PRESENTATION OUTLINE
The Earth
This year I learned about tornadoes, hurricanes, and thunderstorms, and the water cycle.
The Water Cycle:
First the water evaporation, condensation, and precipitation.
This year I also learned about the three types or severe weather. Tornadoes, thunderstorms, and hurricanes.
Thunderstorms
A thunderstorm is a storm with lightning and thunder. Its produced by a cumulonimbus cloud, usually producing gusty winds, heavy rain and sometimes hail.
Hurricanes
A hurricane is a huge storm. It can be up to 600 miles across and have strong winds spiraling inward and upward at speeds of 75 to 200 mph. Each hurricane usually lasts for over a week, moving 10-20 miles per hour over the open ocean. Hurricanes gather heat and energy through contact with warm ocean waters.
Tornadoes
A tornado is a violent rotating group of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction with wind speeds of up to 300 mph. They can destroy large buildings,
trees and throw vehicles hundreds of yards.
Cells
Cells are the basic unit of all living things.
Digestive System
First the food in your mouth goes to the esophagus. Then it goes to the stomach, which breaks the food into smaller pieces, then goes to the liver. Then to the gallbladder, then the pancreas, small intestine, then the large intestine. Then feces goes to the rectum, then out the anus.
Cardiovascular System
Blood flows into the heart and is passed to the lungs. Once in the lungs, the blood picks up oxygen. Then the blood carries the oxygen back into the heart, which pumps it out into the body through arteries. Arteries are blood vessels that carry blood away from the heart.
Excretory System
When the kidneys filter the blood the waste turns into urine it goes to the bladder where it is stored and is let out from the urethra.
Mixtures
Mixtures are combinations of two or more materials that retain their physical qualities. The parts of a mixture do not physically change when they become part of the mixture. The parts in mixtures can be separated out physically.
Matter
Many useful properties of matter, such as density, volume, temperature, mass, or weight, can be measured. Some of these properties, such as volume, mass, and weight, depend on how much matter is present.
Solutions
A solution is a homogenous mixture of two or more substances. Tea and salt water are examples of liquid solutions. Air is a gaseous solution. Brass and steel are solid solutions.