Unit 1 Review
Quiz by Brooke Hughes
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- Q 1/10Score 0Which of the following measurement(s) has three significant figures?29A onlyB and CA, B, and CA and C
10 questions
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- Q1Which of the following measurement(s) has three significant figures?A onlyB and CA, B, and CA and C30s
- Q2Jordan is doing a science fair project on the effects of music on the growth of tomatoes. He has two tomato plants, Plant A and Plant B, that he grows in a window and gives the same amount of water. Plant A is exposed to classical music using headphones attached to the soil. Throughout the growth period, Jordan counts the number of tomatoes produced by each plant. The amount of water given to the plants would be considered the —controldependent variableconstantindependent variable45s
- Q3These data were gathered by four groups of students. Each group performed four trials to determine the acceleration rate of a toy car. Which group had the most precise data?Group QGroup RGroup SGroup T45s
- Q4Which piece of lab equipment would be the BEST to use when accurately measuring a liquid volume?Volumetric FlaskBeakerErlenmeyer FlaskGraduated Cylinder30s
- Q5Measure the length of the line from the ruler illustrated. Be sure to report your measurement with correct significant figures (estimate a digit).8.0 cm8.5 cm8.50 cm9.00 cm30s
- Q6What volume should be reported for the solution in this graduated cylinder?24 mL24.0 mL36 mL20.4 mL30s
- Q7Calculate 4.392 grams + 102 grams + 2.51 grams. (Hint: Notice the units in the problem are NOT the same units given in all the answer choices.)0.1 kilograms108902 kilograms109 kilograms0.109 kilograms60s
- Q8A small fire may be contained by —smothering it with a beaker.waiting until it burns out.place it carefully in water.covering it with a fire blanket.20s
- Q9In 1967, 34 million metric tons of fertilizers were used in the United States. According to the graph, how many more metric tons of fertilizers were used 30 years later?16 million25 million84 million64 million30s
- Q10Which GHS Pictogram represents a hazard that is corrosive?CADB30s
