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23 Cards in this Set
- Front
- Back
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What is the BEST example of a pure substance? |
Gold
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What statement BEST explains how periods on the periodic table is organized?
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Increasing atomic number from left to right
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An ice cube is put into a heated pan. What will MOST LIKELY happen to the molecules in the ice as the ice is heated?
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The molecules will begin to move faster
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What BEST explains why the total mass of product(s) would be less than the total weight of the reactant(s) after a chemical reaction?
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Gases were released to the atmosphere
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What would LEAST LIKELY have an impact on global climate changes?
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Producing energy using hydroelectric plants
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What is an example of a renewable energy resource?
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Biomass
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What will MOST LIKELY result if there is increased upwelling in a coastal area?
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More aquatic life
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What BEST determines the health of a lake used as a source of freshwater?
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Its temperature and pH
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A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones?
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The index fossils in the area of the bones
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What BEST describes how ice cores are important to the study of geologic history?
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They contain evidence showing changes in the atmospheric composition over time
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Why do doctors suggest that people get a flu vaccine each year?
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Viruses can mutate from year to year
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What of these organisms is a producer in a marine ecosystem?
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Algae
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What of these careers would a student studying biotechnology MOST LIKELY pursue?
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Agricultural research
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What BEST determines the number of wolves that can live in an area?
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The amount of food available in the area
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What happens to a population and to competition when there is a reduction of living space?
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Competition weakens and the population decreases
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Kudzu vines grow by climbing and wrapping around trees. Trees covered in kudzu can die because they are starved of sunlight. What type of relationship exists between the trees and the kudzu growing on them?
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Competition
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Where is the largest amount of energy found in this food web?
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Grass
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What do transitional fossils BEST support?
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The Theory of Biological Evolution
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Tigers and household cats are members of he same family: however, their sizes are vastly different. What is the cause of this difference?
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Genetics
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Why is a healthy diet important?
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It supplies the body's need for growth and energy
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What happens to water molecules during the boiling process?
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They move faster and move father apart as they absorb heat
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Which pair of elements has the MOST similar properties?
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N and P
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If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the product?
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6 atoms of carbon (C)
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