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Science Finial 2011
| Question | Answer |
|---|---|
| One of the first known classification systems was developed by | Aristotle |
| The science of classifyinf living things is | taxonomy |
| Into how mant kingdoms are organisms classified? | five |
| Viruses are made up of a piece of nucleic acid and a | protien coat |
| The Swedish botanist who is known as the father of modern taxonomy is | Carlus Linnaeus |
| The classification level made up of related spieces is called a | spieces |
| All the following are kingdoms except | viruses |
| The classification level made up of related classes is called a | phylum |
| Grouping things according to their similarities is called | phylum |
| Which of the following groups contains only one kind of organism? | speices |
| The system of giving each kind of organism a two-part scientific name was developed by | Linnaeus |
| Plantlike organisms that lack chlorophyll are | fungi |
| Unicellular organisms that have a nuclus are | protists |
| A virus can enter a cell and do what | give off an enzyme, remain dormant, or cause a disese |
| A bacteriphoge is a virus that infects | bacterial cells |
| Viruses only can reproduce | inside a living cell |
| ONe way viruses are classified is by their type of | nuleic acid |
| All the following describe monerans except | euglena |
| The classification group made up of related phyla is called a | kingdom |
| Genetic material is coiled and located in one region in | monerans |
| Plants that have soft, green tems are called | herbaceous |
| As a result of decreaseing amounts of daylight and cooler tempertures in autumn, leaves | change color and stop makeing chlorphyll |
| The gree leaf-like parts at the bottom of a flower are | sepals |
| Parrellel veins in their leaves and fibrous roots are fetures of | monocots |
| Stomata are opened and closed by | Gaurd Cells |
| A roots surface area is greatly increased by ougrowths called | root hairs |
| In flowers, the parts that produce pollen grains are called | anther |
| in flowers, the transfer of pollen to the stigma is called | pollination |
| THe main function of flowers is to aid in a plant's | reproduction |
| Cycads and gingkos are 2 groups of | gymnosperms |
| Gymnosperms are woody land plants that do NOT have | covered seeds |
| The green pigment that traps energy from the sun is called | chlorphyll |
| Gymnosperms that produce seeds in cones and have needles are | conifers |
| Flowering plants are called | angiosperms |
| A seed plant with 2 cotyledons is a | dicot |
| A mature ovary and its seeds is called a | fruit |
| Flowers are organs of | sexual reproduction |
| The seed structure that provides food for the developing plant is a | cotyledon |
| All the following are jobs of the root except | makeing food |
| A taproot system has | one large root |
| Water and minerals are carried up from the roots of a plant by the | xylem |
| THe flowers of angiosperms produce | seeds and fruits |
| The main reproductive organs in a flower are the stamens and the | pistils |
| Pollination between flowers on different plants is | cross pollination |
| The leaf pigments that are responible for the yellow and orange colors are the | carotenoids |
| Any Substance that enters into a chemical reaction is called | reactant |
| The number that describes how many molecules of a substance are involved in a chemical reation is a | coefficent |
| A chemical reaction in which a uncombined element replaces an element that is part of a compund is called a | single-replacement reaction |
| An expresstion in which symbols and formulas are used to represent a chemical reaction is called | chemical equation |
| When a chemical reaction occurs | new substances are formed |
| When 2 substances combine chemically, the properties of the products are | different from the proporties of the reactants |
| In the formula 5CaSO4, the total number of sulfer atoms present is | five |
| Which 2 types of reactions could be considered oppisites? | synthesis and decompostion |
| The number placed below and elemnt's symbol in a formula is called a | subscript |
| An increase in temperture will usually cause the rate of chemical reaction to | increase |
| In a chemical equation, nymbers often appear in front of a chemical formula. These numbers tell you | number of molecules or atoms of each substance in a reaction |
| In a chemical reactions, what does the Principle of Conservation of Mass mean? | matter is not created or destroyed |
| The substance listed on the left side of a chemical eaquestion are the | reactants |
| A chemical equation is made up of the formulas for the reactants and products seperated by an | arrow |
| A chemical equation that shows the same number of each kind of atom on both sides of the eaquation is said to be | balenced |
| The only sure evidence for a chemical reaction is | the production of 1 or more substances |
| Which of the following is said to occur when atoms of an elemnt gain electrons? | reduction |
| A common lubricant in a car's engine is | oil |
| The forward force that helps a plane take off is called | thrust |
| Universal gravatation was discovered by | Newton |
| All the following are forces except | mass |
| As you increase the septh of an object underwater, the water pressure on the object | increases |
| The air pressure at the top of a mountain is higher that the air pressure | on an orbital satellite |
| Lubricants are used to | increase friction |
| The weight of an object tells you | how heavy it is |
| In order to find the amount of pressure exerted on an object you must divide | force by area |
| Steamlining an airplane reduces | drag |
| If the area remains the same, you can increase the amount of pressuse by | increaseing the force |
| The idea that all objects are attracted to one another is called | the Law of Gravity |
| Hail falls to the ground because of the force of | gravity |
| The force that opposes the downward motion of a falling object is called | air resistance |
| According to Bernoulli's Principle, as the spread of a fluid increases, its pressure | decreases |
| Sand is something spread on an icy surface in order to | increase friction |
| A car is traveling at 90km/hr when it suddenly stops. The passengers in the car will | continue to move in a straight line |
| No force is necessary to | keep an object doing what it is already doing |
| Balanced forces are | oppisite and equal |
| For every action, the reaction is | equal opposite |
| What happens when two forces act in the same direction | they add together |
| The tendency of an object to reddish change in it's motion is known as | inertia |
| The greater the mass of an object | the greater it's inertia |
| One way to increase acceleration is by | decrease the mass |
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