Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
Science |
A systematic approach based on evidence that is used to gain knowledge about the world. |
|
|
Technology |
Application of science |
|
|
Scientific method |
-observation -generalization -hypothesis -experiment -check hypothesis and revise -share results |
|
|
Basic research |
Essential for understanding natural phenomena. Not mission driven. Asks Open ended questions. How or why something happens. |
|
|
Applied research |
Comes after basic research. To find applications for new knowledge. How to improve things. |
|
|
Pasteur |
Germs not bad air or the devil made you sick. |
|
|
Wegner |
1960s continents move over millions of years. |
|
|
Occam's razor |
When choosing between two hypotheses to explain data always pick the simpler one. |
|
|
Trophosphere |
Lowest layer, airplanes fly here at the upper edge. |
|
|
Stratosphere |
Weather balloons fly up here |
|
|
Mesosphere |
The middle layer |
|
|
Thermosphere |
Auroras form here, satellites here. Low earth orbit. |
|
|
Exosphere |
Everything beyond 275 miles to infinity. |
|
|
1942 |
First human made object in space. V2 rocket. German. |
|
|
V2 rockets |
Hit less than 1/5 of their targets. Still killed over 2700 people. |
|
|
1947 |
Fruit flies in space. Modified V2 launched by us. |
|
|
Werner Von braun |
Former nazi. Developed nuclear missiles. Developed saturn rocket that landed on the moon. |
|
|
Sputnik |
First satellite launched into low earth orbit. 1957 |
|
|
USA on the Moon!!! |
1969 |
|
|
1961 |
First human space flight Yuri Gagarin |
|
|
1962 |
John Glenn of USA went to space |
|
|
1966 |
NASA funding peaked |
|
|
1972 |
Final moon landing |
|
|
1981-2011 |
The shuttle era |
|
|
The shuttle era |
Shuttle was supposed to be reusable and economic. 2 major accidents Challenger and Columbia. |
