ERTH 335 Test 1 With Complete Solution

ERTH 335 Test 1 With
Complete Solution

Celsius to Fahrenheit - ANSWER F= 1.8 (C) +32

emitted light - ANSWER - comes from object

- Doesn't involve reflection

- All objects are hot enough to emit light, but most aren't hot enough to emit
visible light

reflected light - ANSWER - comes form outside source

- can only reflect colors that are shined on them

- Aways same type of radiation that was incident

Ultraviolet - ANSWER "Beyond violet" end of electromagnetic spectrum

Infrared - ANSWER "Beyond red" beginning of electromagnetic spectrum

- what greenhouse effect involves

Energy - ANSWER the ability to do work

kinetic energy - ANSWER energy of motion

potetial energy - ANSWER stored energy that can be released (gravitational)

chemical energy - ANSWER Energy stored in chemical bonds

heat emission - ANSWER heat energy given off by an object as it cools

, What the sun emits - ANSWER - Visible light

- visible radiation

- Shortwave radiation

- solar radiation




What the Earth emits - ANSWER - Infrared radiation

- Long wave radiation




Units of energy - ANSWER joule and calorie

1 calorie = 4,184 joules




Power - ANSWER - rate at which energy is used

- measured in watts

- 1 w = 1 J/S




Flux - ANSWER Power per unit area

- Rate of energy transferred per area

- Measured in watts per meter squared




Incident - ANSWER light that falls on object