Scientific Lexicon Cloze Quiz
Form A
Scientific Lexicon Cloze Assessment
Name:
Date:
Period:
Word Bank (Use each term once) 10 Terms Total
Barrier Contaminated Fragments Mortality Prediction Producer Qualitative Quantitative Strategy Tamper
Context: Aquatic Ecotoxicology Investigation
A biological research unit evaluated the impact of industrial runoff entering an estuary. Before beginning specimen collection, the lead investigator recorded a formal 1. , stating that chemical influx would suppress the dominant primary 2. , specifically microscopic algae supporting the trophic web. Preliminary testing revealed that water samples were heavily 3. with toxic solvent residues. To avoid cross-contamination inside the facility, air filtration served as an impermeable 4. between bays, and rigorous protocols ensured no personnel could 5. with the calibrated sensor controls.
Over a four-week assay, biologists logged an alarming increase in juvenile fish 6. , calculating death rates per thousand individuals. Cellular analysis revealed that toxic exposure broke viral and cellular nucleic acids into small 7. . Certain resilient organisms survived by deploying an alternate reproductive 8. , producing thousands of dormant eggs. The final summary combined 9. data—such as exact pH measurements and spectrophotometer absorbance—with descriptive 10. notes on gill discoloration and abnormal swimming posture.
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Form B
Scientific Lexicon Cloze Assessment
Name:
Date:
Period:
Word Bank (Use each term once) 10 Terms Total
Barrier Contaminated Fragments Mortality Prediction Producer Qualitative Quantitative Strategy Tamper
Context: Forest Regeneration Field Study
Ecologists surveyed woodland recovery following a catastrophic wildfire event. In their initial research proposal, technicians articulated a testable 1. , stating that lichens functioning as a pioneer 2. would regenerate topsoil nutrients within two seasons. However, field plots adjacent to an illegal dump site were found heavily 3. by motor oil and discarded battery acid. The field crew enclosed the pristine plots behind a protective wire 4. , adding locked enclosures so unauthorized visitors could not 5. with automated soil monitors.
As a midsummer drought intensified, researchers observed a sharp escalation in sapling 6. , recording fatal desiccation in young trees. Decades of clear-cutting had split the contiguous woodland into isolated habitat 7. , restricting native seed migration. In response to recurring environmental stress, local flora relied on an evolved dormancy 8. to endure prolonged dry spells. The team reported precise 9. findings—such as canopy foliage cover percentages and stem calipers—alongside valuable 10. logs noting leaf curling textures and pungent bark decomposition odors.
