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PCS Liv Env
Vocabulary 2016 #1
Term | Definition |
---|---|
acid | substance with a pH that is lower than 7 (pH of 1 is stronger than pH of 6) |
amino acids | small units connected together to form proteins |
atoms | smallest unit of matter |
carbohydrates | compounds made of carbon, hydrogen or oxygen and used for energy in cell |
chemical bonds | atoms are connected together by these which store energy |
compound | the result of different atoms connected together |
dependent variable | data collected in an experiment (Hint: D = data) |
element | pure substance which consists of one type of atom |
excretion | getting rid of an organism's metabolic waste |
hypothesis | statement made before an experiment which predicts the outcome of the experiment |
independent variable | variable that I control (Hint: I = independent) |
inference | using prior knowledge to figure something out |
lipids | fats, oils, waxes |
nucleic acids | DNA and RNA |
nutrition | getting and using materials from the environment |
observation | using your senses to gather information |
organic | molecules which contain both C (carbon) and H (hydrogen) |
regulation | life function of controlling the cell's activities |
respiration | process of releasing energy molecules from food |
synthesis | connecting small molecules into large molecules |