Light energy and its sources 5.1 pg 268-271
refracting light 5.11 pg290-291
using curved mirrors 5.9 pg 286-287
the human side of water systems 4.6pg218-219
the water table 4.5 pg216-217
100
Objects that emit light.
What is luminous?
100
a curved transparent device that causes light to refract as it passes through
What is a lens?
100
principal focus,principal axis, focal length
What is the 3 most important terms of mirrors?
100
a common organisim associated with beach closures
What is coliforms?
100
the upper level of the saturated zone
What is the water table?
200
a form of energy that can be seen by the human eye
What is light?
200
the speed of light differs in different transparent materails this change in speed causes it to change direction
How light refracts?
200
when the object is beyond the principal focus
What is a concave mirror?
200
while beautiful,acid lakes die due to thr lack of phytoplankton in the upper water
What is a dead lake?
200
wells must reach the saturated zone to be good sources of water for human use
What is the requirment for a well for human use?
300
the process of emitting light because of a high tempature
What is incandescence?
300
This lens is thickerin the middle than at the outside edge
What is a convex lens?
300
used to monitor a very large area
Why is a convex mirror used?
300
water systems can also become polluted when air toxins are discharged into the air
How air pollution pollutes water systems ?
300
gravity causes the water to sink into the ground dissolving salts and minerals as it moves through the spaces between the soil particles
What is percolation?
400
electricity sparks a discharge by the particles of the mercury vapour
How is ultraviolet light is formed?
400
The denser the materail is, the slower light travels as it passes through.
What is the law of refracting?
400
used to produce anlarged image of a nearby object
How a concave cosmetic mirror is used?
400
as population increases we use our water systems for more purposes
When do we use our water systems the most?
400
rain strikes the ground . the attraction of water molecules to soil particles causes the water to spread outward , miostering where it hits
How is fog created?
500
living things can make themselves lunimous using a chemical reaction called bioluminescnce
how living things glow?
500
These different designs cause different effects and images when light passes through them
Why are different lens designs important?
500
the images are always upright and smaller than the objects
What is a close up convex reflection?
500
when a microscopic parasite that lives in water attaches itself to your skin
What is swimmer's itch?
500
when water evaporates more water is drawn up from below the ground due to the attraction between soil particles and water
What is capillary action?
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