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normal definitions
| Answer | Question |
|---|---|
| experiment (1.) | 1. procedure performed in a controlled setting to test a hypothesis and collect precise data |
| control group (1. - what | 1. the group that remains untreated in the experiment 2. the group under normal conditions 3. does not receive independent variable |
| control group (1. , 2. , 3.) | 1. the group that remains untreated in the experiment 2. the group under normal conditions 3. does not receive independent variable |
| variable (1. , 2.) | 1. fancy word for something that changes during an experiment 2. VARY = DIFFER |
| independent variable (1. , 2.) | 1. the factor that is intentionally changed during an experiment 2. x axis |
| dependent variable (1. , 2.) | 1. the factor that changes as a result of the experiment 2. y axis |
| constant (1.) | 1. a factor that stays the same during an experiment |
| hypothesis (1.) | 1. a testable explanation that can be supported after the control variable is performed correctly |
| qualitative data (1.) | 1. describes the way something looks; by a characteristic example: the wall is gray |
| quantitative data (1.) | 1. describes something using a number example: there are 14 walls |
| metabolism (1.) | 1. the sum of all chemical reactions in a cell; uses energy |
| homeostasis (1.) | 1. maintaining a stable internal environment despite changes in an external environment |
| cells and organization (1. , 2.) | 1. the basic unit of structure and function 2. living beings are organized from the atomic level up |
| growth and development (1.) | 1. living things change/increase in size and complexity over time |
| reproduction (1.) | 1. the ability to produce offspring (passing of genetic information) |
| response to stimuli (1.) | 1. immediate change in behavior in response to an external factor |
| evolution/adaptation (1. , 2.) | 1. adaptation to external factors that provide an advantage to the organism 2. occurs at the level of a population |
| viruses (1. , 2. , 3. , 4.) | 1. have DNA and RNA 2. are organized 3. contains nucleic acid 4. fail all other characteristics of life |
| what are the 3 classifications of matter? (1. , 2. , 3.) | 1. elements 2. compounds 3. mixtures |
| element (atom) (1. , 2.) | 1. a pure substance that cannot be broken down into any simpler or stabler substances 2. made of one type of atom |
| in the structure of a lithium atom, what are the 2 things inside of the nucleus? (1. , 2.) | 1. proton (positively charged particle) 2. neutron (neutrally charged particle) |
| in the structure of a lithium atom, what is the 1 thing in outer orbitals? (1.) | 1. electron (negatively charged particle) |
| carbon (C) (1. , 2. , 3.) | 1. contains 4 outer electrons 2. because of this, it can make 4 bonds 3. this makes it very versatile |
| compound (1.) | 1. a substance made of 2 or more elements that are chemically bonded together |
| ionic bond (1.) | 1. atoms held together by donated electrons |
| covalent bond (1.) | 1. atoms held together by shared electrons |
| polar covalent bond (1.) | 1. electrons shared unequally (pull) |
| non-polar covalent bond (1.) | 1. electrons shared equally (no pull) |
| hydrogen bond (1.) | 1. molecules held together by weak interactions |
Created by:
woodmil000
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