If a continent is covered in ice, but once had a warm climate, what would MOST likely be discovered there?
warm climate fossils
100
At the bottom of many layers of sediment, you would find the sediment that change into ____________________________ rock due to weathering and erosion.
sedimentary
100
If a bucket of water is left outside or in a window facing sunlight and the water begins to disappear, what can you conclude is happening?
evaporation
100
Would a beach with or without grass erode faster? Why?
with grass - because the grass roots hold down the sand
100
When lava enters the ocean and cools, _____________ rock forms.
igneous
200
The ___________ or center of Earth is the hottest.
core
200
Give one example of indoor air pollution.
smoking
200
How would using decomposing plants benefit farmers?
decomposing plants contain materials that would help plants grow by fertilizing them
200
List the three stages of the water cycle.
condensation - evaporation - precipitation
200
A _______________________ is a tool that measures rainfall.
rain gauge
300
_______________________ occur when a fault line along Earth's crust slips.
Earthquakes
300
How would you explain fossils of sea animals on land?
that land was once covered with water
300
When a ___________ erupts, hot melted rock comes to the surface of Earth.
volcano
300
The layer of Earth containing all water is the _____________________.
hydrosphere
300
Soil is found in which of Earth's three layers?
the crust
400
Burning fossil fuels causes a great amount of _______________________.
pollution
400
A physical feature on Earth's surface is called a __________________________. (example - mountains)
landform
400
The theory of continental drift states that all continents were once connected on a single landmass called ____________________ and slowly drifted apart.
Pangea
400
Scientists have developed a theory called ___________ _______________ to explain how forces deep within Earth can cause seafloors to spread and continents to move.
plate tectonics
400
The ______________ scale measures the magnitude of earthquakes.
Richter
500
The process by which eroded materials are dropped off in another place is called ________________________.
deposition
500
A source of energy other than the burning of fossil fuels is called an _____________________ energy source.
alternative
500
____________________ measures the relative humidity in the air.
hygrometer
500
A ____________________ is a tool that measures air pressure.
barometer
500
A ____________ wind is a wind that blows steadily over the globe over long distances in a particular direction.