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- 1. Multiple Choice
What is a example of lab safety?
Keep your hair down
Eat a snack before an experiment
Keep your goggles on at all times
Play around the equipment
- 2. Multiple Choice
What is Natural Selection?
The process were only plants better adapted to their environment tend to survive and produce more offspring.
The process were only humans better adapted to their environment tend to survive and produce more offspring.
The process were individuals better adapted to their environment tend to survive and produce more offspring.
The process were organisms better adapted to their environment tend to survive and produce more offspring.
- 3. Multiple ChoiceA scientific theory...is based on lots of evidenceis not validis not reliablehas not been tested many times
- 4. Multiple ChoiceA scientific ____________ is a statement that describes what always happens under certain conditions in nature.lawtheorymethodvariable
- 5. Multiple ChoiceThe independent variable is the ONE thing you _____.changekeep the sameexperiment withinvestigate
- 6. Multiple ChoiceWalker is testing which fertilizer will grow the tallest grass. The height of the grown grass is the __ variable.constant (same)independent (changes)dependent (measured)
- 7. Multiple ChoiceA _____________________ is something that scientists use to represent an object or processmassmattermodelweight
- 8. Multiple ChoiceWhat is the definition of CONVECTIONWhen heat transfers through waves.When heat transfers from objects that are touching.a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.Heat traveling from the sun
- 9. Multiple ChoiceWhich of the following is an example of convection?A hair dryer is drying up your hair.When the AC or heater changes the temperature.When a car engine turns hot after being turned on.When you are making soup and the water is rising and lowering.
- 10. Multiple ChoiceThe chart that arranges elements by atomic number is:Atomic NumberMetalPeriodic TableChart
- 11. Multiple ChoiceThe smallest unit of an element that still has the properties of that element is:ProtonNonmetalAtomic numberAtom
- 12. Multiple ChoiceA substance that is generally shiny, can be bent, and often conducts heat and electricity is:GasNonmetalMetalElement
- 13. Multiple ChoiceA POSITIVE subatomic particle:NeutronElectronAtomProton
- 14. Multiple ChoiceA NEGATIVE subatomic particle is:ElectronNeutronProtonMetal
- 15. Multiple ChoiceHow are compounds and elements different?Elements are metals; compounds are nonmetalsElements are pure substances; compounds are notElements exist as solids, liquids, and gases; compounds are solidsElements have one kind of atom; compounds have different kinds of atoms
- 16. Multiple ChoiceAre there any compounds on the periodic tableyes there are manyno because only elements are on the periodic tableI think they are?
- 17. Multiple ChoiceA substance made up of two or more elements that have been chemically combinedmixturesubstancecompoundion
- 18. Multiple ChoiceIs hammering wood together to build a house a chemical or physical change?chemicalphysical
- 19. Multiple ChoiceIs melting butter for popcorn a chemical or physical change?chemicalphysical
- 20. Multiple ChoiceIs bleaching your hair a physical or chemical change?physicalchemical
- 21. Multiple Choice
A substance with a mass of 10 g is heated to produce two new substances. The mass of the first new substance is 9.3 g and the mass of the second new substance is 0.7 g. Which of the following is best demonstrated by this example?
heat transfer
physical change
law of conservation of mass
law of conservation of energy
- 22. Multiple Choice
The diagrams below represent different ways heat is transferred. The arrows in the diagrams show the direction of heat transfer.
Which table shows the primary way heat is transferred in each diagram?
- 23. Multiple ChoiceWhy is it harder for the boy in Image B to get down the hill?MotionFrictionWorkDisplacement
- 24. Multiple ChoiceIf these boys are pulling with the same amount of force. What will happen?The boy in blue will win.They will not move at all.The boy in red will win.Both will fall down.
- 25. Multiple ChoiceWhich of the following statements is true?Balanced forces cause a change in motion.Unbalanced forces cause a change in motion.Forces do not effect the change in motion.
- 26. Multiple ChoiceGravitational potential energy depends on the ________ and ________ of the object.Height and massFriction and movementMass and MovementHeight and Friction
- 27. Multiple Choice
When alleles are different (ex: Yy)
heterozygous
dominant
homozygous
- 28. Multiple Choice
When alleles are the same (ex: YY or yy)
heterozygous
recessive
homozygous
- 29. Multiple Choice
the physical look of a trait (what do you see?)
phenotype
genotype
allele
- 30. Multiple Choice
the genetic code for the gene (YY, Yy, yy)
phenotype
genotype
allele
- 31. Multiple Choice
A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes those desirable traits to his offspring. This process is called...
Natural Selection
Selective Breeding
Random mutations
Variations in a species
- 32. Multiple Choice
If Easter eggs were living species of organisms, their different colors would be considered:
Adaptations
Variations
Different species
Extinct species
- 33. Multiple Choice
The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n
Variation
Dominant trait
Recessive trait
Adaptation
- 34. Multiple ChoiceWhy does sexual reproduction result in more genetic diversity than asexual reproduction?Traits from two parents are combined.More organisms reproduce this way.Offspring grow in different environments.Offspring come from identical parents.
