Nutrients
Acids/Bases
Pesticides/Fertilizers
pH & Indicators
Potpourri
100
The picture below showing a goitre, results from a deficiency in iodine, which is this type of essential nutrient
What is a mineral
100
An acid falls between these numbers on the pH scale
What is 0 - 6.9
100
This type of pesticide is used to eradicate unwanted plants and weeds
What is a herbicide
100
pH stands for this and refers to the formation of hydronium ions in water
What is power of hydrogen, or parts of hydrogen
100
Harmful compounds washed out of the atmosphere by rain produces this phenomena
What is acid precipitation (acid rain)
200
The difference between organic and inorganic regarding essential nutrients
What is organic has carbon, inorganic has no carbon
200
Common characteristics of these are a bitter taste and a slippery texture
What are bases
200
Plant fertilizer has 3 main nutrients; list the order, name, and chemical symbols of these nutrients
What Nitrogen (N), Phosphorus (P), & Potassium (K)
200
This type of paper, colored red or blue, will identify if a substance is acidic, basic, or neutral
What is litmus paper
200
Liming is used to counteract the negative affects acid precipitation has on lakes. The lime (calcium carbonate) reacts with the harmful acids to produce salts and water. This type of reaction is also known as this
What is a neutralization reaction
300
This type of mineral in required in amounts of greater than 100mg/day
What is a macromineral
300
Pure water would have a pH of 7 and be referred to as this
What is neutral
300
Peter the potato farmer wanted to boost his crop yield, which nutrient would Peter want to make sure his fertilizer was rich in?
What is phosphorus (P)
300
Bromothymol blue indicator was used in a titration. When the titration was complete the indicator has turned from a light blue to a dark blue.
According to the chart below is the resulting solution acidic, basic, or neutral?
What is basic
300
Silent Spring was written by this influential biologist helping to end the widespread usage of DDT
Who is Rachel Carson
400
This type of mineral can be found in meat, eggs, dairy, nuts, and legumes
What is protein
400
The reaction of an acid with a base is referred to as this, forming the products of water and salt
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What is a neutralization reaction
400
Accumulation of DDT in a food chain is an example of this phenomena
What is Bioaccumulation/Biomagnification
400
How many times more acidic lemon juice (pH 2) is than tomatoes (pH 4)
What is 100 times
400
One of 2 devices used to clean harmful emissions before they are released into the atmosphere. Found in cars and factories.
What are catalytic converters or scrubbers
500
This nutrient is responsible for the storing of unused chemical energy in the body - too much may not be a good thing
What are lipids
500
Name two acids and two bases from your everyday life
What is varies
500
The softening of egg shells of birds was result of bioaccumulation of this pesticide, also an effective measure against mosquito infestation (Bonus Points for the full name)
What is DDT (dichlorodiphenyltrichloroethane)
500
If a solution is tested with litmus paper is found to have no colour changes, testing it with pH paper would most show a pH of this value
What is 7 (neutral)
500
Hydofluoric Acid (HF) reacts with Sodium Hydroxide (NaOH) in a neutralization reaction to form this compound used in toothpaste to protect your teeth
What is sodium fluoride (NaF)