Which model explains matter using tiny particles?, Particle model, Wave model, Cell theory, Plate theory, In solids, particles are usually what?, Freely moving, Far apart, Tightly packed, Highly charged, Which state has particles that slide past each other?, Solid, Vacuum, Plasma, Liquid, Gas particles move in what way?, Very slowly, Rapidly random, Not moving, Fixed pattern, Heating a substance usually makes particles move?, Faster, Together, Backward, Slower, Which state keeps both shape and volume?, Smoke, Liquid, Solid, Gas, Which state keeps volume but not shape?, Gas, Liquid, Plasma, Solid, Which state has no fixed shape or volume?, Liquid, Ice, Solid, Gas, What happens to particle spacing when heated?, Usually decreases, Usually increases, Becomes fixed, Always vanishes, Strongest particle attraction is in which state?, Mist, Gas, Solid, Plasma, Weakest particle attraction is in which state?, Gas, Ice, Solid, Liquid, Melting changes a solid into a?, Gas, Mixture, Plasma, Liquid, Freezing changes a liquid into a?, Gas, Solid, Solution, Mixture, Evaporation changes a liquid into a?, Gel, Solid, Gas, Crystal, Condensation changes a gas into a?, Liquid, Plasma, Solid, Powder, Sublimation is solid changing directly to?, Ice, Liquid, Mist, Gas, Deposition is gas changing directly to?, Liquid, Steam, Solid, Plasma, Which best explains diffusion?, Particles freeze, Particles vanish, Particles attract, Particles spread, Perfume smell spreading in air shows?, Filtration, Diffusion, Freezing, Melting, Brownian motion supports the idea that particles?, Are moving, Are magnetic, Are visible, Are colored, What tool measures liquid volume?, Ruler, Balance, Graduated cylinder, Thermometer, What tool measures mass?, Ammeter, Balance, Ruler, Beaker, What SI unit measures length?, Meter, Gram, Liter, Second, What SI unit measures time?, Meter, Kelvin, Newton, Second, What unit commonly measures temperature?, Meter, Degree Celsius, Candela, Liter, A fair test changes only one?, Theory, Result, Variable, Graph, The variable you change is the?, Responding data, Dependent variable, Controlled variable, Independent variable, The variable measured is the?, Dependent variable, Constant variable, Trial number, Independent variable, Variables kept the same are?, Controlled variables, Random variables, Test variables, Dependent variables, A possible explanation tested in science is?, Law, Opinion, Hypothesis, Model, Which comes first in investigation?, Draw graph, Ask question, Write conclusion, Share report, Repeated trials improve what?, Color, Mass, Odor, Reliability, Data written in words is?, Metric, Digital, Quantitative, Qualitative, Data written in numbers is?, Natural, Qualitative, Quantitative, Verbal, Which is the best safety rule?, Run indoors, Wear goggles, Ignore spills, Taste chemicals, A pure substance has?, Fixed composition, Many layers, Visible parts, Variable boiling, An element contains only one kind of?, Solution, Mixture, Molecule, Atom, A compound is made of?, Only atoms, Only liquids, Bonded elements, Mixed metals, Which is an element?, Salt, Oxygen, Water, Air, Which is a compound?, Water, Iron, Gold, Air, Which is a mixture?, Copper, Oxygen, Air, Carbon dioxide, A solution is a type of?, Atom, Compound, Element, Mixture, In saltwater, salt is the?, Solute, Solvent, Filter, Residue, In saltwater, water is the?, Crystal, Solvent, Gas, Solute, What term means ability to dissolve?, Solubility, Density, Elasticity, Viscosity, A saturated solution contains?, Extra water, Maximum solute, Only solvent, No solute, An unsaturated solution can dissolve?, No particles, Only gas, No solvent, More solute, Increasing temperature usually increases solubility of?, All liquids, All metals, Many solids, All gases, Which method separates insoluble solid from liquid?, Filtration, Distillation, Crushing, Evaporation, Which method obtains salt from saltwater?, Decantation, Evaporation, Filtration, Magnetism, Which property helps separate iron filings?, Smell, Color, Magnetism, Taste, Mud in water is best described as?, Solution, Element, Compound, Suspension, Milk