________ is associated with limestone deposits but is not common in other soils, rocks, or minerals.
New cards
2
NaCl
________ is applied to roads and parking lots and can run off into streams.
New cards
3
Secchi Disk
A(n) ________ may be used to measure turbidity, but a more accurate measure can be made with a turbidity unit.
New cards
4
calcium compound
A(n) ________ can be used to try to wash the contaminant from the air column.
New cards
5
Potash
________- common name for a compound that contains one of the potassium oxides.
New cards
6
sample tube
When the ________ is inserted into the spectrophotometer, the instrument passes light through the ________ and measures the amount of light that passed through or was absorbed.
New cards
7
Iron
________ necessary for plant growth is unavailable when the soil becomes alkaline.
New cards
8
Organic material
________ is also high in nutrients.
New cards
9
colonies of growth
Drinking water should show no ________ from the water sample.
New cards
10
Permeability
________- the movement of gas or liquid through the soil.
New cards
11
Fecal coliform
________- Any bacteria that ferments lactose and produces gas when grown in lactose broth.
New cards
12
humus
Percent ________- A measure of soluble organic constituents of soil; the higher the number, the better.
New cards
13
badge
The ________ or KI sample changes color in the presence of ozone and becomes more intensely colored as the amount of ozone increases.
New cards
14
important plant nutrient
Nitrates- As a(n) ________, nitrogen is typically found in fertilizer and is a component of runoff from agricultural lands.
New cards
15
marble
Buffering capacity- Resilience of different types of bedrock, such as ________, granite, and basalt, when exposed to acid.
New cards
16
Chlorine EPA standards
________ dictate that Cl can not exceed 250 mg /L.
New cards
17
Phosphate
________- An important plant nutrient, typically found in fertilizer and runoff from agricultural lands.
New cards
18
Carbon Dioxide
________: In this lab, a commercial sampling device is used to determine the amount of carbon dioxide in an air sample.
New cards
19
Turbidity
________ can be observed with a spectrophotometer.
New cards
20
Variables
________: In population growth experiments, often other variables are added to samples of bacteria to compare the growth of a normal population to one that has been altered in some way.
New cards
21
Scrubber Model
________: A model of a scrubber can be constructed to attempt to remove sulfur contaminates from burning coal.
New cards
22
Biodiversity of Invertebrates
________: Insects can be counted in an area and then plotted to assess biodiversity.
New cards
23
Lichen
________: A lichen survey can be used to judge air quality.
New cards
24
primary consumers
They identify the organisms that are producers, ________, and secondary consumers and determine how many levels make up the food chain, what organisms act as decomposers, and the presence of symbiotic relationships.
New cards
25
Hardness A measure of salts
________ composed of calcium, magnesium, or iron.
New cards
26
Lichens
________ are sensitive to air pollution, particularly sulfur dioxide.
New cards
27
Organic soil
________ has qualities of both sand and clay.
New cards
28
Hard water
________ is more than 121 ppm, and soft water is less than 20 ppm.
New cards
29
Marble
________ has high calcium content and is a better buffer than other rocks.
New cards
30
Turbidity
________ and Bacteria: When studying bacteria, ________ is commonly observed and recorded.
New cards
31
Air Quality
Air quality can be assessed using various methods
New cards
32
Particulates
Sticky paper can be used to collect air particulates from various sources, and then the paper can be examined under a microscope
New cards
33
Ozone
In this lab, an eco badge or a homemade potassium iodide gel sampler is hung or worn in order to collect data on tropospheric ozone
New cards
34
Lichen
A lichen survey can be used to judge air quality
New cards
35
Food Chain
In this lab, students observe a natural ecosystem and examine the food chain
New cards
36
Mining
Students can construct a model of a mine, representing the rock layers and the mineral deposits
New cards
37
Variables
In population growth experiments, often other variables are added to samples of bacteria to compare the growth of a normal population to one that has been altered in some way
New cards
38
Population Size
In this type of lab, the size of a population of species such as the gypsy moth, caterpillar, or other insect is studied
Studied by 5 people
