron |
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Term
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Definition
| each atom shares two electrons |
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Term
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Definition
| an atoms attraction for shared electrons |
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Term
| define nonpolar covalent bonds |
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Definition
| bonds in whcih electrons are shared equally between the atoms |
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Term
| define polar covalent bonds |
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Definition
| bonds in which electrons are not shared equally between to atoms causing the molecul to have a negative and a postive end. |
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Term
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Definition
| a molecule with a covalent bond that has an unequal distributio of charges creating a negative and positive end |
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Term
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Definition
| two ions of opposit charge held together by the attraction. The resulting compoun is electrically neutral |
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Term
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Definition
| a posiitively charged reiod made up on hydrogens |
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Term
| what do chemical reactions do? |
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Definition
| the make and break chemcial bonds |
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Term
| define the process of a chemical reaction |
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Definition
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Term
| can chemical reactions create or destroy matter |
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Definition
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