What are two chemical processes that are necessary for all life on Earth to function?
Photosynthesis and Cellular Respiration
100
Is for copper (II) oxide has a ______ bond?
Ionic
100
What is the difference between a scalar and vector quantity?Give an example of each.
Scalar includes magnitude - but no direction, whereas a vector has both magnitude and direction
100
What is the movement of Earth's tectonic plates caused by?
Convection currents in the mantle.
100
A roller coaster accelerates its riders from 0 m/s to +25 m/s in 5 s. What is the acceleration?
+5m/s2
200
What type of Ecological pyramid is the only one that MUST be an actual pyramid shape?
Pyramid of Energy
200
What is the difference between a molecular and ionic compound?
A molecular compound has covalent bonds and an ionic is a complete transfer of electrons.
200
What is inertia?
The tendency of an object to keep doing what it is doing
200
Which type of seismic wave is the most damaging and which is the fastest?
surface waves are the most damaging
p-wave is the fastest
200
What is the momentum of a ball if it has a mass of 0.245 kg and is moving at a velocity of 25 m/s?
3.6 kg (m/s)
300
What is biomagnification?
The buildup or magnifying effects of a chemical or toxin that enters an ecosystem via producers, and is most pronounced in top predators
300
What is a solvent?
A substance that is usually found in larger amounts that is responsible for the process of dissolving a solute.
300
What is the equation for a Hit and Stick collision?
m1v1 + m2v2 = (m1 + m2) vf
300
What usually marks the end of an era?
A mass extinction OR a major change in the types of organisms that populated the Earth
300
You have a 750 mL bottle of vinegar with 80 mL acetic acid. What is the percent by volume concentration of acetic acid?
11%
400
What is carrying capacity and which categorization of organisms does it apply to?
Carrying capacity is the amount of organisms an ecosystem can support at a stable equilibrium
It applies to populations
400
FeSO4 + Zn --> ZnSO4 + Fe
what is being oxidized?
Fe
400
Force is usually measured in Newtons. What is a N equal to?
kg (m/s2)
400
What type of plate boundary is found in the Andes Mountains on the western coast of South America?
Convergent plate boundary OR subduction zone
400
If a car with a mass of 900kg accelerates at 5.0 m/s2, what force would that car have?
4500N
500
What has been a long lasting impact of forest fires, burning fossil fuels and deforestation?
An increase of Carbon Dioxide (a greenhouse gas) to the atmosphere
500
What does Reduce mean? Give 2 things that indicate when an atom is reduced.
1) It gains an electron
2) In losses charge
500
Kevin drive 850 km W to Big White to snowboard. He drives another 75 km E to Fernie the next day. Instead of driving back to Edmonton, he drives 525 km E to Banff. What is his displacement and distance traveled from his starting point of Edmonton?
Displacement = 250 km W of Edmonton
Distance = 1450 km
500
What is one piece of evidence that is used to support the theory of Continental Drift?
Answers may vary
500
If you were to dilute a 350 mL solution of 2.5 mol/L of HCl to a final concentration of 1.2 mol/L, what would the final volume be?