Final For Semester 1 Part 1 Question Preview (ID: 45145)
Benchmark 1 Graphs And Lab Safety.
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1. In science lab, a student notices a large wet spot from an unknown liquid on the lab table. How should the student proceed?
a) She should wipe it up with a paper towel
b) She should inform the teacher about it
c) She should leave it where it is and let it evaporate.
d) She should ask her lab partner to help her collect it in a beaker
In science lab, a student is examining animal cells under a microscope. She sees that the slide looks fuzzy. How should the student proceed?
a) She should allow more light to shine on the slide
b) She should adjust the fine focus, then the coarse focus
c) She should allow less light to shine on the slide.
d) She should adjust the coarse focus, then the fine focus
Carol needs to measure 25 milliliters (mL) of a liquid for a science experiment. Which is an appropriate tool for measuring volume?
a) micrometer
b) pH probe
c) graduated cylinder
d) balance
Carlita needs to graph data showing the changes in an eagle population over a period of twenty years. Which of the following graphs would best represent the data?
a) line graph
b) pie graph
c) bar graph
d) histogram
15. Marco researched the earthquakes that occurred in Arizona in 2005. He wants to graph the magnitudes of the 41 earthquakes for which magnitudes were measured. What graph will show the earthquake magnitude?
a) histogram
b) line graph
c) stem-and-leaf graph
d) double bar graph
Given a chart with years and population numbers of penguins, a scientist would use what graph?
a) pie graph
b) bar graph
c) histogram
d) line graph
Given 2 types of corn and their growth during rainy season and drought, the type of graph a scientists would use is?
a) histogram
b) line graph
c) stem-and-leaf graph
d) double bar graph
Kylie records how long she sleeps each night for a week and notes whether or not she can remember her dreams. Which scientific process is she using?
a) predicting
b) questioning
c) hypothesizing
d) organizing data
Roger watched the bird feeder in his backyard to find out how many different types of birds visited it over the course of 15 minutes. Which scientific process is he using?
a) inferring
b) observing
c) predicting
d) hypothesis
Melody assumed animals that hibernate during winter do so because they cannot find enough food. Which scientific process is she using?
a) inferring
b) observing
c) classifying
d) measuring
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