Vocabulary Quiz
Week 1 - Aug. 12
1. Air mass – a large body of air that has similar temperature and moisture throughout
2. Atmospheric pollution - solid, liquid, or gaseous materials that occur in the troposphere in quantities in excess of normal amounts--they may result from both human and natural processes. *(USDA Forest Service)
3. Conduction – the transfer of thermal energy from one material to another by direct contact; conduction can also occur within a substance
4. Fair (weather) - not stormy or foul *(Webster)
5. Instrument - a measuring device for determining the present value of a quantity under observation *(Webster)
W Week 2 - Aug. 19
1. nonliving - not alive
2. protozoa - animal like protists that are single-celled consumers
3. stigma - the tip of the pistil of a flower
4. air pollution - environmental contamination of the air from man-made waste *(Webster)
5. atomic number - the number of protons in the nucleus of an atom
W Week 3 - Aug. 26
1. coniferous tree - a tree that produces seeds in cones
2. fat - kind of organic compound that makes up part of a cell membrane, stores excess food energy for an organism, helps insulate an organism, and has many other roles
3. interaction - mutual or reciprocal action or influence *(Webster)
4. nonrenewable - a natural resource that cannot be replaced or that can be replaced only over a long time
5. ray - a beam of radiant energy (as light) of small cross section *(Webster)
Week 4 - Sept. 161. algae - protists that convert the sun's energy into food through photosynthesis
2. symbol - an arbitrary or conventional sign used in writing or printing relating to a particular field to represent operations, quantities, elements, relations, or qualities *(Webster)
3. balance - an instrument for weighing: as a: a beam that is supported freely in the center and has two pans of equal weight suspended from its ends b: a device that uses the elasticity of a spiral spring for measuring weight or force *(Webster)
4. fertilized - to make fertile *(Webster)
5. convection - the transfer of thermal energy by the circulation or movement of a liquid or gas
Week 5 - Sept. 30
1. ion - an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons *(Webster)
2. Northern Hemisphere - the half of the earth that lies north of the equator *(Webster)
3. tidal forces - the alternate rising and falling of the surface of the ocean and of water bodies (as gulfs and bays) connected with the ocean that occurs usually twice a day and is the result of differing gravitational forces exerted at different parts of the earth by another body (as the moon or sun) *(Webster)
4. reaction - the force that a body subjected to the action of a force from another body exerts in the opposite direction *(Webster)
5. amber - a hard yellowish to brownish translucent fossil resin that takes a fine polish *(Webster)
Week 6 - Oct. 7
1. battery - a group of two or more cells connected together to furnish electric current; also : a single cell that furnishes electric current *(Webster)
2. current - a tidal or nontidal movement of lake or ocean water *(Webster)
3. fixed orbit - a path described by one body in its revolution about another not subject to change or fluctuation *(Webster)
4. kelp - any of various large brown seaweeds *(Webster)
5. nuclear - of or relating to the atomic nucleus *(Webster)
Week 7 - Oct. 14
1. recycling - to reuse or make (a substance) available for reuse for biological activities through natural processes of biochemical degradation or modification *(Webster)
2. O₂ - a reactive element that is found in water, in most rocks and minerals, in numerous organic compounds, and as a colorless tasteless odorless diatomic gas constituting 21 percent of the atmosphere, that is capable of combining with all elements except the inert gases, that is active in physiological processes, and that is involved especially in combustion *(Webster)
3. anatomy - a branch of morphology that deals with the structure of organisms *(Webster)
4. body fat - animal tissue consisting chiefly of cells distended with greasy or oily matter *(Webster)
5. cyclone - a storm or system of winds that rotates about a center of low atmospheric pressure, advances at a speed of 20 to 30 miles (about 30 to 50 kilometers) an hour, and often brings heavy rain *(Webster)
Week 8 - Oct. 28
1. fluorine - a nonmetallic halogen element that is isolated as a pale yellowish flammable irritating toxic diatomic gas *(Webster)
2. lichen - the combination of a fungus and an alga that grows intertwined and exists in a symbiotic relationship
3. oak - any of a genus (Quercus) of trees or shrubs of the beech family that produce acorns *(Webster)
4. region - a broad geographic area distinguished by similar features (1): a major world area that supports a characteristic fauna (2): an area characterized by the prevalence of one or more vegetational climax types *(Webster)
5. trace elements - a chemical element present in minute quantities *(Webster)
