Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
OGT Earth Science
OGT Earth Science Power Vocab
| Question | Answer |
|---|---|
| atmosphere | thick blanket of gases surrounding the earth |
| big bang | theory that all matter and energy in the universe was compressed into an extremeley small volume that suddenly billons of years ago started expanding |
| biomes | regions that have distinct climates and organisims and that contain many but separate but similar ecosystems |
| convection | transfer of heat through the movement of a fluid material |
| crustal plate | outer most part of earth |
| current | steady movement in one direction |
| density | ratio of the mass of a substance to its volume, expressed as g/cm to the third power |
| galaxy | large-scale group of stars |
| gravity | force of attraction between all matter in the universe |
| lithosphere | thin outer shell of the Earth consisting of the crust and the rigid upper mantle |
| nebula | dark cloud of gas and dust in space; first stage in the development of a star |
| tundra | biome without trees, where grasses and tough shrubs grow in the frozen soil |
| coniferous | A tree that bears cones. Evergreens that do not shed their leaves all at once in the fall comprise the majority of this type of tree. |
| electrical energy | The ability of the electric current to do work. Measured in kilowatt-hours. |
| fertilizer | Any substance that is added to soil in order to increase its productivity. Fertilizers can be of biological origin (composts), or they can be synthetic (artificial fertilizer). |
| mechanical energy | Energy of the moving parts of a machine because of its motion or position. |
| Plate Tectonic Theory | The belief that Earth's surface is broken into a number of shifting slabs or plates which move relative to one another |
| temperate | areas with distinct summer and winter seasons and moderate precipitation with temperatures will fall below 32 o F in winter and above 72 o F in summer |
| thermal energy | The kinetic energy of molecular motion. Measured as temperature and perceived as heat. |
| climate | the average course or condition of the weather at a place usually over a period of years as exhibited by temperature, wind velocity, and precipitation |
| ozone | A molecule made up of three atoms of oxygen. In the stratosphere, it occurs naturally and it provides a protective layer shielding the earth from ultraviolet radiation and subsequent harmful health effects on humans and the environment |
Created by:
adotson
Popular Earth Science sets