Sunday, July 15, 2012

Layers of the Atmosphere

Answers:

1. It is because each layer has different characteristics, and it has also different altitude and density that make it separated.

2. The temperature increases in the Stratosphere because of the high concentration of ozone in the Stratosphere. Ozone absorbs ultraviolet radiation from the sun and converts the energy into heat, causing air temperature increase.

3. Airplanes cannot fly in the Mesosphere because air pressure and density in the Mesosphere are extremely low.

4. The temperature in the Thermosphere depends on how the oxygen absorbs ultraviolet radiation from the sun.

Monday, July 9, 2012

The Lorax (answers)

Answers: 


1. The Once-ler cut all the trees in their ecosystem.
2. The animals and other living things left the place.
3. The business affect the livings things because it loss their habitat.
4. We must care, respect and protect our environment because these make us live and it is God's creation.

Monday, July 2, 2012

Energy Flow

ANSWERS:
  1. Plants get their energy from the sun.
  2. Photosynthesis
  3. It goes into building and operating the plant itself
  4. 10% of energy the plant captures
  5. The energy makes the cow warm, to produce and power its muscle cells and to take care of other needs.
  6. 10%
  7. For heating and operating the body
  8. It helps us because only 10% of the energy in an animal's food winds up in the meat you eat.
  9. It can help us grow, think or do anything else.