Science Practices Quiz. Do not write on this quiz. Writing on this quiz will result in a loss of 5% of your overall grade.

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1 o not write on this quiz. Writing on this quiz will result in a loss of 5% of your overall grade. 1. A student puts water in a graduated cylinder and carefully adds two small rocks. 3. While Anna was testing a circuit, she dropped a light bulb. What is the safest thing Anna can do? A. get a new bulb to finish the test. push the broken glass under a table. tell her teacher that she broke the bulb. ask her partner to help pick up the broken glass What is the volume of the rocks? A. 2 ml. 3 ml. 5 ml. 12 ml 4. Maria checked the outside temperature before and after school. According to the thermometers below, how much did the temperature change during the day? 2. Which tool, when properly used, would best help a student classify a basket of apples into groups based on mass? A. balance. thermometer. meter stick. graduated cylinder A. It increased by 2.. It increased by 14.. It decreased by 2.. It decreased by 14. page 1

2 5. A student added a small ball to a graduated cylinder containing 10 milliliters of water. 6. What is the volume of the ball? A. 5 ml. 10 ml. 15 ml. 20 ml According to this graph, the fish that is about 2 meters long is the A. bluefish. yellowtail. swordfish. bluemarlin 7. A student has 200 grams of water in a pitcher. She mixes in 30 grams of a powder lemon mix. How much lemon drink will she have? A. 30 grams. 170 grams. 200 grams. 230 grams page 2

3 8. Which is the best tool to measure the volume of a liquid? 11. Which student needs to wear protective goggles the most? A. alance A... Thermometer. Measuring tape. Graduated cylinder.. 9. Scientists are trying to find the temperature of a lake. To get an accurate temperature, they should measure it A. again and again until they get the same result.. only once and only in the center.. several times at different places.. several times in the same place. 12. While working on a class chemistry experiment, Victor dropped a glass test tube filled with an unknown liquid. What should Victor do first? A. put on gloves 10. etsy wants to find out if the rain in her town contains pollutants. The best way for etsy to gather information would be to collect A. one sample on one rainy day.. inform the teacher. sweep up the broken glass. clean up the spilled chemical. one sample a day on several rainy days.. several separate samples on one rainy day.. several separate samples on several rainy days. page 3

4 13. Use this data table to answer the question. Height of Plant Measurement Height of Plant cm cm cm 14. arol poured some water into a 200-milliliter (ml) graduated cylinder. Pictured below are arol s graduated cylinder and four numbered graduated cylinders. amon measured the height of a plant three times with a metric ruler. He recorded the measurements in the data table above. Which statement most likely explains the variation in amon s data? A. The plant was growing while amon measured it.. amon used different rulers for each measurement.. amon made small errors while measuring the plant.. The plant expanded and shrank because of temperature changes. Which numbered graduated cylinder contains the same volume of water as arol s graduated cylinder? A. graduated cylinder 1. graduated cylinder 2. graduated cylinder 3. graduated cylinder 4 page 4

5 15. The drawing below shows part of a graduated cylinder containing liquid. 17. Students measure the time for toy cars of different masses to roll down a hill. Which of the following units should the students use to measure time? A. centimeters. grams. milliliters. seconds ased on the sensitivity of the graduated cylinder, what is the volume of the liquid? A ml ml ml ml 18. Which of these units is best for measuring the height of a newly sprouted plant? A. meters. liters. millimeters. milliliters 16. Which of the following tools would give the most precise measurement of 15 milliliters of water? A. a 50 ml beaker. a 50 ml graduated cylinder. a 500 ml beaker. a 500 ml graduated cylinder 19. heryl wants to perform an investigation that requires using hazardous chemicals. The following steps of the investigation are not in the correct order. Perform the investigation. 1. Perform the investigation. 2. esign the investigation. 3. Put on gloves, goggles, and an apron. 4. ispose of waste materials. Which of these is the correct sequence of steps to safely complete the investigation? A page 5

6 20. Use the data table below to answer the question. Plant No. Amount of water each day (ml) Amount of sunlight each day (hours) Amount of plant food each day (ml) Height at beginning of experiment (cm) Height at end of experiment (cm) Maria grew four plants in an experiment about plant growth. The table shows the design and results of Maria s experiment. What was the independent variable in this investigation? A. the amount that each plant grew. the amount of food each plant received. the amount of water each plant received. the amount of sunlight each plant received 22. Use this data table to answer the question. Town Temperature and Rainfall Average Temperature (degrees elsius) Average Annual Rainfall (centimeters) Farmon avis Jenny compared the average temperature and annual rainfall for two towns in the same state. The results are shown in the data table. From these results, Jenny concluded that hotter weather causes more rain to fall. What is another reasonable interpretation of this data? A. Farmon is a very cold place to live.. older weather causes more rain to fall.. Rain causes the temperature to increase.. avis is the rainiest town in the entire state. 21. Use the list below to answer the question. Steps in an Experiment 1. Run a scientific test 2. Form a hypothesis 3. Form a conclusion 4. Analyze data George will conduct a scientific experiment. In what order should George follow the steps? A page 6

7 23. Use this data table to answer the question. Plant Experimental esign for Studying Effects of Pollutant (ml/day) Sunlight (hours/day) Pollutant (grams) Initial Height of Plant (meters) hris wanted to determine the effects of a soil pollutant on the growth of a sunflower plant. He designed an experiment and recorded his results in the data table. Where does hris make a mistake in the design of his experiment? A. The experiment doesn t have a control.. The experiment should use more types of plants.. The amount of water should be the same for each plant.. The amount of pollutant should be the same for each plant. 24. A scientist studied a species of fish. She found that when a certain nutrient was added to the diet of the fish just after hatching, the fish gained an average of 3 kilograms in the first year. What additional information is needed to determine whether the nutrient is affecting the growth of the fish? A. how much adult fish gained on average when the same nutrient was added to their diet. how much newly hatched fish in this species gain in the first year without the nutrient in their diet. how much of the nutrient is available for the fish species in their natural surroundings. how much other species of fish gain in the first year when the nutrient is added to their diet page 7

8 25. Students studying the plant rassica rapa want to know at what percent of carbon dioxide (O 2 ) in the air rassica rapa plants will grow fastest. Which table shows an experimental design that will best answer the question? A. Plant O 2 (% in air) Light (hrs/day) (ml/day) Initial mass (kg) Plant O 2 (% in air) Light (hrs/day) (ml/day) Initial mass (kg) Plant O 2 (% in air) Light (hrs/day) (ml/day) Initial mass (kg) Plant O 2 (% in air) Light (hrs/day) (ml/day) Initial mass (kg) page 8

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