What is a piece of evidence that continental drift existed?
What are fossils found on separated continents or
fitting together of continents
At the bottom of many layers of sediment, you would find the sediment that change into ____________________________ rock due to weathering and erosion.
sedimentary
If a bucket of water is left outside or in a window facing sunlight and the water level begins to drop, what can you conclude is happening?
evaporation
In convection currents, _____ air rises as _____ air sinks.
What is Hot rises (less dense) as cool sinks (more dense).
When lava enters the ocean and cools, _____________ rock forms.
igneous
The ___________ or center of Earth is the hottest.
core
What are some of the negative impacts of deforestation, desertification and urbanization on the spheres?
water quality
flow of water
air pollution
increased erosion
Rock type resulting from heat and pressure exerted on any of the three types of rocks
metamorphic
The type of rock where fossilized remains may be found.
Sedimentary
What drives the water cycle?
the sun
_______is the number one cause of desertification.
Overgrazing
In which layer of the atmosphere does weather occur?
Troposphere
Molten rock before it erupts as lava is called?
Magma
The sphere of Earth containing all water is the _____________________.
hydrosphere
The nickname for the area around the Pacific Rim (ocean) where there are more instances of volcanic activity (and earthquakes)
The Ring of Fire
The three rock types
igneous, metamorphic and sedimentary
Land changes temperature ___________ than water due to water's specific heat.
faster
Scientists have developed a theory called ___________ _______________ to explain how forces deep within Earth can cause seafloors to spread and continents to move. via convection currents
plate tectonics
What are the names of the 4 layers from the inner most layer to the outermost layer of Earth?
inner core, outer core, mantle, crust
The processes by which sediment is created and removed from a place are called ________________________.
weathering and erosion
Cutting down trees to make room for more buildings
deforestation
the action of two tectonic plates colliding and the less dense plate, submerges underneath the denser one
Subduction
The hemisphere which, as a result of the Earth's tilt, is angled more toward the sun experiences the season of ______________.
Summer
What is the name of the one variable that is changed in an experiment?
independent