Natural Hazards
a violent rotating column of air
What is a tornado?
a place that is much higher than the land surrounding it
What are the mountains?
using resources in a wise, responsible manner; protecting natural resources
What is conservation?
the usual pattern of weather of a place over a long period of time
What is climate?
What is a lake?
a period of time where little or no rain falls
What is a drought?
dry, sandy area that has very little rainfall, extreme temperatures, and very few plants
What is a desert?
putting harmful materials into an environment
What is pollution?
the part of an area that includes purely physical factors such as soil, climate, water supply
What is a physical environment?
a large stream of flowing water
What is a river?
land consisting of marshes or swamps
What are the wetlands?
the process of replanting trees
What is reforestation?
something found in nature that people can use to meet their needs
What is a natural resource?
a large body of saltwater
What is an ocean?
It rains so much that the Earth can no longer absorb the water
What is a flood?
the visible features of an area of countryside or land
What is a landscape?
the process of clearing an area of trees; the opposite of reforestation
What is deforestation?
True or False? Our natural resources come from the moon?
False! They come from Earth!
land surrounded by water
What is an island?
a big storm that forms over the ocean. It can produce tornadoes and cause floods.
What is a hurricane?
a broad, flat, gently rolling area, usually low in elevation
What are the plains?
True of False? One way to protect our Earth and its resources is to reduce, reuse, and recycle.
True!
True or False? These are examples of natural resources: water, plants, animals, rocks.
True! They are all natural resources.
a mountain with a hole at the top that sometimes erupts rock, lava, and ashes