Natural Events
This is the definition of a natural event: "Something that happens in _________."
What is nature?
This is the specific action gophers and ants do underground to change the land.
what is burrowing?
This human activity involves clearing land to grow crops.
What is farming?
You shouldn't skate on a lake in spring because ice thickness can do this.
What is break?
These keep a record of how the Earth and its surroundings changed over time.
What are layers?
This natural event occurs when the ground shakes.
What is an earthquake?
This type of animal change happens when there are too many of one kind of animal in an area.
What is overpopulation?
This human activity involves digging into the Earth for resources.
What is mining?
Model stewards, such as these groups, treat the land with deep respect.
What are Indigenous groups?
This is the top layer of soil where most plants grow
What is the hummus layer?
This event is a large fire that spreads quickly through grass or forests.
What is a wildfire?
This is the name for non-native plants or animals that cause problems in a new area.
What are invasive species?
This human activity involves building roads, houses, and cities.
What is urbanization?
True or False: Indigenous groups ensure the environment is healthy for future generations
What is true!
The layer of soil that contains minerals and small rocks with only a little organic matter
What is subsoil?
This natural event happens when there is too much rain
What is a flood?
This change happens when tiny organisms live on or inside an animal and make it sick
What is a parasite infestation?
This human activity involves cutting down large areas of trees.
What is deforestation?
Stewards work to keep the land healthy, happy, and safe for these three groups
Stewards work to keep the land healthy, happy, and safe for these three groups
This is the slow process of breaking down rocks and minerals.
What is weathering?
This event happens when rocks and debris fall quickly down a slope
What is a rock slide (or landslide)?
Human activities can cause this "slow change" (movement of rock pieces) to happen faster.
What is erosion?
Stewards are like these two types of people who take care of the Earth.
What are caretakers and protectors?
This is the movement of broken rock pieces by wind, water, or ice.
What is erosion?