| A | B |
|---|
| barometer | an instrument for measuring the pressure of the atmosphere |
| thermometer | an instrument for measuring temperature |
| hygrometer | an instrument used to measure the amount of water vapor in the air |
| telescope | a tubular instrument that works by refracting or reflecting light rays |
| microscope | an instrument consisting of a lens to view minute objects |
| weather vane | an instrument used to measure wind direction |
| anemometer | an instrument used to measure the speed of wint |
| pH monitore | an instrument used to determine acidity or alkalinity of a substance |
| oscilloscope | an instrument for measuring electrical quantity |
| rain gauge | an instrument used to measure liquid precipitation |
| carnivore | an animal that eats flesh (meat) |
| herbivore | an animal that eats plants |
| parasite | an organism that lives on or in an organism of another species |
| producer | an organism that is able to produce its own food |
| scavenger | an animal that feeds on dead organic matter |
| decomposer | an organism, usually bacterium or fungus, that breaks down the cells of dead plants and animals into simplier substances |
| predator | an organism that exists by preying upon other organisms |
| carcinogen | a substance that tends to produce a cancer |
| horizontal | parallel to or in the plane of the horizon |
| vertical | perpendicular to the plane of the horizon |
| astro | having to do with a star |
| chromo | having to do with color |
| chrono | having to do with time |
| micro | very small in scale |
| macro | very large in scale |
| geo | having to do with the earth |
| meter | having to do with measuring |
| therm | having to do with heat |
| hydro | having to do with water |
| sphere | round in shape |
| ecologist | a scientist who studies the relationships and interactions between organisms |
| geneticist | a scientist who studies heredity |
| physicist | a scientist who studies physics |
| biologist | a scientist who studies life and living organisms |
| zoologist | a scientist who studies animals |
| geologist | a scientist who studies the origin, history and structure of the earth |
| botonist | a scientist who studies plants |
| oceanographer | a scientist who studies the ocean and its phenomena |
| biochemist | a scientist who studies the chemistry of living matter |
| entomologist | a scientist who studies insects |
| red blood cells | disk-shaped cells in the blood that contains hemoglobin |
| white blood cells | colorless cells in the blood that fight infection |
| plasma | the liquid part of the blood |
| platelets | cell fragments found in the blood that function in clotting the blood |
| hemoglobin | the pigment that gives blood its color and carries oxygen to the tissues |
| aorta | the main artery of the circulatory system that carries blood from the heart |
| capillaries | tiny blood vessels connecting arteries and veins and forming networks in the body |
| vena cava | one of tghe large veins by which the blood is returned to the heart |
| arteries | vessels that carry blood away from the heart |
| veins | vessels that carry blood back to the heart |
