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What are some potential sources of error in the experiment?
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Read the article. Use your understanding to answer the questions that follow. Scientific Article What type of source is this article?
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The steps of the scientific method are listed below. Check the box next to each step of the scientific method that you think communication plays an important role in. Ask a question based on observation and research. For...
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How can evidence from an experiment be explained in relationship to the hypothesis? as a prediction as a question as an inference as a conclusion
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The pH scale measures the acidity or the basicity of a solution. Solutions that have a pH below 7 are acids. Solutions that have a low pH are more acidic than solutions that have a higher pH. The graph below shows the pH...
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Maria wanted to learn more about the birds that visit her backyard. She installed several bird feeders and offered a variety of bird seed mixes in order to attract a mix of species. For a month, she observed the bird fee...
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What is the most appropriate way to present the data below? Week Plant Mass (g) 1 22 2 61 3 87 4 123 bar graph chart line graph pie graph
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Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. The data from his experiment are shown in the table below. Amount of light (hours) Number of plants...
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A good conclusion restates the hypothesis so that the reader does not have to return to the beginning of the report. sees how the scientist applied the results to the hypothesis. understands how the methods relate to the...
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What is the most important reason to control the conditions of an experiment? to make the experiment easier to repeat to reduce the amount of data that must be recorded because this is necessary for graphing the data bec...
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A geologist and a biologist performed an experiment together and examined the data. Each scientist formed a different conclusion. Both conclusions were supported by the evidence. How is this possible? Both conclusions ar...
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Denise was measuring the effect of temperature on the amount of dissolved oxygen that water can hold. She hypothesized that as water temperature increases, the amount of oxygen that is dissolved in water increases. Her d...
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Why are graphs useful when interpreting data? They make trends in the data easier to see. They are easier to create than data tables. They take the place of pictures in a report. They can be used to show additional data.
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An agronomist hypothesized that acid rain inhibits the growth of Bermuda grass seedlings. He planted three samples of grass and watered each with a different pH solution. How did plant growth in the pH 3.1 group compare...
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What did the microbiologist conclude? The hypothesis is supported because on average S. aureus was more susceptible to antibiotics than E. coli. The hypothesis is not supported because on average S. aureus was less susce...
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A microbiologist hypothesized that Staphylococcus aureus is more susceptible to antibiotics than Escherichia coli. She tested her hypothesis by exposing the two species of bacteria to three different antibiotics. The clo...
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Which statement is most likely Megan’s conclusion? The hypothesis is supported because the most common blood type in the United States is AB+. The hypothesis is not supported because the most common blood type in the Uni...
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Megan hypothesized that type AB+ is the most common blood type in the United States. After conducting a literature search, she discovered the graph at right. Based on the information in the graph, which blood type is mos...
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What was the scientist’s conclusion? The hypothesis is supported because the processed forms of juice have lower amounts of vitamin C than the fresh juice. The hypothesis is not supported because the processed forms of j...
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A food scientist hypothesized that the processing used to concentrate juice destroys some of the vitamin C in orange juice. He measured vitamin C in fresh juice and juices made from liquid and frozen concentrate. How doe...
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Hypothesis: Increasing water temperature had no effect on the fermentation rate of yeast. Experiment: Compared yeast in room-temperature (22°C) water to yeast in lukewarm (45°C) water. Measured CO2 production. Results ar...
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A student hypothesized that the green color of plant leaves is related to exposure to sunlight and tested this hypothesis by placing a dark green plant in a dark closet. Three days later, the student discovered that the...
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