SCIENCE ACT Prep

PASSAGE I

100

Question ONE 

D - In Experiment 2, chlorophyll level was tested in addition to phosphates and nitrates, while in Experiment 1, it was not.

200

Question FOUR

H - Chlorophyll levels increase sharply the day after application of fertilizer on the golf course.

300

Question SIX 

J - 20.1 mg / L 

400

Question THREE

C - increasing the number of farms on the lake.

500

Question FIVE 

A - Sample groundwater near the sewage systems, testing for phosphate and nitrate content. 

PASSAGE II/III

100

Question NINE

C - Sample 4 

200

Question TEN 

H - larger than .06mm

300

Question TWELVE

H - the same material that composes the terrestrial planets

400

Question FOURTEEN 

G - The asteroids' ice content decreased after the belt was formed. 

500

Question SEVENTEEN

C - 10,000:100:10 

PASSAGE IV/V

100

Question NINETEEN

D - Test tube 5

200

Question TWENTY-ONE

D - All possible combinations of nutrients were not tested.

300

Question TWENTY-SEVEN

D - II and IV only

400

Question TWENTY-NINE

D - 20.9 

500

Question TWENTY-FOUR

F - Varying the amount of yeast added to the test tubes and repeating the steps of Experiment 3. 

PASSAGE VI

100

Question THIRTY-TWO 

H - direct

200

Question THIRTY-THREE

B - Shale

300

Question THIRTY 

H - Uniform particle size; low concentration of contaminants. 

400

Question THIRTY-FOUR 

F - Increasing over time

500

Question THIRTY-FIVE 

A - A rock with a low density will always be highly porous. 

PASSAGE VII

100

Question THIRTY-EIGHT 

F - increases only 

200

Question THIRTY-SIX

H - Carbonite 

300

Question THIRTY-NINE

A - Hydrogen

400

Question THIRTY-SEVEN

D - 16 psi / 150*C 

500

Question FORTY 

J - Fauna F