Chemistry
This is the acronym for a group of elements that occur in nature as 2-atom molecules instead of single atoms
What is HOBrFINCl?
This is the name for the only trophic level that draws its energy from an abiotic source
What is a primary producer?
A method of charging that involves rubbing two different insulators together
What is charging by friction?
This person is the assistant head of the Upper School (and head of student life)
Mr. Hunter
These variables are important to keep constant in an experiment to ensure fair trials that accurately measure the variable being investigated
What are controls?
This type of electron can be taken away or added to an atom to make it an ion
What is a valence electron?
These are the products of cellular respiration
What are carbon dioxide and water?
The energy gained or lost by a unit of charge as it passes between two points
What is Voltage OR Potential Difference?
This is the name of the property recently purchased by Crescent
What is the Bob Rumball Center?
A large presence of this element makes the planet Mars appear red
What is iron?
This model for the atom suggested that positive charge was evenly distributed throughout, with negative charges at various points
What is the plum-pudding model?
This is the name for a group of microscopic photosynthetic aquatic organisms
What is phytoplankton?
A device that interrupts a circuit when the current reaches a certain value
What is a fuse?
This Crescent core value has the most amount of letters
What is Responsibility?
This type of device increases current and decreases voltage, or vice-versa.
What is a transformer?
A name for a collection of elements that have the same number of valence shells
What is a period?
This is the name for the bacterial process of turning ammonium into nitrate.
Nitrification
These are the two processes that need to be done to permanently charge an electroscope
What are charging by induction and grounding?
This is the first headmaster of Crescent
Who is John William James?
This type of blood vessel carries blood that is LEAVING the heart
What is an artery?
This is the name for a solid that forms in a chemical reaction between liquids
What is a precipitate?
If the primary producers in an ecosystem take in 15kJ of energy, this is the approximate amount of energy that will be available to tertiary consumers (in Joules)
What is 15?
This is the total resistance of three 15 ohm resistors in parallel
What is 5 ohms?
The ravine near Crescent feeds into which river? (Be Specific)
What is the West Don River?
The name of a reaction that requires energy input to proceed
What is endothermic?