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DaphniaHydraJellyfish Class- Ification VocabPotpourri $200 $ 200 $ 200 $400 $ 400$400 $ 400$400 $600 $ 600$600 $ 600 $ 600 $ 600 $800 $ 800$800 800 $ 800 $ 800 $ 1000$1000 $ 1000 $ 1000 $ 1000 $ 1000
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Oxidation numbers Polyatomic ions Nucleus of the atom Groups Noble gases Compound s $ 400 $ 400 $ 400 $ 400 $ 400 $ 400 $ 800 800 $ 800 $ 800 $ 800 $ 800 $ 800 $ 1200 $ 1200 $ 1200 $ 1200 $ 1200 1200 $ 1200 $ 1600 $ 1600 $ 1600 $ 1600 $ 1600 $ 1600 $ 2000 $ 2000 $ 2000 $ 2000 $ 2000 $ 2000
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Final Jeopardy Famous Scientists
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Final Jeopardy Neils Bohr Scientist who proposed that electrons move around the nucleus in certain paths
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$200 Fresh water This is Daphnia’s habitat..
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$400 A jerky motion Dapnia moves in this way.
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$600 Algae or bacteria Microorganism eaten by Daphnia.
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$800 Excellent protection An advantage of having an exoskeleton.
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$1000 parthenogenesis Asexual reproduction in which eggs hatch without fertilization.
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$200 somersaults The way that Hydra moves in the water.
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$400 Enzymes or acids Substance produced by Hydra’s inner layer of cells in the digestive cavity.
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$600 diffusion This process is used to distribute nutrients throughout the Hydra’s body.
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$800 They lay eggs (sexually) Hydra reproduce this way in the winter due to the cold temperatures.
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$1000 Nerve net Part of Hydra that controls movement of muscles.
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$200 Salt water Jellyfish habitat.
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$400 water Jellyfish are composed of 95% of this substance.
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$600 Tentacles or nematocysts Structure used for hunting that Jellyfish have in common with Hydra.
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$800 Box jellyfish Type of Jellyfish that are extremely deadly.
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$1000 Low oxygen levels Conditions under which Jellyfish thrive, caused by dumping of chemicals in the ocean.
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$200 Crustacea Class of organisms with gills, 2 pair of antennae and many appendages.
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$400 Hollow bodies and tentacles Two characteristics shared by Cnidarians.
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$600 Arthropoda Daphnia is a member of this phylum.
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$800 Insecta Organisms in this class are related to Crustaceans but have wings and do not have gills.
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$1000 They lack freedom of movement/flexibility Disadvantage arthropods have regarding their exoskeletons.
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$200 Carapace Transparent exoskeleton found in Daphnia
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$400 Sting cell Type of cell on Hydra that contains a nematocyst.
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$600 Stimulant Substance that causes the heartbeat to increase.
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$800 Brood chamber Place where eggs are stored in Daphnia.
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$1000 Gills Structures used for gas exchange, found in Daphnia and other Crustaceans.
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$200 movement This is the function of Daphnia’s second antenna.
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$400 Portugese man-of-war Type of jellyfish that gives severe stings to humans, but is not usually lethal.
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$600 budding Method of reproduction found in Hydra and yeast.
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$800 bristles Structure found on legs of Daphnia, used to catch food particles.
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$1000 Alcohol (or depressant) Example of a substance that slows the heartbeat of organisms, including Daphnia.
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$400 + 1 sodium
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$800 Halogens
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$1200 0 He
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$1600 0 In order for a compound to be stable, the oxidation numbers must add up to this number
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$2000 Non metals Elements that tend to gain electrons easily are called
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$400 ammonium NH 4
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$800 hydroxide OH
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$1200 carbonate CO 3
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$1600 sulfate SO 4
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$2000 chlorate ClO 3
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$400 Atomic mass the sum of the protons and neutrons in an atom
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$800 protons All atoms of the same element contain the same number of ___________
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$1200 Gravitational, electromagnetic, strong, weak Name two of the four forces holding the atom together.
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$1600 quarks Protons and neutrons are actually composed of these smaller particles
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$2000 neutrons Carbon-14 is different from carbon-12 because it has 2 more of these particles in its nucleus
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$400 families The vertical columns of the periodic table are called groups or
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$800 halogens Group that includes fluorine, chlorine, bromine, iodine and astatine
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$1200 Alkali metals Group that contains lithium, sodium, potassium, rubidium, cesium and francium
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$1600 Boron group Group that contains B, Al, Ga, In and Tl
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$2000 halogens The only group that contains all three states of matter
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$400 Non metals All of the noble gases are (metals, non metals)
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$800 argon An element in this group that is used in light bulbs
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$1200 18 Group number
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$1600 8 This group is unreactive because most of the elements have this number of valence electrons
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$2000 inert Another name for the noble gases
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$400 valence An atom’s chemical reactivity is determined by its number of these kind of electrons
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$800 8 The total number of atoms in a molecule of Na 3 PO 4
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$1200 covalent This type of bond forms between S and O
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$1600 +2 In the compound, ZnI 2, the oxidation number of Zn
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$2000 water Common name for H 2 O
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Daily Double sublimation The phase change that occurs when a solid changes directly into a gas
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Daily Double CaCl 2 The chemical formula for calcium chloride
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Daily Double helium The only noble gas that has less than 8 valence electrons
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The Jeopardy champion!
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