SNC2P Week 1

What is the speed of light?

• 300,000km/h

• 300,000km/s

• 30,000km/s

• 30,000km/h

Fire would be an example of _____ types of light

• Incandescence

• Electrical Discharge

• Fluorescence

• Luminescence:

Which of the following is an example of electric discharge?

• Firefly

• Lightening

• Glow sticks

• Light Bulb

Which of the following is NOT an example of Incandescence?

• The Sun

• Hot charcoal from the BBQ

• Firefly

• Camp Fire

"Emitting light while receiving energy from

another source" will be an example of

• Bioluminescence

• Phosphorescence

• Fluorescence

• Chemiluminescence

We can categorize all types of light into 2 large categories, and they are

• Incandescence and Luminescence

• Triboluminescence and Incandescence

• Bioluminescence and Chemiluminescence

• Luminescence and Electric Discharge

Cutting diamond to produce light would be an example of

• Luminescence

• Triboluminescence

• Chemiluminescence

• Bioluminescence

Light is made up of

• Photons

• Plastic

• Particles

• Energy

SAD Stands for

• Symptoms Additional Disorder

• Symptoms Affective Disorder

• Seasonal Additional Disorder

• Seasonal Affective Disorder

Why do people get SAD during winter/fall?

• Winter is too cold and it brings depressions

• People tend to lose friends in Winter and it depresses them

• Change of night time and it messes up people's circardian rhytm

• People tend to eat less during Winter