is commonly considered a?, Element, Colloid, Gas, Crystal, Concentration tells how much solute is in?, Solid, Element, Solution, Crystal, 5 g solute in 100 mL solution is an example of?, Temperature, Density, Volume, Concentration, A model is useful because it?, Represents ideas, Changes nature, Stops questions, Replaces evidence, Why do solids keep shape?, Weak attraction, Fast expansion, Fixed particles, No particles, Why are gases compressible?, No motion, Large spaces, Heavy particles, Strong bonds, Which shows evidence of dissolved solute?, Visible layers, Large chunks, Settling fast, Uniform mixture, The smallest unit of an element is?, Atom, Tissue, Cell, Organ, What instrument magnifies tiny specimens?, Telescope, Barometer, Microscope, Periscope, The lens you look through is the?, Diaphragm, Objective, Mirror, Eyepiece, Which microscope lens gives greater magnification?, High power, Stage lens, Base lens, Low power, The platform holding the slide is the?, Arm, Stage, Tube, Base, What controls light amount on a microscope?, Arm, Stage clip, Nosepiece, Diaphragm, Which knob is used first for focusing?, Coarse knob, Stage knob, Light knob, Fine knob, Which knob sharpens the image?, Mirror knob, Coarse knob, Fine knob, Base knob, How should you carry a microscope?, Upside down, Two hands, One finger, By lens, Before using high power, start with?, No lens, Low power, Closed diaphragm, Maximum light, What should touch the lens for cleaning?, Wet hands, Notebook page, Lens paper, Shirt sleeve, The basic unit of life is the?, Cell, Species, Atom, Organ, Which structure controls cell activities?, Membrane, Vacuole, Cell wall, Nucleus, Which structure surrounds the cell?, Membrane, Chloroplast, Nucleus, Ribosome, Where is jellylike cytoplasm found?, Inside nucleus, On leaf, Inside cell, Outside wall, Which organelle makes food in plants?, Mitochondrion, Nucleus, Lysosome, Chloroplast, Which cell structure gives plants support?, Centrioles, Cell wall, Flagellum, Cilia, Large central vacuole is common in?, Virus cells, Animal cells, Plant cells, Fungal spores, Which organelle releases energy from food?, Cell wall, Chloroplast, Vacuole, Mitochondrion, Plant cells differ from animal cells because plants have?, Chloroplasts, Membranes, Nuclei, Cytoplasm, Animal cells usually have no?, Membrane, Cell wall, Cytoplasm, Nucleus, An organism made of one cell is?, Multicellular, Complex, Unicellular, Vascular, An organism made of many cells is?, Multicellular, Simple, Unicellular, Microscopic, Which is unicellular?, Mango tree, Fern, Dog, Amoeba, Which is multicellular?, Yeast, Human, Bacterium, Paramecium, Cells with similar function form a?, Species, Tissue, Atom, Organelle, Tissues working together form an?, Organ, Atom, Population, Cell, Organs working together form an?, Biome, Organism, Tissue, Organ system, Sexual reproduction usually involves?, No cells, One parent, Two parents, No offspring, Asexual reproduction usually involves?, Gamete fusion, Pollination only, One parent, Two parents, Offspring from asexual reproduction are often?, Always sterile, Highly varied, Always larger, Genetically similar, Which is asexual reproduction?, Binary fission, Fertilization, Pollination, Mating, Which is sexual reproduction?, Spore release, Fertilization, Fragmentation, Budding, Hydra commonly reproduces by?, Grafting, Pollination, Budding, Fusion, Starfish can reproduce asexually by?, Pollination, Budding, Conjugation, Fragmentation, Seed formation in flowering plants follows?, Budding, Fertilization, Binary fission, Regeneration, Which term means transfer of pollen?, Pollination, Respiration, Digestion, Excretion, Sexual reproduction increases?, Extinction, Isolation, Variation, Sameness, An ecosystem includes organisms and their?, Machines, Environment, Planets, Dreams, Living parts of an ecosystem are?, Rock layers, Abiotic factors, Climate zones, Biotic factors, Nonliving parts of an ecosystem are?, Abiotic factors, Biotic factors, Decomposers only, Consumers only

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