Earth Science 1
How are igneous rocks formed?
From cooling molten lava
When ice gets inside a rock, freezes and breaks the rock, what type of weathering do we have?
ice wedging
The 1st step of the scientific method is:
Name a renewable energy source
Solar, Wind (Eolic) , Water (Hydro), Tidal, Geothermal, Biomass
The amount of salt in the water is called _________________
Salinity
Which layer is less dense than the inner core but more dense than the mantle?
outer core
Underwater volcanic formations are called..
Seamounts
What do we call an underwater mountain range?
Mid ocean ridge
This type of precipitation happens when rain from a clouds passes by a layer of freezing cold air on its way down to the ground.
Sleet
The process by which water vapor becomes a liquid again is called?
condensation
weathering and erosion
When I am sunbathing at the beach, what type of heat transfer is happening?
Radiation
If I have a glass of freshwater and a glass of ocean water which one will have more density?
The glass of ocean water
What is humus?
organic material
WHat creates metamorphic rock?
Heat and pressure
The transfer of thermal energy from direct contact between objects.
Conduction
how do deltas form
water slows as it enters a larger body and deposits sediment.
If the Southern hemisphere is facing towards the sun what season will it be in Georgia?
Winter
What is the name of the cloud that makes thunderstorms?
Cumulonimbus
What model states that the sun is the center of our solar system?
Heliocentric
What type of boundary formed the Mariana Trench?
Subduction at a covergent boundary
What is the largest part of the sun's composition?
Hydrogen
What moves tectonic plates?
Convection currents in the mantle
This type of boundary is responsible for seafloor spreading
Divergent
Describe in detail one observation that supports the continental drift theory
fit of the continents, the distribution of ancient fossils, rocks, and mountain ranges, and the locations of ancient climatic zones.