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Science Vocab.
Vocab. for Science
| Term | Definition |
|---|---|
| hypothesis | -An explanation based on observed facts or an idea of how things work.(Must be testable) |
| ethics | -A person's sense of right and wrong. |
| evidence | -Information and facts that help prove something. |
| observation | -Information you get through your senses. |
| inference | -Logical conclusions based on observations. |
| clinical trial | -Research done on medicine to see if it is safe and effective. |
| control group | -A group in an experiment that is not tested and is used for comparison. |
| placebo | -A fake medicine given to the control group in a clinical trial. |
| sample size | -The number of people in a clinical trial. |
| informed consent | -Patients are informed of risks and they agree to participate in a study. |
| placebo effect | -Patients believe that they are getting a medicine but they aren't and they get better. |
| dependent variable | -The variable in an experiment that is measured. |
| independent variable | -The variable in an experiment that is being tested. |
| controlled variable | -The variable(s) in an experiment that are controlled/kept the same. |
| reproducible | -An experiment that produces similar results each time. |
| variable | -Something in an experiment that can change. |
| qualitative data | -Descriptive information using words only. |
| quantitative data | -Numerical information that is measured or counted. |
| ecology | -The study of how living things interact with one another and their environment. |
| organism | -A living thing. |
| population | -A group of individuals that belong to the same species and live in the same area. |
| fluctuate | -To rise and fall. |
| food chain | -A diagram showing a/one particular example of feeding relationships in an ecosystem. |
| food web | -A diagram showing all feeding relationships in an ecosystem. |
| predator | -An animal that hunts and eats other animal(s) for food. |
| prey | -An animal that is hunted for food. |
| producer | -An organism that makes its own food through photosynthesis. |
| consumer | -An organism that eats other living things for energy. |
| trophic level | -A feeding level in a food chain or web. |
| energy pyramid | -A diagram that shows the available energy at each feeding level in an ecosystem. |
| decomposer | -An organism that breaks down dead organisms and recycles nutrients back into the environment. |
| cellular respiration | -The process of breaking down sugar in a cell to release energy. |
| carrying capacity | -The largest population an ecosystem can support over time. |
| limiting factor | -An environmental factor that prevents a population from increasing. |
| photosynthesis | -The process by which plants use energy from sunlight to convert carbon dioxide and water into food. |
| chloroplast | -The part of a plant cell that is the site of photosynthesis. |
| chlorophyll | -Green pigment in the chloroplast that captures light energy for photosynthesis |
| phenomenon | -A simple or amazing event related to how the world and universe work. |
| plausible | -An idea that makes sense and is consistent with observations and other evidence. |
| axis | -A imaginary line around which an object rotates |
| rotate, rotation | -To spin on an axis |
| lunar cycle | -A complete set of the moon's phases beginning with new moon, takes approx 29 1/2 days to complete |
| new moon | -Moon phase where none of the lighted side of the moon is visible from Earth |
| crescent moon | -Moon phase where less than half of the lighted side is visible from Earth |
| gibbous moon | -Moon phase where more than half but not all of the lighted side of the moon is visible from Earth |
| first quarter moon | -Moon phase where the moon is waxing and half of the moon's lighted side is visible from Earth |
| last quarter moon | -Moon phase where the moon is waning and half the lighted side is visible from Earth |
| full moon | -Moon phase where all of the lighted side is visible from Earth |
| waxing | -When the moon phase is getting bigger each night |
| waning | -When the moon phase is getting smaller each night |
| high tide | |
| low tide | |
| extereme tide |
Created by:
lli32
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