2 #1 Which are observations and which are inferences? Mass of 5.5 gHeavy rockSmell of sulfur in the airBeaker water = 57oCGerbil is scared of LarryObservationInferenceObservations: use senses, toolsInferences: based on opinions, experiences
3 Which is an INFERENCE and which is an OBSERVATION? The penguin is black and whiteThe penguin acts like a duckThe penguin is cuteThe penguin is eating fish.ObservationInference
4 #2 Qualitative or Quantitative? Shiny shell28 crabs on the sandWater Temp. = 30oCSand too hotQualitativeQuantitativeQuantitative: numbersQualitative: description
5 #3 Match Parts of Scientific Method Problem StatementHypothesisExperimentConclusionIf and then…Agree or disagree with hypothesisData tables, graphsWhat is the effect of…?
6 Match Parts of Scientific Method Problem StatementHypothesisExperimentConclusionIf and then…Agree or disagree with hypothesisData tables, graphsWhat is the effect of…?
7 #4 Which are constants, which are controls? Same beaker in each trialSet-up of room temperature as compared to hot and coldSame crickets for each trialConstantControlconstant
8 #5 HOW MANY VARIABLES DO YOU TEST AT A TIME IN AN EXPERIMENT? OneTwoThreeAs many as you wantANSWER: ONE
9 Identify the variables? Which is the independent variable?Which is the dependent variable?
10 Identify the variables? Which is the independent variable? (x-AXIS) temperatureWhich is the dependent variable?(y-AXIS)Log. Generations per hour
11 Which part of the experiment… Does not contain the tested variable?A. controlB. constantC. independent variableD. dependent variable?ANSWER: control ( reference area)CONSTANTS-all things that stay the same
12 #6 Convert the following: 45 km =____dm45 km = 450,000 dm7000 cm = _____hm7000 cm = hmKm hm dkm (m) dm cm mm
13 #7 Which is a HYPOTHESIS and which is a THEORY. If you put cold water in a fish tank, then fish will slow down.All cells come from pre-existing cells.Used to direct one experiment.Formed from many tests-trusted.HypothesisTheory
14 #8 Asexual or sexual reproduction? Two parentsOne parentOffspring alike parentsOffspring differentSexualAsexual
15 #9 Which characteristic of life? Cells formed.Cells divide.Lemur sunbathing.Lemur eats food.Blue Tang fish blends in with the water.Frog eggs, tadpoles, adult frog.You blink when a bug hits your eye.OrderReproductionRegulation.Energy processing.Evolutionary adaptationGrowth and development.Respond to the environment.
16 #10 Prokaryotic or Eukaryotic? BacteriaNucleoidRibosomesNucleusMitochondrionCapsuleProkaryoticBothEukaryotic
17 #11 Which is HOMEOSTASIS and which is METABOLISM? Sum of all the chemical reactions in an organismAn organism maintains a stable internal environment even when the external environment is notMETABOLISMHOMEOSTASIS
18 Identify as U=unicellular or M=multicellular AmoebaHumanBacteriaParameciumWormtreeUM
19 #12 Put in the correct order: CommunityPopulationOrganelleOrgan SystemOrganismOrgantissueEcosystemMoleculeCellBiosphereBiosphereEcosystemCommunityPopulationorganismOrgan systemOrganTissueCellOrganelleMolecule
20 Put in order in an energy pyramid: ProducersSecondary ConsumersPrimary Consumers
21 Put in order in an energy pyramid: Secondary ConsumersPrimaryConsumersSecondary ConsumersPrimary Consumers
22 #14 Where would you dipose of waste chemicals in the lab? SinkChemical waste jarTrash canANSWER: chemical waste jar
23 What would each tool be used for? Hold test tubeProtect eyesHold beaker
24 #14What is the correct way to… Detect an odor in the lab?Dispose of broken glass?Dispose of test tube liquids after the lab?WaftingIn the crockIn the waste container on the lab table.
25 #15 Which domain? Has peptidoglycan in cell wall, prokaryotic Has no peptidoglycan in cell wall, prokaryoticNucleus with a membraneEubacteriaArchaebacteriaEukarya
26 #16 Which Kingdom of life? Cell wall of chitin, eukaryotic Fungi Cell wall of cellulose, nucleusNo cell wall, eukaryoticE. coli, streptococcusFungiPlantaeAnimaliaEubacteria
27 #17 What are emergent properties? Whole is greater than the sum of the parts. Such as the tree in the rainforest is an important home, food source, and shade for other organisms rather than just for itself.
