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Introductory Unit Review

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• 1. Introductory Unit Review
• 2. What is the first step of the scientific method?
• Make Observations
• 3. What is the second step of the scientific method?
• State the problem
• 4. What is the third step of the scientific method?
• Hypothesize
• 5. What is the fourth step of the scientific method?
• Design the experiment and test
• 6. What is the fifth step of the scientific method?
• Collect data
• 7. What is the sixth step of the scientific method?
• Analyze data
• 8. What is the last step of the scientific method?
• 9. How many independent variables can be tested in an experiment? 1
• 10. The variable you measure and do NOT know before the experiment is called the -?- variable. dependent
• 11. The group in an experiment that you use for comparison is called the -?- group. control
• 12. What is the base unit for measuring volume in the metric system? 1 liter
• 13. What is the base unit for measuring mass in the metric system? Grams not grahams, silly!
• 14.
• 15. What is the base unit for measuring temperature in the metric system?
• 16. The variable YOU control in an experiment and know before the experiment is called the -?- variable. independent
• 17. The question you are trying to answer in an experiment is called your -?- statement. problem
• 18. Information gathered during an experiment is called . data
• 19. When you are looking at your data VERY closely, you are - ? - your data. analyzing
• 20. How many times must an experiment be done before a theory can be made?
• 21. What is the area of the following square? 5 cm 25 cm 2
• 22. How many centimeters are in a meter? 100
• 23. How many deciliters are in a liter? 10
• 24. How many grams are in a kilogram? 1000
• 25. Convert 2.5 cm to meters .025
• 26. Convert 5 hl to liters 500
• 27. What is the volume of the following figure? 3 cm 27 cm 3 3 cm 3 cm
• 28. What is the volume of water in the graduated cylinder below? 56 cm 3
• 29. Calculate the volume of the dinosaur? 0.8 ml 5.6 ml minus 4.8 ml =
• 30. If the hamster and beaker, together, have a mass of 220 grams and the beaker, alone, has a mass of 40 grams, what is the mass of the hamster? 220g – 40g = 180g
• 31. What is the missing data in the table below? 38 ml 32 ml 40 ml Trial 1 35 ml 42 ml Average ml of water absorbed ? 44 ml Trial 2 Viva Bounty
• 32. Is this data qualitative or quantitative? 32 ml 40 ml Trial 1 35 ml 42 ml Average ml of water absorbed 38 ml 44 ml Trial 2 Viva Bounty
• 33. The temperature at 6 pm is shown on the left. The temperature 7 hours later at 1 am is shown on the right. How many degrees Celsius did the temperature fall from 6 pm to 1 am? 21 °C 6 °C 21°C - 6°C = 15°C
• 34. Janice has pink finger polish on. Observation or Inference?
• 35. Janice is engaged. Observation or Inference?
• 36. What do we use in the lab to measure mass? Triple beam balance
• 37. Which candle will attract the least amount of mosquitoes? What is the independent variable? What is the dependent variable? Different candles Number of mosquitoes
• 38. What is the difference between weight and mass? Weight depends on gravity!