TECHNOLOGY IS USED TO EXPLORE THE EARTH SYSTEM
name an example of an open system.
open pot of water
how would contour lines look in an area with a very steep slope?
closer together
what is true of a diamond found in austrailia and one found in india?
both have the same chemical makeup
what is true about limestone?
it can be composed entirely of calcite
what is involved in both mechanical and chemical weathering?
water
which open system is a birds nest a part off?
biosphere
what is the main purpose of index contour lines on a topographic map?
to mark elevation
why ice is known as a mineral?
because of its atom arrangement
what makes obsidian similar to coal?
neither is composed of minerals
what is the main cause of chemical weathering?
water
the following sentence is an example of what?
cold and warm ocean currents interact with wind patterns to affect earths weather.
interaction between the hydrosphere and armosphere
what else to topographic maps contain apart from contour lines?
symbols for natural and human-made features.
what is similar in diamond and graphite?
both of them are made of carbon
how many percent of earth's crust consists of igneous and metamorphic rock?
95%
what causes rain water to become acidic?
carbon dioxide.
why are large forests said to be earths lungs?
it absorbs carbon dioxide and release oxygen into the atmosphere
what is the relationship between elevation and relief?
relief is difference between the highest and lowest elevation
list the three things true of minerals
1. forms in nature
2. has a definite chemical makeup
3. has a crystal structure
how much of time does it typically take for rocks to change?
thousands to millions of years.
state the types of mechanical weathering.
A. ice wedging.
B. abrasion.
C. pressure release
list 3 methods scientists use to study the atmosphere.
1. viewing satellite images
2. flying specially equipped planes
3. launching weather balloons
name 3 things found on a topographic map.
mountains
plains
dams
name an element found in silicates, carbonates and oxides?
oxygen
what can be found between earth's thin surface layer and earth's metallic core?
solid and molten rock
what type of climate can speed up the rate of chemical weathering?
hot, wet climate.