Untitled Flashcards Set

Proper lab attire includes __.

lab coats, safety goggles, closed-toe shoes, and gloves.

In the lab, it is prohibited to __.

eat, drink, or chew gum to avoid contamination.

Know the location of emergency equipment like __.

eyewash stations, fire extinguishers, safety showers, and first aid kits.

Dispose of biohazard waste in __ containers.

biohazard-labeled containers, NOT regular trash bins.

SI Units stand for __.

International System of Units.

1 inch is equal to __ centimeters.

2.54 cm.

1 pound is equal to __ kilograms.

0.454 kg.

1 gallon is equal to __ liters.

3.785 L.

The basic unit of length is __.

meter (m).

Instruments for measuring length include __.

rulers, measuring tapes, and calipers.

The basic unit of mass is __.

kilogram (kg).

Mass is measured using __.

balances (digital or triple-beam).

The basic unit of volume for liquids is __.

liter (L).

Instruments for measuring volume include __.

graduated cylinders and pipettes.

Meniscus refers to __.

the curve seen at the liquid's surface.

The basic unit of temperature is __.

Celsius (°C).

Instruments for measuring temperature include __.

thermometers.

DBH stands for __.

Diameter at Breast Height.

Accuracy refers to __.

how close a measurement is to the true value.

Precision refers to __.

how close repeated measurements are to each other.

The scientific investigation process includes __ steps.

observation, question, literature review, hypothesis, prediction, experiment, conclusion.

A testable hypothesis must be and .

measurable and falsifiable.

Variables in an experiment include independent, dependent, and __ variables.

controlled variables.

A continuous variable is __.

measurable (e.g., height, time).

A discrete variable is __.

countable (e.g., number of pets).

An experimental group __.

receives treatment.

A control group __.

does not receive treatment.

A line graph represents __ data.

continuous data.

A histogram displays __ distribution.

frequency distribution.

In a scientific paper, the 'Abstract' provides __.

a summary.

'Methods' section details __.

the procedures followed in the experiment.

Allelopathy is defined as __.

plants releasing chemicals that affect other plants.

Allelochemicals are chemicals produced to __.

inhibit other plants.

Building Green refers to __.

eco-friendly building practices.

LEED Certification is a __ system based on green features.

points.

Bioplastics are alternatives to plastics made from __.

plants.

Eutrophication leads to __ depletion in aquatic ecosystems.

oxygen.

An invasive species is one that __.

harms ecosystems.

Entomopathogenic nematodes (EPNs) are __ that kill pests.

microscopic worms.

UV water purification works by __.

killing DNA.

The E. coli limit is __ colonies per 100 ml.

0.

Abiotic factors are __ components in an ecosystem.

non-living.

Bacterial colonies are defined as __ clusters of bacteria.

visible.

The maximum sustainable population in ecology is called __.

carrying capacity (K).

Overshoot occurs when a population __.

exceeds carrying capacity.

Climate change can affect __ rates of populations.

growth, migration, and extinction.

The visible area through a microscope is called __.

field of view.

A compound microscope provides __ magnification.

higher.

Measuring tools in labs can include __ and rulers.

tapes, wheels.

Pipettes are used for __ liquid measurements.

transferring.

A wet mount involves __ water on a slide before adding the specimen.

dropping.