- 35. Multiple ChoiceOrganisms that reproduce asexually generally have offspring that areunicellular.multicellular.genetically varied.genetically identical.
- 36. Multiple ChoiceUsed to measure length and distance in the metric systemGraduated cylinderTriple beam balanceThermometerMeter stick
- 37. Multiple ChoiceMutations in genes causevariationcompetitionreproductionstrength
- 38. Multiple ChoiceFlammability is an example of what property?Chemical propertyPhysical property
- 39. Multiple Choice
Control (constant)
What I change
What I observe and measure
What remains the same
- 40. Multiple Choice
An idea or explanation that you then test through study and experimentation
hypothesis
theory
scientific law
- 41. Multiple Choice
Select all of the following that scientific knowledge is based on.
empirical evidence
logical reasoning
beliefs
opinions
predictions and models
- 42. Multiple ChoiceLaw of Conservation of Mass says that matter CAN be created and CAN be destroyed.TrueFalse
- 43. Multiple Choice
When humans breed plants or animals with desired traits
Natural Breeding
Artificial Selection
Selective Breeding
Competition
- 44. Multiple Choice
English naturalist-studied plants & animals-set forth the Theory of Evolution
Charles Darwin
Charles Brown
Galapagos Island
Devin Darwin
- 45. Multiple Choice
A segment of DNA that determines or helps to determine a trait
Gene
Mutation
Trait
DNA
- 46. Multiple ChoiceWhat are the 8 levels of classification of living things from most general to most specific?domain, kingdom, phylum, class, order, family, genus, speciesdomain, kingdom, phylum, class, order, family, genius, speciesdomain, kingdom, phamily, class, order, family, genus, speciesdomain, king, phillip, class, order, family, genus, species
- 47. Multiple ChoiceThe scientific name for water bear is Hypsibius dujardini. What is its genus?Hypsibiusdujardiniwatertardigrade
- 48. Multiple ChoiceThe scientific name for water bear is Hypsibius dujardini. What is its species?Hypsibiusdujardiniwatertardigrade
- 49. Multiple ChoiceWhat is the science of organizing, classifying and naming living things.taxonomytaxadermytaxicabtoxicology
- 50. Multiple ChoiceWhich domain includes all animals and plants?ArchaeaEukaryaBacteria
- 51. Multiple ChoiceAlmost all bacteria are...UnicellularMulticellular
- 52. Multiple ChoiceWhich two kingdoms are entirely multicellular?Animalia and PlantaeAnimalia and ProtistaProtista and Plantae
- 53. Multiple ChoiceOrganisms whose cells have NO nucleus are classified as...EukaryoticProkaryoticDead
- 54. Multiple ChoiceTrue or False: All cells have DNA.TrueFalse
- 55. Multiple ChoiceTrue or False: All living things are made of one or more cells.TrueFalse
- 56. Multiple ChoiceWhen using a dichotomous key to identify organisms, what do we look at?physical featuresweather patternsenvironmentdiet
- 57. Multiple ChoiceUsing this dichotomous key, identity the name of the circled fish.band-tail pufferspotted goat fishpeacock floundertrumpet fish
- 58. Multiple ChoiceTerm given to describe the 2 name naming system is:dichotmous keybinomial nomenclature2 scientific namesbinomial key
- 59. Multiple ChoiceThe first part of a scientific name is an organism's _______________ and the second part is its ________________.species, genusphylum, orderclass, spicesgenus, species
- 60. Multiple Choice
What happens to water molecules when a large quantity of thermal energy is added to water in the liquid state?
The more thermal energy added, the greater the attraction between molecules.
The molecules gain kinetic energy, move farther apart, and become a gas.
The water molecules become packed closer together, and their temperature increases.
Each water molecule gives up kinetic energy and eventually stops moving.
- 61. Multiple Choice
Two chemicals are combined in a beaker and react. What data would provide the best evidence for determining if the reaction absorbed or released thermal energy?
The masses of the substances before and after the reaction
The temperature inside the beaker before and after the reaction
Whether or not light and sound were produced during the reaction
How long it took for the reaction to take place once the chemicals combined
- 62. Multiple Choice
Choose the words or phrases that accurately describes the effects of thermal energy on a system.
Adding thermal energy to the ice _________________________________ the molecules in the ice.
speeds up
slows down
- 63. Multiple ChoiceWhat is the mass of a neutron?1 amu0 amusame as electrondoesn't have any mass
- 64. Multiple ChoiceWhat is the formula to solve for the neutron?Mass + Atomic Number= NeutronsMass x Atomic Number = NeutronsMass - Atomic Number = NeutronsMass + Number of Protons = Neutron
- 65. Multiple ChoiceWhere is the neutron located?In the loose nucleus with the electronIn the dense nucleus with the protonsIn the electron cloudThe nucleus floats on orbitals
- Answer choicesTagsAnswer choicesTags