Creatures in the water
1. Water Pennies (Insects)
length to 1.2cm
Activity: the flat, copper-colored larvae of a water penny cling to the
underside of rocks in the riffles. When a rock is pulled from the water,
the water penny will remain motionless and c
Feedback loop Exercise
Circle the correct choice
1. Rabbit Population
An increase in the rabbit population (increases , decreases) the birth rate.
An increase in the birth rate (compounds , counterbalances) the initial increase in
the rabbit population.
Human Population Growth
4 to 5 children born every second
2 people die every second
Net growth 2.5 children per second (150 per minute, 9000 per hour)
Overpopulation (Resource depletion , environmental degradation)
Secret of Soil
Quartz, mica and feldspar make up primary minerals.
They are pure because they have not changed chemically since they first
They located in the bottom layer.
Smaller amount of other nutrients are
Sustainable Learning Lab Design Project
The cabin at Robbins Park has been condemned and the park is in need of an indoor/outdoor
learning lab. The township is looking for your help to design a state of the art, sustainable or
green building that
Water Quality Day 2
Physical analysis cont.
A measure of the cloudiness of water
Low turbidity = clear
High turbidity = murky, cloudy
Turbid water can be higher temperature
Decreases photosynthesis ; DO
Clogs fish gills
Smother fish eggs
Water Quality Day-3
Nitrates () a compound containing nitrogen
Nitrogen is an important element needed to build nucleic acids and proteins
Why do we look for nitrates in water?
Nitrates interfere with a bodys ability to carry oxygen (blue baby syndrome)
Water Quality Interpretation Day-1
Looking at water quality
Helps establish the health of the body of water.
Allows us to see how humans are impacting the water
Establishes a baseline of data when studies are done over a period of time
What types of st
Yucca Mountain nuclear waste repository
Instead of in 109 facilities in 39 states
Ability to store high level radioactive waste long term
Nearest year- round housing 15mls
Nearest city 100mls