Science · Drill 13

Science practice 13

43 questions ~9 min recommended

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1. A pharmacology lab monitored a drug in blood plasma. Table A lists measured concentration (mg/L) at several times after dosing. Table B lists percent of the initial concentration at the same times, calculated as $100\times C\_t/C\_0$. Compare what Table B changes relative to Table A.

A. Both tables report absolute concentration in mg/L, but Table B uses a different chromatography method.

B. Table B reports new measured mg/L values from a different dose, while Table A reports percentages.

C. Table A reports percent remaining, while Table B reports time in hours converted to minutes.

D. Table B expresses each time point as percent of the initial concentration, normalizing Table A’s mg/L values.

2. A physics lab investigated motion down an incline. Table A shows measured position versus time from video tracking. Table B shows calculated velocity versus time computed from the position data using $ v\=\Delta x/\Delta t$. Determine the best description of the relationship.

A. Table B lists velocity derived from Table A’s position-time data using differences over equal time intervals.

B. Table B lists position values measured by a different camera, while Table A lists calculated velocities.

C. Table A reports velocity in m/s, while Table B reports the same velocity in cm/s.

D. Table A and Table B both report acceleration, but Table B uses smaller time steps.

3. A city air-quality project monitored particulate matter near two locations. Table A shows hourly measured PM *2.5* concentrations from a roadside sensor on one weekday*.* Table B shows daily averaged PM 2.5 from a rooftop station over the same week. Compare how the two tables differ in time scale and sampling location.

A. Table A shows daily averages from a rooftop site, while Table B shows hourly roadside spikes.

B. Table A reports hourly roadside PM$_{2.5}$ for one day, while Table B reports daily rooftop averages across several days.

C. Table A and Table B both show hourly PM$_{2.5}$, but in different units.

D. Table A reports PM$_{10}$, while Table B reports PM$_{2.5}$ using the same monitoring method.

4. A nutrition study compared two ways of reporting sugar in beverages. Table A lists measured sugar mass per serving in grams (g) from lab analysis. Table B lists calculated sugar concentration in grams per 100 mL, using each drink’s serving volume. Identify the key difference between the tables.

A. Table A reports sugar per serving measured in grams, while Table B reports calculated sugar per 100 mL normalized by volume.

B. Both tables report measured sugar per serving, but Table B uses ounces instead of grams.

C. Table A reports sugar concentration per 100 mL, while Table B reports calories per serving from labels.

D. Table A reports calculated sugar, while Table B reports measured sugar using a different laboratory method.

5. An oceanography lab compared salinity measurements from two instruments. Table A shows salinity measured in practical salinity units (PSU) using a conductivity probe. Table B shows chloride concentration measured in g/L using a titration method at the same depths. Identify the primary difference in what is being measured and how.

A. Both tables measure chloride, but Table A reports daily averages and Table B reports hourly spikes.

B. Table A measures salinity (PSU) with a conductivity probe, while Table B measures chloride (g/L) by titration at the same depths.

C. Both tables measure salinity in PSU, but Table B uses a different depth scale in centimeters.

D. Table A measures chloride (g/L) by titration, while Table B measures salinity (PSU) with a conductivity probe.

6. Consider the plant in Chamber 3 and the plant in Chamber 7. Which of the following statements about these two plants is most accurate?

A. Both plants were exposed to the same environmental conditions (40% humidity and 400 μmol/m²/s light) and had the same transpiration rate of 4.8 mg/cm²/hr.

B. The plant in Chamber 3 experienced a higher temperature than the plant in Chamber 7.

C. The plant in Chamber 3 had a transpiration rate of 6.5, while the plant in Chamber 7 had a transpiration rate of 4.8.

D. The plant in Chamber 7 was exposed to a higher light intensity than the plant in Chamber 3.

7. Which of the following best describes the relationship between the two data tables? Table A shows the temperature in Celsius of a chemical reaction over time, while Table B shows the pressure in atmospheres of the same reaction under identical conditions.

A. Table A measures temperature; Table B measures pressure.

B. Table A and B use different units for the same measurements.

C. Table A shows pressure, while Table B shows velocity.

D. Both tables measure the same variable under different conditions.

8. A geology lab compared two methods for estimating rock density. Table A lists measured mass and volume for rock samples using a balance and water displacement. Table B lists calculated density for the same samples using $\rho\=\text{mass}/\text{volume}$. Identify the relationship.

A. Table B lists density calculated from Table A’s measured mass and volume for the same rock samples.

B. Both tables list density, but Table B uses SI units (kg/m$^3$) instead of g/cm$^3$.

C. Table A reports water temperature and meniscus height, while Table B reports mass from a balance.

D. Table B lists measured mass and volume, while Table A lists calculated density using a different formula.

9. A robotics team tested battery performance. Table A shows measured voltage (V) over time while the robot drove on flat ground. Table B shows measured current (A) over time during the same flat-ground test. Determine the main difference between the data sets.