Week 9 – Nov. 11
1. animal cell - basic unit of structure and function in an animal
2. boiling point - temperature at which a substance changes from a liquid state to a gaseous state
3. decomposer - simple organism, such as bacteria or fungus, that breaks down dead organisms and waste, returning important nutrients to the environment
4. focal point - point at which rays (as of light, heat, or sound) converge or from which they diverge or appear to diverge *(Webster)
5. limited resources - restricted source of supply or support *(Webster)
Week 10 - Nov. 18
1. ore - a naturally occurring mineral containing a valuable constituent (as metal) for which it is mined and worked *(Webster)
2. artesian well - a well in which water is under pressure; especially : one in which the water flows to the surface naturally *(Webster)
3. renewable resource - resources that can be renewed or replaced by nature, such as food crops and solar energy
4. transmission - passage of light through matter
5. boundary - something that indicates or fixes a limit or extent *(Webster)
Week 11 - Dec. 1
1. dehydrate - to lose water or body fluids *(Webster)
2. food pyramid - an ecological hierarchy of food relationships in which a chief predator is at the top, each level preys on the next lower level, and usually green plants are at the bottom *(Webster)
3. liter - unit of liquid volume used with the SI system
4. organelle - structure in the cytoplasm of a cell that carries out cell activities
5. reservoir - an artificial lake where water is collected and kept in quantity for use *(Webster)
Week 12 - Dec. 9
1. ultraviolet - part of the electromagnetic spectrum, which is invisible to humans
2. calcium - a silver-white divalent metallic element of the alkaline-earth group occurring only in combination *(Webster)
3. dense - having a high mass per unit volume *(Webster)
4. formula - a symbolic expression of the chemical composition or constitution of a substance *(Webster)
5. long-range effect - something that inevitably follows an antecedent (as a cause or agent) and is studied over a course of months or years
Week 13- Jan. 6
1. ounce- A unit of weight which equals 1/16 of a pound.
2. resource- something from nature that people can use.
3. vacuum- a space which is absolutely empty.
4. carbon- A nonmetallic element that occurs as a powdery noncrystalline solid.
5. deposition- act of falling and settling(as sediment)
Week 14 -
1. freezing point -the temperature at which a liquid changes into a solid.
2. lymphatic system- a collection of organs that collect extracellular fluid and return it to the blood.
3. overcrowding - more population than resources are available.
4. SI system- standard system of measurement.
5. valley - low land between two ranges of hills or mountains.
Week 15 -
1. centi - 1/100
2. disease- a condition of ill health
3. frequency- number of wave vibrations produced in one second.
4. magnetic- capable of being attracted to a magnet.
5. ovule- contains a egg inside a ovary.
Week 16-
1. satellite - object that revolves around a larger object in space.
2. vein - vessel that carries blood toward the heart.
3. centimeter - 1/100 of a meter
4. dominant- in a pair of alleles, the one that, of present, determines the trait.
5. fresh water- water on the surface of the earth that does not contain salt.
Week 17-
1. mass number- the sum of the protons and neutrons in a atom.
2. pan- part of balance that holds object.
3. saturation point- the temperature at which the air will hold no more water.
4. virus- any of a variety of microscopic organisms which cause disease.
5. centriole- cylindrical structures that are copied during mitosis.
Week 18-
1. dry ice- solidified carbon dioxide
2. front- place where two air masses of different temperatures and pressures meet.
3. measurable- can be measured.
4.parasitism- relationship between species in which one species (parasite) benefits and the other (host) is harmed but not usually killed.
5. scale- weighting device
Week 19 -
1. visible spectrum- all the colors of light that you can see.
2.chloroplast- a structure in a plant cell that contains chlorophyll.
3. electron affinity- an attractive force between substances or particles that causes them to enter into and remain in chemical combination
4. genetic material- subunits of genes not limited to DNA.
5. melting point- temperature at which a substance changes from the solid state to the liquid state.
Week 20 -
1. warm front- leading edge of a warm air mass moving in to replace a cold air mass.
2. cold front - leading edge of a cold air mass that is pushing a warm air mass.
3. endoplasmic reticulum - structure in a cell that is involved in making proteins and transporting materials.
4. glucose- simple sugar made by plants through the process of photosynthesis.
5. mercury barometer- an instrument for measuring atmospheric pressure. The instrument contains an evacuated and graduated glass tube in which mercury rises or falls