Sea Level Rise
Lightning Strikes
Unit Conversions
Math Problems
100
What is most responsible for sea level rise: land ice or sea ice melting?
Land ice
100
In which types of locations do lightning strikes generally occur the most frequently?
Locations near the equator (hot, humid, tropical areas)
100
100 cm is equal to how many meters (m)?
1 m
100
The equation to find the area of a rectangle is A = l x w. If area (A) = 20 m2 and width (w) = 5 m, what is the value for length (l)?
4 m
200
Which two areas contain the largest amount of land ice on the planet?
Antarctica and Greenland
200
A lightning strike will often strike from a _________-charged region to a _________-charged region.
Negatively and positively
200
When converting from micrometers (um) to meters (m), what do you multiply (or divide) by to get your final answer?
multiply by 10-6
divide by 1,000,000
200
If the volume of a triangular prism is V = (b x h x l)/2, what is the volume of said prism in mm3 if base (b) = 2.4 mm, height (h) = 3.6 cm, and length (l) = 4.3 um?
base = 2.4 mm
height = 36 mm
length = .0043 mm
Volume = .372 mm3
300
As ice on land melts, the sea levels rise and more of the ground beneath the ice on land is exposed. This results in the temperature of the planet increasing. Which term accurately describes the phenomenon being discussed in this example?
Albedo effect
300
What is the term used to describe the type of electricity generated during lightning storms?
Static
300
If you were to convert centimeters to meters, you may decide to multiply by 10-2. If you were to do the opposite and convert from meters to centimeters, what would you need to do differently?
Divide by 10-2 or multiply by 100
300
If a charged region displays a value of 14.3 x 10-7 mC and another region displays a value of .126 x 103 uC, what is the force if the distance between these two regions is 3.33 cm?
1.46 N
400
As the atmosphere becomes thicker, more solar radiation is trapped within the planet's atmosphere and the temperature of the planet increases. Which term describes this phenomenon?
Greenhouse effect
400
How are charged regions produced inside a lightning storm? In other words, what inside the storm clouds is actually interacting to produce negatively and positively-charged areas?
Water and ice molecules (graupel) colliding
400
What is 6.59 x 104 mm converted into meters (m)?
65.9 m
400
Two charged regions display values of -7.74 x 10-2 uC and 9.43 x 10-3 mC respectively. If the force between these regions is 32 N, what is the distance between these 2 regions? Is this possible?
r = undefined
It is not possible to have a negative distance value
500
Name 3 common greenhouse gases and a common source of those gases found on the planet.
Water vapor - evaporating water
Carbon dioxide - fossil fuels, melting permafrost, fires
Nitrous oxide - bacteria
Methane - livestock
Ozone - formed from radiation interacting with oxygen gas in the atmosphere
500
In order to transfer electrons between surfaces, a specific type of interaction between two surfaces needs to occur. What is the term used to describe this interaction that results in the transfer of electrons (hint: the answer is not static)?
Friction
500
What is 3.62 x 10-6 cm converted into micrometers (um)?
3.62 x 10-2 um
500
The force exerted between two charged areas is 596 mN at a distance of 23 m. If the charge value of the two areas is identical, what is their value?
1.87 x 10-4 C for both q1 and q2