Define the following and give an example for each of the following terms:
a) Incandescence
b) Phosphorescence
a) production of light due to high temperatures (ex: lava)
b) object absorbs and emits light slowly (ex: glow-in-the-dark)
10
Calculate the speed of light in glass.
1.97 x 10^8 m/s
5
Draw the ray diagram for the following question and describe the image using SALT.
See teacher
25
Draw the ray diagram for the following question and describe the image using SALT.
See teacher
25
Using the figure as a template, draw a diagram to show the critical angle and total internal reflection.
See teacher.
20
Draw the ray diagram for the following question and describe the image using SALT.
See teacher
25
Calculate the following and describe the image formed using SALT. Leave your final answers in mm.
A 1m tall shrub is located 10m from a camera lens (converging lens). The lens as a focal length of 25mm.
S - smaller; A - inverted; L - 25mm from lens; T - real
25
Draw the following diagram and describe the image using SALT.
See teacher.
25
What vision problem does the following eyeball have and what type of lens could correct it?
Myopia, corrected with a diverging lens (negative meniscus).
10
List and explain the three factors that are involved in the Milankovitch Cycles.
Eccentricity – Shape of the orbit; Obliquity - tilt of the Earth; Precession - wobble
15
Provide an example of a positive feedback loop and a negative feedback loop.
See teacher
10
Provide three pieces of evidence supporting climate change.
1) Changes in ecosystems 2) Severe weather patterns 3) Rising sea levels
15
Explain the El Nino effect. What does Canada feel?
The weakening of trade winds every 2-7 years causing the warming of surface water on the west coast of S. America. Canada experiences milder winters.
10
Draw the formation of the prevailing winds on Earth.
See teacher.
25
What type climate information do ice cores provide?
Amount of precipitation, presence of volcano eruption, types of isotopes in the atmosphere, types of plant/animal species