Final Review
Quiz by Keith Kolar
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19 questions
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- Q1Why is table salt considered a compound?Because it is a physical changeBecause it is a mixture of elementsBecause it is a pure substanceBecause it is made up of two or more elements chemically bonded together30s
- Q2Why is carbon dioxide considered a compound?Because it is made up of two different elements chemically bonded togetherBecause it is a mixture of elementsBecause it is a pure substanceBecause it is a physical change30s
- Q3What is the smallest unit that can perform all life processes?AtomMoleculeOrganelleCell30s
- Q4Which process allows plants to make their own food using sunlight?PhotosynthesisFermentationDigestionRespiration30s
- Q5What part of the plant cell is responsible for photosynthesis?NucleusChloroplastsEndoplasmic ReticulumMitochondria30s
- Q6Which molecule is primarily responsible for capturing light energy during photosynthesis?DNAChlorophyllProteinCarbohydrate30s
- Q7What is the main gas used by plants during photosynthesis?Carbon DioxideOxygenHydrogenNitrogen30s
- Q8Which process do plants use to create energy from sunlight?PhotosynthesisFermentationRespirationTranspiration30s
- Q9What does the law of conservation of energy state?Energy cannot be created or destroyed, only transformed from one form to another.Energy is constantly decreasing over time.Energy can be created out of nothing.Energy can disappear without a trace.30s
- Q10According to the law of conservation of energy, what happens to the total amount of energy in a closed system?It remains constant.It increases without limits.It decreases over time.It fluctuates randomly.30s
- Q11When energy is transformed from one form to another, what happens to the total amount of energy?It remains the same.It doubles in quantity.It gets cut in half.It disappears completely.30s
- Q12List three energy resources that are renewableWind, solar, hydroelectricCoal, oil, natural gasElectricity, battery, fuelNuclear, biomass, geothermal30s
- Q13Which energy resource uses heat from the Earth's core?GeothermalWindSolarHydroelectric30s
- Q14Which energy resource converts sunlight into electricity?HydroelectricCoalSolarWind30s
- Q15Which energy resource harnesses the power of flowing water?HydroelectricWindSolarCoal30s