Vocabulary
Soil
A mix of humus, sand, silt, clay, gravel, and/or pebbles.
Breaking apart of rocks is called...
Weathering
What is a natural resource?
Natural resources are materials in the environment that living things can use to survive.
3 types of landforms are...
Plains, plateaus, and mountains
Erosion is caused by _____, _____, and _____.
Erosion is caused by water, wind, and ice (glaciers).
Erosion
The carrying away of weathered earth materials by water, wind, or ice.
Tree rings, fish fossils, and ice core/glaciers are all evidence that indicate _____________.
Tree rings, fish fossils, and ice core/glaciers are all evidence that indicate that life and environmental conditions have changed.
What are large piles of windblown sand called?
Dunes
Two events that can change the land quickly are ______.
Floods, Volcano Eruptions, Earthquakes
Deposition
The settling of sediments.
Crops that are good for preventing erosion are...
Grass and Clover
*DAILY DOUBLE*
Name at least 3 ways that limited resources can effect an environment.
2. Cause prices for resources to increase.
3. Cause damage to public health.
4. Cause air and water pollution.
5. Cause wildlife and habitat loss.
6. Cause global warming to get worse.
7. Cause damage to ecosystems.
What two landforms have flat tops?
Plains and Plateaus
A light rainfall changes the Earth's surface in a 1.______ way, while a heavy flood changes the Earth's surface in a 2.______ way.
1. Slow
2. Fast/Quick
Physical Weathering
The process by which rocks are broken down by breaking and banging.
Volcano Eruptions and Forest Fires
Name 4 ways we can conserve our resources.
Reduce, Reuse, Recycle, Substitute
Shapes of the land, like mountains, plains, and plateaus are called _____.
Landforms
Water erodes most quickly when it ________.
Runs downhill
Chemical Weathering
The process by which the minerals in a rock can change due to chemicals in water and air.
Rocks are worn down and broken into smaller pieces in a process called 1._________. Those rocks can be moved during a process that is called 2.__________. Once they are moved to a new location, during 3._________, those rocks are in their new resting place.
1. Weathering
2. Erosion
3. Deposition
Explain the difference between a renewable resource and a nonrenewable resource.
A renewable resource can be replenished quickly and naturally, while a nonrenewable resource takes a long time to be replenished naturally.
A low area between hills and mountains, often where a river flows, is called a ______.
Valley
All of the following are models EXCEPT:
A. a matchbox car
B. A plastic doll
C. A toy airplane
D. a stuffed unicorn
D. a stuffed unicorn