A. Table A reports power (W), while Table B reports energy (J) calculated from voltage and current.

B. Both tables report voltage, but Table B converts volts to millivolts and changes the sampling times.

C. Table A reports voltage over time, while Table B reports current over time for the same drive and matching time points.

D. Table A reports current in amps, while Table B reports voltage in volts for a different driving route.

10. An astronomy club recorded brightness of a variable star. Table A lists apparent magnitude measured by a telescope camera each night. Table B lists relative brightness (unitless) calculated from magnitude using the logarithmic relationship that lower magnitude means brighter. Compare what differs between the tables.

A. Table A reports brightness ratios, while Table B reports magnitudes from a different star.

B. Table A reports distance in parsecs, while Table B reports magnitude for the same nights.

C. Table A and Table B both report magnitude, but Table B uses a different telescope and calibration.

D. Table A gives measured magnitude values, while Table B gives calculated linear brightness ratios derived from those magnitudes.

11. Which of the following best describes the relationship between the two data tables? Table A shows the annual production of wheat in tons, while Table B shows the annual profit in dollars.

A. Table A measures production; Table B measures profit.

B. Both measure production in different units.

C. Both measure profit but in different currencies.

D. Table A shows profit, while Table B shows production.

12. What is the primary difference between the two tables? Table A shows the number of students enrolled in courses, while Table B shows the number of courses available.

A. Table A shows courses, while Table B shows students.

B. Table A measures students; Table B measures courses.

C. Both measure courses but in different departments.

D. Both measure students but in different years.

13. Based on Table 2, which surface material created the greatest resistance (friction) to the movement of the block?

A. Smooth Wood

B. Sandpaper

C. Plastic

D. Rubber

14. How do the data sets differ? Table A shows the number of hours of television watched per week, while Table B shows the number of books read per month.

A. Table A measures TV hours; Table B measures books read.

B. Table A shows books read, while Table B shows TV hours.

C. Both measure books read but in different time frames.

D. Both measure TV hours but in different households.

15. What is the primary difference between the two tables? Table A shows the water usage in liters for different household activities, while Table B shows the time taken in minutes.

A. Both measure time but in different units.

B. Both measure water usage but in different households.

C. Table A shows time, while Table B shows water usage.

D. Table A measures water usage; Table B measures time.

16. What is the primary difference between the two tables? Table A shows the energy consumption in kilowatt-hours for different appliances, while Table B shows the cost in dollars.

A. Both measure energy but in different units.

B. Table A shows cost, while Table B shows price.

C. Table A measures energy; Table B measures cost.

D. Table A measures cost, while Table B measures consumption.

17. Which of the following best describes the relationship between the two data tables? Table A shows the carbon footprint in kilograms of CO2 for various activities, while Table B shows the energy consumption in kilowatt-hours.

A. Table A shows energy consumption, while Table B shows carbon footprint.

B. Table A measures carbon footprint; Table B measures energy consumption.

C. Both measure energy but in different units.

D. Both measure carbon footprint under different conditions.

18. What is the primary difference between the two tables? Table A shows the fuel efficiency in miles per gallon, while Table B shows the engine size in liters.

A. Both measure size but for different car models.

B. Table A measures fuel efficiency; Table B measures engine size.

C. Both measure efficiency but in different units.

D. Table A shows engine size, while Table B shows efficiency.

19. Which of the following best describes the relationship between the two data tables? Table A shows the altitude of mountain peaks in meters, while Table B shows their temperature in degrees Fahrenheit.

A. Table A measures altitude; Table B measures temperature.

B. Table A shows temperature, while Table B shows altitude.

C. Both measure temperature but in different conditions.

D. Both measure altitude but in different units.

20. Which of the following best describes the relationship between the two data tables? Table A shows the pH level of various water samples, while Table B shows the temperature of the same samples in Celsius.

A. Both tables measure temperature but use different scales.

B. Both measure pH level under different conditions.

C. Table A shows temperature, while Table B shows pH level.

D. Table A measures pH level; Table B measures temperature.

21. How do the data sets differ? Table A shows the number of hours the sun shines per day, while Table B shows the solar energy produced in kilowatt-hours.

A. Table A measures sunlight hours; Table B measures energy.

B. Table A shows energy, while Table B shows sunlight hours.

C. Both measure sunlight but in different locations.

D. Both measure energy but in different units.

22. How do the data sets differ? Table A shows the number of sunny days per year in City Y, while Table B shows the average rainfall in inches.

