Lab Safety
Ecosystems
Chemical
Reactions
Motion
Energy
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QUESTION:
ANSWER:
• What is are flammable and combustible materials?
QUESTION:
ANSWER:
• What is a dangerously reactive material?
QUESTION:
•This piece of equipment protects you (and your clothing)
from spilled materials.
ANSWER:
• What is a lab apron?
QUESTION:
• This category of substances contains dangerous
microorganisms.
ANSWER:
• What is biohazardous material?
QUESTION:
• These substances do not usually burn themselves but they
will either help a fire by providing more oxygen or they may
cause materials that normally do not burn to suddenly catch
on fire (i.e. spontaneous combustion).
ANSWER:
• What are oxidizing materials?
QUESTION:
• Predator-prey interaction in which one organism eats all or
part of another organism.
ANSWER:
• What is predation?
QUESTION:
• The average conditions of the atmosphere (precipitation,
temperature, and humidity) in a large region over 30 years or
more.
ANSWER:
• what is a climate?
QUESTION:
• The largest division of the biosphere, which includes large
regions with similar biotic components.
ANSWER:
• What is a Biome?
QUESTION:
• A symbiotic relationship between two organisms in whish
both organisms benefit.
ANSWER:
• What is mutualism?
QUESTION:
• The process in which both plants and animals release
carbon dioxide back into the atmosphere by converting
carbohydrates and oxygen into carbon dioxide and water.
ANSWER:
• What is cellular respiration?
QUESTION:
• The electrons in the outermost shell of an atom.
ANSWER:
• What is a valence electron?
QUESTION:
• Pure substances that react in a chemical change.
ANSWER:
• What is a reactant?
QUESTION:
• A bond that forms as a result of attraction between
positively and negatively charged ions.
ANSWER:
• What is an ionic bond?
QUESTION:
• A chemical compound that is colourless in acidic or slightly
basic solutions but turns pink in moderately basic to highly
basic solutions.
ANSWER:
• What is phenolphthalein?
QUESTION:
• A chemical reaction that usually involves two ionic solutions
reacting to produce two other ionic compounds, either or
both of which produce a precipitate.
ANSWER:
• What is a double replacement reaction?
QUESTION:
• A quantity that has only a magnitude (does not include a
direction).
ANSWER:
• What is a scalar quantity?
QUESTION:
• The straight-line distance and direction from one point to
another.
ANSWER:
• What is displacement?
QUESTION:
• The displacement of an object during a time interval
divided by the time interval.
ANSWER:
• What is Velocity?
QUESTION:
• The rate at which an object changes its velocity.
ANSWER:
• What is acceleration?
QUESTION:
• Travelling in equal displacements in equal time intervals;
neither speeding up, slowing down, nor changing direction.
ANSWER:
• What is uniform motion?
QUESTION:
• The energy of an object due to its motion.
ANSWER:
• What is kinetic energy?
QUESTION:
• The total energy of all the particles in a solid, liquid, or gas.
ANSWER:
• What is thermal energy?
QUESTION:
• A theory that all matter is composed of particles (atoms
and molecules) moving constantly in random directions.
ANSWER:
• What is kinetic molecular theory?
QUESTION:
• The ability of a substance to warm the atmosphere by
trapping thermal energy.
ANSWER:
• What is global warming potential (GWP)?
QUESTION:
• A recurring current in the mantle that occurs when hotter,
less dense material rises, cools, and then sinks again (This
current is believed to be one of the driving forces behind
tectonic plate movement).
ANSWER:
• What is mantle convection?