Regents exam
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Regents Exam. Lab Practical Review. Station 1 Mineral Identification. Identify 2 minerals by name based on identification tests. Station 2 Rock Classification. Using charts, you will classify a rock as igneous, sedimentary or metamorphic in one or more complete sentences. Igneous

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Regents exam

Regents Exam

Lab Practical Review


Station 1 mineral identification

Station 1 Mineral Identification

  • Identify 2 minerals by name based on identification tests


Station 2 rock classification

Station 2 Rock Classification

  • Using charts, you will classify a rock as igneous, sedimentary or metamorphic in one or more complete sentences.

Igneous

Intergrown crystals

Bubbles

Glassy texture

Sedimentary

Layers

Visible sediments

Fossils

Metamorphic

Distorted layers

Visible flakes


Station 3 angular measurement

Station 3 Angular Measurement

  • Using a plastic hemisphere with the approximate path of the sun draw on it, you will locate the position of the sun at a given time.

  • You will measure the distance between the sun’s position and a fixed point on the dome.


Regents exam

6am – 12pm = ? degrees

Sun moves at 15º per hour

6 hours x 15 degrees/hour=

90degrees

12

noon

2pm

9am

5pm

East

South

6am

West

5pm

6am

9am

12

noon

2pm

North


Regents exam

9am – 2pm = ? degrees

Sun moves at 15º per hour

5 hours x 15 degrees/hour=

75 degrees

12

noon

2pm

9am

5pm

East

South

6am

West

5pm

6am

9am

12

noon

2pm

North


Regents exam

9am – 12pm = ? degrees

Sun moves at 15º per hour

3 hours x 15 degrees/hour=

45degrees

12

noon

2pm

9am

5pm

East

South

6am

West

5pm

6am

9am

12

noon

2pm

North


Regents exam

12

noon

2pm

9am

5pm

East

South

6am

West

5pm

6am

9am

12

noon

2pm

North


Regents exam

5.9 cm


Station 4 mass density

Station 4 Mass Density

  • Using a scale, you will measure the mass of a mineral.

  • You will be given the density of the sample.

  • Using the mass you measured and the density given to you, you will calculate the volume of the sample.


Regents exam

D = m / v D = m / v


Station 5 settling time

Station 5 Settling Time

  • You will drop beads of three different sizes into a tube filled with a liquid and measure the time that it takes for the bead to settle.

  • Three times for each size will be measured and averaged.


Regents exam

057

053

092

078

103

185


Regents exam

056

147

051

169

091

080


Station 6 graphing

Station 6 Graphing

  • Using the data collected from station 5 (bead drop) you will graph three data points.

  • Using the line drawn on the graph, you will determine the settling time for a theoretical bead of a given size.


Regents exam

4

And what about at 2.5?

3

seconds

3.2 seconds

2

And what about at 6?

1

1.6 seconds

1

2

3

4

5

6

centimeters


A note on rounding and labeling

A note on rounding and labeling

  • Read the station directions carefully

  • If it says to label your answer, then do it.

  • If it says to round to the nearest tenth, hundredth, etc., do it.


Regents exam

  • Grams = g

  • Centimeters = cm

  • Degrees = º or degrees

  • Seconds = sec

  • Cubic centimeters = cm3

  • Grams per cubic centimeter = g/cm3


Regents exam

7.58 seconds

Rounded to the nearest tenth:

0:0158

7.6 sec

Rounded to the nearest hundredth:

7.58 sec


Regents exam

4.00 seconds

Rounded to the nearest tenth:

0:0400

4.0 sec

Rounded to the nearest hundredth:

4.00 sec

Not rounded- totally wrong:

4 sec


Regents exam

Good Luck!


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