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Test Review. During Amanda’s lab, she had to plug in an electronic scale to weigh different solid objects. The scales were plugged in next to the sinks.

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Presentation on theme: "Test Review. During Amanda’s lab, she had to plug in an electronic scale to weigh different solid objects. The scales were plugged in next to the sinks."— Presentation transcript:

1 Test Review

2 During Amanda’s lab, she had to plug in an electronic scale to weigh different solid objects. The scales were plugged in next to the sinks. Which lab rule would be most important during this lab? A.Keep chemicals away from the skin and eyes B.Move electrical equipment away from water C.Wash hands thoroughly with soap and water D.Tie back loose hair and over sized clothing.

3 Which of these is an example of an unsafe lab practice? A.Waiting for teacher directions to start a lab B.Keeping your hair tied back C.Watering a plant without wearing gloves D.Taking a preserved specimen out of the room without asking

4 Which of these is most like regular tap water? A.Bleach B.Distilled water C.Vinegar D.Salt water

5 How many more students like fruit than popcorn?

6 Twice as many students like cheese more than trail mix. True or False?

7 Jeremiah is setting up an experiment. He has 4 different brands of paper towels, and he puts the same amount of water on each paper towel. He has several small weights that he slowly adds one at a time to each wet paper towel, suspended over the table. Which of the following questions could Jeremiah try to answer with this setup? A.Which brand of paper towel is strongest when wet? B.Which brand of paper towel is thickest? C.How much weight can paper towels hold? D.Which paper towel is the best?

8 Matthew wants to test what effect age has on the number of correct math problems students can solve. Which should be the Independent variable in Matthew’s test? A.Using or not using calculators B.Amount of problems solved correctly C.Same math problems D.Age of the students

9 Matthew wants to test what effect age has on the number of correct math problems students can solve. Which should be the Dependent variable? A.Using or not using calculators B.Amount of problems solved correctly C.Same math problems D.Age of the students

10 Matthew wants to test what effect age has on the number of correct math problems students can solve. Which should be a Constant variable? A.Using or not using calculators B.Amount of problems solved correctly C.Same math problems D.Age of the students

11 Depth (m) Temperature (C) Estimate the water temperature at 150 m

12 Depth (m) Temperature (C) What conclusion can be drawn by looking at this data?

13 Josie wants to classify animals by name as being able to swim, fly, or both. The best way to organize this information is a A.Circle graph B.Bar graph C.Line graph D.Data table

14 Which hypothesis CANNOT be tested through experimentation? A.Who was the greatest scientist of the 20 th century? B.What is the effect of salt on the boiling temperature of water? C.Does having worms in soil help plants grow faster? D.Can blindfolded people tell the difference between bottled water and tap water?

15 During a lab, Mary was finding the mass of 2 unknowns metals. When she used the Triple Beam Balance, she saw that both the metals had the same mass, so she wrote in her lab report “These metals appear to be the same material.” What Mary wrote in her lab report was: A.An observation B.An inference C.A hypothesis D.Incorrect

16 Whose class likes tennis least?

17 Which sport received a total of 4 votes?

18 What is the total number of votes for soccer?

19 Overall, is basketball more popular than hockey?

20 A racecar driver uses different types of fuel in his racecar to determine the car’s mileage per gallon. What is the Independent variable?

21 A racecar driver uses different types of fuel in his racecar to determine the car’s mileage per gallon. What is the Dependent variable?

22 A racecar driver uses different types of fuel in his racecar to determine the car’s mileage per gallon. What is a Constant variable?

23 1:B12:D 2:D13:A 3:B14:B 4:415:Ms. C’s class 5:False16:basketball 6:A17:10 7:D18:yes 8:B19:type of fuel 9:C20:miles per gallon 10:1721: same car, speed, amount of fuel, etc. 11:temperature drops at greater depths


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