A. Table A measures sunny days; Table B measures rainfall.

B. Table A shows rainfall, while Table B shows sunny days.

C. Both measure rainfall but in different units.

D. Both measure sunny days but in different cities.

23. How do the data sets differ? Table A shows the concentration of a gas in parts per million, while Table B shows the same concentration in micrograms per cubic meter.

A. Different time frames for the same measurement.

B. Same units but different gases measured.

C. Different gases measured in different units.

D. Different units for the same concentration.

24. How do the data sets differ? Table A shows the average rainfall in millimeters for City X, while Table B shows the average temperature in Celsius for the same city.

A. Table A shows temperature, while Table B shows rainfall.

B. Table A and B measure the same variable in different locations.

C. Table A measures rainfall; Table B measures temperature.

D. Both measure temperature but in different units.

25. A student hypothesizes that a solution containing 1.50 moles of NaCl will have the exact same freezing point and boiling point as a solution containing 1.00 mole of MgCl₂. Is this hypothesis supported by the data in Tables 1 and 2?

A. No; the 1.50 mole NaCl solution has a lower freezing point than the 1.00 mole MgCl₂ solution.

B. No; the 1.00 mole MgCl₂ solution has a lower freezing point than the 1.50 mole NaCl solution.

C. Yes; both solutions yield a freezing point of −5.58°C and a boiling point of 101.53°C.

D. Yes; both solutions yield a freezing point of −3.72°C and a boiling point of 101.02°C.

26. Compare the results of Trial 2 and Trial 5. Which set of conditions resulted in a faster reaction rate?

A. Trial 2, because the reaction temperature was lower.

B. Trial 2, because it took 40 seconds to collect the gas, whereas Trial 5 took 42 seconds.

C. Trial 5, because the temperature was higher than in Trial 2.

D. Trial 5, because the concentration was lower than in Trial 2.

27. What is the primary difference between the two tables? Table A shows the growth rate of plants in centimeters per day under sunlight, while Table B shows the same growth rate in darkness.

A. Different plants being measured.

B. Different units used for plant growth.

C. Different growth rates measured.

D. Different lighting conditions: sunlight vs darkness.

28. Based on Figures 1 and 2, which substance behaves most similarly to Oxygen gas (O₂) in terms of how its solubility changes with temperature?

A. KNO₃

B. NaCl

C. Ce₂(SO₄)₃

D. None of the solids behave like the gas.

29. By comparing Figure 1 and Figure 2, what explains the fact that the plant maintains a 25% relative rate of photosynthesis at 500 nm, even though both Chlorophyll a and Chlorophyll b have an absorption rate of nearly 0% at that wavelength?

A. The plant uses heat energy from the surrounding environment to compensate for the lack of light absorption.

B. Carotenoids are absorbing light in the 500 nm range and contributing that energy to the photosynthetic process.

C. The plant switches from photosynthesis to cellular respiration at 500 nm.

D. Chlorophyll b mutates at 500 nm to absorb red light instead.

30. Based on Figures 1 and 2, the sharp increase in density at a depth of 5,100 km corresponds to which change in P-wave velocity?

A. An increase from 8 km/s to 13 km/s.

B. An increase from 10 km/s to 11 km/s.

C. A decrease from 10 km/s to 0 km/s.

D. A decrease from 13 km/s to 8 km/s.

31. A materials science class compared how a polymer film behaves when stretched. Table A summarizes measured force and extension collected with a digital force gauge while pulling the film at room temperature. Table B summarizes calculated stress and strain for the same pulls, using the film’s measured cross-sectional area and original length. Use the tables to compare what each data set represents.

A. Table A reports measured force and extension, while Table B reports calculated stress and strain from those measurements.

B. Table A reports calculated stress and strain, while Table B reports measured force and extension from instruments.

C. Table A and Table B both report stress and strain, but Table B uses a different polymer material.

D. Table A and Table B both report raw force and extension, but in different unit systems.

32. Researchers tested an enzyme’s activity under different acidity conditions. Table A lists measured reaction rate at several pH values using a spectrophotometer. Table B lists measured reaction rate at the same pH values but at a higher temperature. Determine the primary relationship between the tables.

A. Table A reports calculated rates, while Table B reports measured rates using a different instrument.

B. Table A reports temperature dependence, while Table B reports pH dependence of a different enzyme.

C. Table B converts Table A’s rates into different units, without changing temperature or conditions.

D. Table B repeats Table A but at a higher temperature, so rates can be compared across temperatures at each pH.

33. A public health team summarized flu vaccination in two age groups. Table A shows counts of vaccinated and unvaccinated people in a sample of adults ages 18–49. Table B shows percentages vaccinated and unvaccinated in a separate sample of adults ages 65+. Determine how the tables differ in both population and reporting format.

