Atomically Challenged
Enticingly Electric
There's No Place Like Oikos (Ecology)
We're Made of Star Stuff
Mischievous Miscellany
100
Symbol, atomic number, and atomic mass (rounded to the nearest whole number) of sodium.
What are Na, 11, and 23u?
100
When charging by induction, a positively charged object will give a neutral object this type of charge.
What is a negative charge?
100
The negative process which greatly impacts organisms higher on the food chain. (Hint: DDT + predatory birds)
What is bioamplification?
100
One astronomical unit is the same as the average distance between these two celestial bodies.
What are the Sun and the Earth?
100
The meaning of this WHMIS pictogram:
What is corrosive material?
200
The main property that makes gold leaf gilding possible.
What is high malleability?
200
The charge on a cat's fur after the cat rubs against a polyester shirt.
What is a positive charge?
200
The type of species interaction between barnacles and whales.
What is commensalism?
200
The planets in order from farthest from the Sun to nearest.
What are Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, and Mercury?
200
The fourth state of matter.
What is plasma?
300
The type of bond formed between Ca2+ and CO32- and the number of oxygen atoms in two molecules of calcium carbonate: 2CaCO3.
What are ionic bond and 6 oxygen atoms?
300
The amount of current (with proper unit) flowing through a circuit with a potential difference (voltage) of 50 V and a resistance of 5 Ω.
Helpful Equations:
R = V/I V = E/Q I = Q/t
What is 10 A?
300
One human impact to one of the cycles taught in class.
What are...
Water - bottling water, building factories, run-off, etc.
Carbon - increased carbon emissions from factories etc.
Nitrogen - algae blooms
?
300
The two types of tails on a comet and their composition.
What are gaseous tail (coma + gaseous tail from the Sun) and dust tail (points toward the comet's origin)?
300
Name one biotic and one abiotic factor in a tundra ecosystem.
What is...
Biotic: rapid-flowering plans, mosses & lichens, caribou, ptarmigan, lemmings, Arctic foxes
Abiotic: low temperatures for most of the year, short growing season, permafrost layer beneath soil, 0-25 cm/yr annual precipitation, poor soil quality?
400
The Bohr-Rutherford Diagram for deuterium (2H), aka heavy hydrogen.
What is...
?
400
The amount of energy in joules required to transfer 10 coulombs of charge across the terminals of a 9-volt battery.
Helpful Equations:
R = V/I V = E/Q I = Q/t
What is 90 J?
400
The roles of photosynthesis and cellular respiration in the carbon cycle.
What is... photosynthesis takes carbon dioxide out of the atmosphere and converts it into sugars stored in the biosphere and cellular respiration breaks down sugars and releases carbon dioxide into the atmosphere?
400
Two basic diagrams showing the difference between a lunar and a solar eclipse.
What are...
Solar eclipse: Moon is in between the Earth and Sun.
Lunar eclipse: Earth is in between the Moon and Sun.
?
400
The name and cause of this phenomenon near the North Pole.
What are the aurora borealis and solar particles colliding with matter in Earth's upper atmosphere?
500
The mass of an object with a density of 9 g/cm3, and dimensions 0.02 m by 0.05 m by 0.1 m.
What is 900g or 0.9 kg?
500
The circuit diagram for two bulbs in parallel and a third in series connected to a two cell battery in series with a switch in the open position controlling all bulbs and a voltmeter on the battery.
What is...
?
500
A producer, a primary consumer, and a quaternary consumer in this marine food web.
What are...
Producer: phytoplankton
Primary consumer: Mesozooplankton/Micronekton/Microzooplankton/Bacteria
Quaternary consumer: Shark/Tuna/Marlin?
500
The cause of the upcoming solstice and its effect on day length.
What is the Earth's axis is tilted so the northern hemisphere will receive the most light and experience the longest day of the year?
500
An independent, dependent, and controlled variable in the following: Testing the effect of different amounts of fertilizer on corn production.
What are...
Independent - fertilizer
Dependent - corn production
controlled - amount of water, light, location, soil type, etc. ?