Science Flashcards
What are 3 of the atmospheric layers?
troposphere, stratosphere, mesosphere, thermosphere and exosphere
Where are convection currents formed?
Mantle (Asthenosphere)
What is the thinnest layer of the earth?
The crust
What is a layer of fine, rich minerals?
The Loess
What is the mohs hardness scale used for?
Minerals
What type of rock is conglomerate?
Sedimentary
What are igneous rocks made of?
Lava or magma
What is made from small rocks? (Sediments)
Sedimentary Rocks
What rocks are made by heat and pressure?
Metamorphic
What are convection currents in liquids?
Movement between hot & cold molecules
What is the temperature at which dew forms called?
The Dew Point
What are isotherms?
Lines on a weather map that indicate points having same average temperature
What is a large area of unforested grassland?
A Steppe
What is a vast, flat, treeless arctic region where the subsoil is frozen?
A Tundra
What is a tiaga?
A forest of cold, in the subarctic reigon
