Ions & Molecules
This molecule is infamous for being the leading culprit of climate change
What is CO2?
This is the distance in meters when you convert from 8 kilometers
What is 8000 m?
This is the formula to calculate the percent change between two values.
What is (New-Old)/Old x 100?
(New - Old) / (Old) * 100
To account for the full environmental footprint of a hamburger, you must consider fencing, water, space, and feed required to raise what?
What is cattle for beef?
In an experiment testing coal plant emissions on soybean growth, this term refers to the factor that scientists actively manipulate.
What is the independent variable?
What is the difference between Nitrite and Nitrate?
What is NO2-1 (Nitrite) and NO3-1 (Nitrate)
If a 12000 m2 parking lot receives 5 mm in rain, this is the total volume of rainfall in liters.
(1 cubic meter = 1000 L)
What is 60,000 L?
If global plastic production increased from 80 million tonnes in 1980 to 250 million tonnes in 2005, this was the approximate percent increase.
What is appoximately 212.5%?
This greenhouse gas is produced both directly by cattle digestion and indirectly through the transportation fuels used across the supply chain
What is methane (or carbon dioxide)?
A scientist measures bean yield in grams and plant height in centimeters to evaluate the effects of an independent variable; these measured outcomes are known as these variables.
What are dependent variables?
This molecule is commonly found in the gases from volcanic eruptions and the main element can smell like rotten eggs.
What is SO2 or Sulfur Dioxide?
Expressed in square miles, this is the equivalent of a 500 Ha forest.
(1 sq mile = 640 acres)
(1 Ha = 2.5 acres)
What is approx. 1.93 sq miles?
If a crop yield of wheat and corn increases by 10% using fertilizer, and 1 acre of corn normally feeds 200 cattle, this is the number of additional cattle that can be fed per acre
What is 20 cattle?
Time to shine! Everyone has 2 minutes to write as many things that go into a cheeseburger from mcdonalds. Most items will receive these points
Answers vary
Testing 6 plants per group instead of just 1 plant improves an experiment primarily by reducing the impact of this type of random variance
What is experimental errors, variability, or confounding variables?
This ion has a -3 charge and is commonly found in synthetic fertilizers.
What is phosphate or PO4-3
Convert 45 mm to meters.
What is 0.045 m?
A 200-gallon hot water tank loses 20% of its volume to steam during heating, leaving this many gallons available for use.
What is 160 gallons?
This agriculture input used to grow grain for cattle or fast food buns can cause nutrient runoff and water pollution
What is fertilizer?
In a plant growth study, this group receives no treatment to serve as a baseline for comparison.
What is the control group?