SI Unit Test Review  STUDY: review guide and the packet of handouts/problems we talked about in class  No study session Thursday morning   We will.

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Presentation transcript:

SI Unit Test Review  STUDY: review guide and the packet of handouts/problems we talked about in class  No study session Thursday morning   We will try taking a practice test (don’t worry, this one is only 10 questions!)  We will correct as we go, so ASK QUESTIONS!  Tomorrow: Bring pencil and calculator for test; bring homework/novel to read for after

Question 1: Fill in the following blanks with the prefix a)_____ b)____ Deka Unit c) ____ centi milli Answer: a) Kilo b) Hecta c) deci

Question 2: Convert the following: 2.) 12 m = ________ cm (You need to know how many centimeters are in a meter!) 1 m = 100 cm (memorize!) Answer: 12 m x 100cm/1m = 1200 cm

Question 3: Match the correct unit with its measurement A) Liters measures ________ B) Grams measures ________ C) Meters measures ________ D) Kelvins measures ________ Word Bank: Temperature Mass Volume Length

Question 4: Measure Object A using A) Ruler 1: ________ cm B) Ruler 2: ________ cm Answer A) Ruler 1: __6.80 cm__ (remember, carry to hundreths place) B) Ruler 2: __6.8 cm__ (remember, carry to tenths place)

Question 5: Measure the mass using the triple beam balance: Mass = __________ Answer: Add up the 3 weights = Don’t forget your label! grams (g)

Question 6: A) What is a meniscus? B) Read the amount of liquid in the cylinder: Answer: A) A curve or dip in a liquid B) Read from BOTTOM of meniscus, so… 43 mL (did you have a label?)

Question 7: Convert the measurement (use correct sig figs) 10.5 oz. = _____ g1 oz = g Answer: 10.5 oz x g/1oz = g How many sig figs can we have? 3  so count from the left 3 spots, and use the 4 th number to determine rounding = g (final answer)

Question 8: Convert the measurement (use correct sig figs) 74 kg = ______ lb1 kg = lb Answer: 74 kg x lb/1 kg = lb How many sig figs can we have? 2  So count two spots from the left, and use the 3 rd number to determine rounding 163 = lb (final answer)

Question 9: Use the graph to answer: A) What type of graph is this? B) What label is on the y-axis? C) How many students watched 0 – 2 hours of TV? D) How many students watched 9 – 14 hours of TV? Answers: A) bar graph B) Number (No.) of students C) 4 students D) 62 students

Question 10: A) What type of graph is this? B) What is missing? C) How is this graph different from the previous one? D) How many students got 80% or above on their exam? E) How many failed? (>60) Answers A – C): Histogram – missing title; different from bar graph because it shows a range of data, rather than 1 exact number D) 22 – 23 students E) = 33 students failed

How did you do? There were about 25 questions on this practice test How did you do? What do you need to study tonight? Make a note of it, and ACTUALLY review it! GOOD LUCK!