Show:
vocabulary
this and that
more vocabulary
more this and that
even more this and that and map skills
100
the wearing away of earth's surface
What is erosion?
100
oil in the water, fumes in the air, and garbage on the ground
What are examples of pollution?
100
a happening such as an earthquake or flood that causes great harm or damage
What is a disaster?
100
these help geographers make maps of the Earth's surface
What is a satellite?
100
example of how people can replenish the land
What is planting new trees, recycling, and using resources wisely?
200
the location or a place in relation to another
What is relative location?
200
they provide oxygen, homes, and shade to the plants and animals living in it
What is why are trees important to a forest ecosystem?
200
anything that makes a natural resource such as air, soil, or water dirty and unsafe to use
What is pollution?
200
climate, natural resources, and natural hazards can change this
What is the environment?
200
this tool can be used to compare a number of things
What is a bar graph?
300
an area with at least one feature that makes it different from other areas
What is a region?
300
a slow physical process that affects Earth's surface
What is erosion?
300
an event in nature (such as an earthquake, tornado, vocanic eruption, or flood) that can cause great harm
What is a natural hazard?
300
doing this to one part of an ecosystem can affect one or all parts of that ecosystem
What is disturbing or destroying a part of an ecosystem?
300
a set of lines the same distance apart that cross one another to form boxes
What is a grid system?
400
a system in which plants and animals and the environment depend on one another
What is an ecosystem?
400
True or False: Pollution makes natural resources unsafe to use
What is true?
400
a person who studies Earth and its people
What is a geographer?
400
True or false: continents drifting apart and erosion are examples of slow changes to the Earth
What is true?
400
people who live where tornadoes can happen can prepare these places to go
What are shelters?
500
a spacecraft without a crew that orbits earth
What is a satellite?
500
geographers divide the United States into these to study the land and people
What is a region?
500
the act of saving resouces and making them last longer
What is conservation?
500
earthquakes, tornados, and storms are examples of this type of change to the Earth
What is a sudden and quick change to the Earth?
500
people who live near rivers can build these to control the rivers' flow
What are dams?