28 #18 Which is technology and which his science? A male sex cell is a sperm cellScienceUsing embryonic stem cells can create test tube babies.technology
29 CHAPT 35 Identify the Animal Behavior 1. no strong bond-pairing2. Siamese fighting fish3.squirrels wagging tail at others4. birds learn not to respond to scarecrowPromiscuousAgnosticCommunicationhabituation
30 Chapt. 35 5. under strong genetic control New baby geese follow human Wasp uses landmarksChimp opens jar when knew a rock broke thingsInnateImprintingTerritorialProblem-solving
31 Chapt. 35 9. dog not go by porcupine to get quills 10. goose retrieves egg same way always11. Sow bug start and stop random movement12. one male and one female parental careTrial-and-errorFAPKinesismonogamous
32 Chapt. 35 13. salmon move upstream scent of water 14. kin selection, pass genes to relatives15. individual mates with several others16. pecking order of hensTaxisInclusive fitnessPolygamousDominance hierarchy
33 Chapt. 35 17. rat mole gives its life so queen can live 18. male sea lion defends area, cheetah urine on trees19. food-getting20. learn by observing others, like chimp how to climb treeAltruismTerritoralityForagingSocial
35 #1 What is the charge of each? ElectronProtonneutronNegativePositiveneutral
36 Which subatomic particle… Lacks a chargeIs in the nucleus?A. protonB. electronC. neutronANSWER: neutronProtons (+) Electrons (-)
37 #2 Which is correct?A substance that cannot be broken down into other substances by ordinary chemical means is: A. moleculeB. bufferC. elementD. cellE. compoundANSWER: element
38 #2 What is the element, which a compound? NaCO2OH2OElement (one)Compound (2 or more elements)elementcompound
39 #2 What is the atom, which a molecule? NaCO2OH2OO2atommoleculeMolecule
40 #2 What is the symbol, which a formula? NaCO2OH2Osymbolformula
41 (just for fun) Which are ATOMS and which are CELLS? AmoebaCarbonHydrogenbloodCELLATOM
42 #4 What part of atoms form bonds? ElectronsProtonsNeutronsANSWER: electronsWhat is electronegativity?Affinity an atom has to attract electrons
43 Yeah, this is good to know: If you had an atomic number of… 12, how many electrons would be in the outer shell?2846 ANSWER: (fills 2, 8, 2)
44 #5 Fill in the blanks:In an ionic bond the electrons are _______________ and in a covalent bond the electrons are_______.ANSWER: transferred (lost/gained)shared
45 #5 What do e- do in each of these bonds? IonicCovalentPolar covalentNon-polar covalentTransfer (gain or lose)ShareShare unequallyShare equally
46 #6 List this in order from strongest to weakest bonds: Van der WaalsIonicCovalentHydrogenStrongest:CovalentIonicHydrogenVan der Waals (weak)
47 #7 Which are ions?ClCl-H2OH-H+ANSWER: Ions are Cl- ,OH-, H+
48 #7 Which are ions and which are isotopes? Ca+213C6Ion (lost e-)Isotope (different number of neutrons than neutral form)
49 #7 Which are cations? Anions? Cl-1O2AnionCationneither
50 #7 What use are radioisotopes in medicine? Use tracers to follow molecules as they undergo chemical changesTag chemicals that isolate in a certain part of the body (like cancer, disease)
51 #7 Atoms with different number of electrons from its neutral atom are: An ionAn isotopeA bondA moleculeANSWER: an ionCharged atom Na+ Cl-
52 #7 Atoms with different number of neutrons from its neutral atom are: An ionAn isotopeA bondA moleculeANSWER: an isotope
53 #8 How many p, n, and e-? 19 mass number (p + n) F 9 atomic number (p) (also e-)ANSWER: 9 p, 9 e-, 10 n#p+ and #e- = at. no.#n = mass no. – at. no.
54 #9 What makes up an atom’s nucleus? Protons and neutronsWhat charge?+
55 #10 Why do atoms join other atoms to form compounds? A. to make even number of electronsB. to fill their outer electron shellsC. to become neutralANSWER: BFill 2,8,8
56 #10 An atom is stable when… A. number of electrons = number of protonsB. outer electron shells are fullC. number of neutrons = number of protonsANSWER: B#9 Atoms will form compounds to fill outer electron shells
57 #11 Identify the covalent bonds? C=CDoubleC-CSingletriple
58 #12 Identify where on the periodic table would be: -1 ions Column 7 Filled outer shellsColumn 8
59 Which element would behave most like carbon? Si
60 Which element would behave most like carbon? Si
61 #13 Ice floats because… A. it is colder than liquid water B. its water molecules are farther apart due to H-bondingC. it is denser than liquid waterD. its molecules are moving fasterANSWER: B
62 #13 Describe water’s property Surface tensionHeat of fusionCapillarityHigh (float a bug)High (slow to freeze)Rises in narrow tubes
63 #13 Which water property is it? A. climb narrow tubesB. form a film on water surfaceC. slow to heatD. slow to freeze1. heat of fusion2. heat of vaporization3. capillarity4. surface tension
64 water property answers 3. capillarity4. surface tension1. high heat of vaporization2. high heat of fusionA. climb narrow tubesB. form a film on water surfaceC. slow to heatD. slow to freeze
65 #13 Why does ice expand when freezing? 1. It gets gains mass.2. It gains electrons.3. It loses electrons.4. The H-bonds form an open lattice.ANSWER: 4
66 #14 Which is cohesion and which is adhesion? A. sticking to like substancesB. sticking to unlike substancesANSWER: “A” is cohesion“B” is adhesion
67 Which is cohesion, which is adhesion? Water sticking to glass?AdhesionWater to water in a drop?cohesion
68 #15 In a salt water solution… Which is the solute, which is the solvent?
