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