Jc Science Notes
Notes tagged with "jc science".
How organs of the circulatory system work or interact with each other and with other systems.
Organs of the circulatory system working together: Heart and Arteries: Arteries are the blood vessels that carry blood away from the heart and carry it towards the organs of the body. He...
The Greenhouse Effect
- The greenhouse effect is the warming of the earth's surface and the air above it caused by gases in the air that trap energy from the sun. The heat-trapping gases are known as greenhouse g...
Observing and identifying plants present in the habitat
We can get a good idea of which plants are present by observing a number of small sample areas within our study area. To do this we use a square frame called quadrat. It is placed randomly i...
Ice Core Data
Ice cores are cylinders of ice drilled out of an ice sheet or glacier One method of dating ice cores is to count the layers in the ice. The ice contains small bubbles of air which are samp...
Green house gases
Carbon dioxide main gas responsible for global warming.sources - Burning fossil fuels - respirationMethane Can trap 21 times more heat than the same amount of carbon dioxide. However, th...
Climate Change
Atmosphere - A layer of gases that surrounds the Earth. It protects Earth from the suns harmful radiation and keeps the planet warm enough for life to exist. Greenhouse gases - Gases, incl...
Conservation of Mass
the total mass will remain the same even if there are physical or chemical changes closed system prevents anything already in the system from leaving and does not allow anything else to get ...
Gases
Gases are identified as materials that - have no definite shape - have no definite volume - can be easily compressed - can flow In a gas the particles move in all directions and the bounce...