69 #15 In a salt water solution, identify the solute and the solvent: Solute = salt (is being dissolved)Solvent = water(does the dissolving)
70 #16 Which is a mixture and which is a compound? Salt waterGlucoseWaterAirBloodMixtureCompound C6H12O6H2O compoundmixture
71 #16 Identify as a mixture or a compound: DirtMixtureCarbon dioxideCompoundAirmixture
72 #17 What two ions does water dissociate into? H and OH and OHH+ and OH-H2 and O2ANSWER: H+ and OH-(acids) (bases)
73 #17 Fill in the blanksIn an acid the ___________ions are donated to the water solution, but in a base the __________ions are donated to the water solution:ANSWER: H+ (acid) OH- (base)hydronium hydroxide
74 #18 Match: pH 7 A. weak base pH 13 B. strong base pH 2 C. neutral pH D. weak acidE. strong acidC. neutralStrong baseStrong acidWeak acid
75 # 18 Identify as acid or base (strong or weak) [10-4][10-14][10-7][10-2]Weak AcidStrong BaseNeutralStrong Acid
76 An atom is stable when: A. It’s protons equal its neutrons B. It’s electrons equal its protonsC. It’s outer electron shell is filled.D. It’s outer electron shell is empty.ANSWER: C(e- fill 2,8,8)
77 #19 Which is a buffer: A. lowers the pH B. raises the pH C. keeps the pH from changingANSWER: C
89 #5 What’s it called?Removing water to link monomers for form a polymer:A. dehydration synthesisB. hydrolysisC. chemiosmosisANSWER: AHydrolysis adds water to split polymers
90 #5 Which is hydrolysis? Which is dehydration synthesis? Adds waterTakes out waterJoins monomersBreaks polymersHydrolysisDehydration synthesishydrolysis
91 #6 Which is a saturated fat? B.C. CH3CH2CH2COOH CH3(CH2)4CH=CHCH2CH=CH(CH2)7COOH
92 Which is a saturated fat? B.C. CH3CH2CH2COOH CH3(CH2)4CH=CHCH2CH=CH(CH2)7COOH
93 # 7 How can you tell the difference Between a carbohydrate and a lipid if given the structural formula?Carbos C:H:O1:2:1Lipids H:O is greater than 2:1 ratio
94 #8 What are isomers?Compounds with the same molecular formula (number and kinds of elements), but with different spatial arrangement.
95 #8 What are isomers?See next slide for definition
96 #9 Matching: 1. glycogen 2. cellulose 3. glucose 4. starch A. a polysaccharide in plant cells cell wallsB. The storage form of glucose in plantsC. The storage form of glucose in animalsD. simple sugar
97 #9 MATCH THE TYPE OF CARBO: monosaccharide, disaccharide, polysaccharide GlucoseGlycogenSucroseStarchlactoseMonosaccharidePolysaccharideDisaccharide
98 #10 In a trigylyceride, where are the hydrophobic and hydrophilic ends?
99 In a trigylyceride, where are the hydrophobic and hydrophilic ends?
100 In a trigylyceride, where are the hydrophobic and hydrophilic ends?
101 Which is NOT a lipid? A. wax B. phospholipid C. cholesterol D. RNA E. steroidANSWER: D
102 Which is NOT a lipid? A. wax B. phospholipid C. cholesterol D. RNA E. steroidANSWER: D
103 #11 How are phospholipids different than triglycerides? A. an extra phosphateB. lost a phosphateC. a phosphate replaces a fatty acidANSWER: C
128 #22 What fat is this the structure for? Steroid (4 fused rings)
129 #23 Which test is this?Food sample turned blue-black in the presence of iodine? A. for proteinB. for starchC. for lipidsD. for simple sugarsANSWER: B
130 #23 MACROMOLECULE TESTS A. for protein (Biuret’s blue to purple) B. for starch (iodine turns blue-black)C. for lipids (paper translucent to light)D. for simple sugars (Benedict’s blue to orange)
131 #24 What are other names for proteins? PolypeptideAmino acid chainFatty acidPolyunsaturatePolysaccharideANSWER: polypeptide, amino acid chain
132 Matching: 1. glycogen C 2. cellulose A 3. glucose D 4. starch B A. a polysaccharide in plant cell wallsB. The storage form of glucose in plantsC. The storage form of glucose in animalsD. simple sugar
133 What is another name for a “fat?” A. triglycerideB. proteinC. nucleic acidD. polysaccharideANSWER: A