A. Table A gives counts for ages 18–49, while Table B gives percentages for ages 65+ from a different sample.

B. Table A gives percentages for ages 65+, while Table B gives counts for ages 18–49 from the same sample.

C. Both tables give counts, but Table B includes two additional vaccination categories not shown in Table A.

D. Both tables describe the same age group, but Table B uses different vaccine types instead of vaccination status.

34. A biology class examined plant growth under different light colors. Table A shows mean plant height after 14 days under red, blue, or white LEDs (n\=10 per group). Table B shows mean leaf count after 14 days under the same light treatments (n\=10 per group). Compare what variable each table measures.

A. Table A reports light intensity, while Table B reports plant growth rate per hour.

B. Table A measures height in centimeters, while Table B measures leaf number under the same light treatments and duration.

C. Table A measures leaf number, while Table B measures height for different light colors and different sample sizes.

D. Both tables measure height, but Table B reports median instead of mean values.

35. A renewable energy class compared solar panel output under two sky conditions. Table A shows measured power output (W) at different times on a clear day. Table B shows measured power output (W) at the same times on an overcast day. Identify the relationship between the tables.

A. Table A is calculated from Table B by converting watts to kilowatts for the same weather conditions.

B. Table A measures voltage, while Table B measures current, so power cannot be compared between days.

C. Both tables measure power in watts at the same times, but Table B is overcast while Table A is clear.

D. Table A reports wind speed effects on output, while Table B reports panel temperature under identical sunlight.

36. A meteorology class compared temperature reporting in two countries. Table A lists measured air temperature in °C at four times in one day. Table B lists the same temperatures converted to °F using $F\=\frac{9}{5}C+32$. Identify the relationship.

A. Table B measures humidity instead of temperature, using °F as the humidity unit.

B. Table A reports Fahrenheit temperatures, while Table B reports Celsius temperatures calculated from wind speed.

C. Table B contains the same temperature measurements as Table A but converted from °C to °F using a formula.

D. Table B reports temperatures from a different day, so the values cannot be converted from Table A.

37. A chemistry class studied how quickly an antacid neutralizes acid. Table A shows measured pH at different times after adding antacid to 0.10 M HCl. Table B shows calculated hydrogen ion concentration $\\text{H}^+$ in mol/L at the same times using $\\text{H}^+\=10^{-\text{pH}}$. Identify the best comparison.

A. Table B converts Table A’s pH readings into $[\text{H}^+]$ concentrations using $10^{-\text{pH}}$ at the same times.

B. Table B reports measured pH with a different probe, while Table A reports calculated $[\text{H}^+]$.

C. Both tables report pH, but Table B uses minutes instead of seconds for the same values.

D. Table A reports $[\text{H}^+]$ in mol/L, while Table B reports pH in a linear scale.

38. A hydrology team compared stream conditions during two seasons. Table A lists measured stream discharge and water temperature at one site in April. Table B lists measured discharge and temperature at the same site in August. Identify how the tables relate.

A. Table A and Table B measure different streams, so their discharge values cannot be compared.

B. Table A reports calculated discharge from rainfall, while Table B reports measured discharge from a current meter.

C. Table A reports spring discharge and temperature, while Table B reports the same variables in summer at the same site.

D. Table A reports discharge in L/s, while Table B reports discharge in m$^3$/s for the same dates.

39. How do the data sets differ? Table A shows the velocity of a car in meters per second, while Table B shows its acceleration in meters per second squared.

A. Table A shows the same variable in different units.

B. Both tables measure acceleration in different units.

C. Both tables measure velocity but in different time periods.

D. Table A measures velocity, while Table B measures acceleration.

40. What is the primary difference between the two tables? Table A shows the number of calories burned during exercise, while Table B shows the duration of exercise in minutes.

A. Table A measures calories; Table B measures time.

B. Table A shows time, while Table B shows calories.

C. Both measure calories burned but in different exercises.

D. Both measure time but in different units.

41. Based on Table 2, which surface material created the greatest resistance (friction) to the movement of the block?

A. Rubber

B. Plastic

C. Sandpaper

D. Smooth Wood

42. Based on Figures 1 and 2, which substance behaves most similarly to Oxygen gas (O₂) in terms of how its solubility changes with temperature?

A. Ce₂(SO₄)₃

B. KNO₃

C. NaCl

D. None of the solids behave like the gas.

43. Based on Figures 1 and 2, the sharp increase in density at a depth of 5,100 km corresponds to which change in P-wave velocity?

A. A decrease from 10 km/s to 0 km/s.

B. A decrease from 13 km/s to 8 km/s.

C. An increase from 8 km/s to 13 km/s.

D. An increase from 10 km/s to 11 km/s.

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