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Setting up CRCT Notebook

Setting up CRCT Notebook. Always put the week at the top of the page for the beginning of each week. Always number your questions . Copy the questions then write the answers. Only the correct answer. Not the letter.

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Setting up CRCT Notebook

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  1. Setting up CRCT Notebook Always put the week at the top of the page for the beginning of each week. Always number your questions . Copy the questions then write the answers. Only the correct answer. Not the letter.

  2. 1. Jennifer wants to know which of three light bulbs lasts the longest. In her lab journal she writes: “The light bulb with the lowest wattage will last the longest.” Which part of the investigation has she written? • Question • Hypothesis • Data analysis • conclusion 29

  3. 2. Sam measured the growth of four plants over a three week period. Plant 1 had a total growth of 3 cm. Plant 2 had a total growth of 2 cm. Plant 3 grew a total of 5 cm, and plant 4 grew a total of 3 cm. What is the average growth of all the plants? • 2.5 cm • 3 cm • 3.25 cm • 4 com 30

  4. 3. You are conducting an experiment in which you measure a person’s body temperature in response to changes in air temperature. What is the independent variable that is manipulated in this experiment? • Air temperature • Size of the person • Person’s body temperature • Size of the room the person is placed in 30

  5. 4. What do repeated trials in an experiment allow a scientist to do? • Choose different dependent variables • Check the accuracy of the experimental results • Make changes in results that do not support a hypothesis • Change a hypothesis to support the results 30

  6. 5. If an experiment has parts that might be launched, what safety equipment should be worn? Gloves Goggles Lab coat apron

  7. 6. Which part of an experimental design includes the variable that is changed during an experiment? • The control group • The dependent variable • The responding variable • the independent variable 30

  8. 7. Which tool is used to measure a volume of liquid? • Graduated cylinder • Pan balance • Computer • stopwatch 30

  9. 8. Cara wants to compare the masses of two different mineral samples. Which would be the BEST tool to use? • Pan balance • Beaker • Meterstick • Graduated cylinder 30

  10. 9. The weight of an object is measured with • A spring scale • A thermometer. • A pan balance • A graduated cylinder 30

  11. 10. Dylan is collecting data about the hardness of mineral samples. He wants to display the hardness of each sample on a scale of 1 to 10. His data can be BEST represented visually in a • Line graph • Circle graph • Bar graph • Written report 30

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