Rocks and Minerals
Rocks that form when layers of materials and rock particles settle on top of each other and harden.
What kind of soil has the tinies particles and feels fine and smooth?
Clay
What kind of erosion causes landslides?
Water, gravity
This force of nature covers the earth with lava
Volcano
An unwanted substance/material added to water, air, or soil.
Pollutant
How do you measure the hardness of a mineral?
What kind of soil easily lets water through?
sand
This can be prevented by planting more trees around a field
Erosion
What kind of event do people feel when two tectonic plates move into a new position?
An earthquake
A kind of pollution that has to do with noisy machinery
Noise Pollution
Rocks that form when melted rock cools and hardens
Igneous rock
What is one way to prevent soil erosion?
plant more trees
What causes dunes to form?
wind
Name a force of nature that can easily change land
Volcano eruption, tsunami, earthquake, etc.
Pollution caused by factories
Air pollution (smoke), chemical waste, etc.
Rocks that are formed by intense heat and pressure
Metamorphic rock
Which layer of soil contains the greatest amount of decayed materials in it?
Topsoil
A huge chunk of mass moving very slowly, eroding land along its path.
Glacier
What do you think can cause a tsunami?
Underwater earthquake, movement of tectonic plates.
This is where unrecycled garbage end up going to
Name at least four properties that can help you identify a mineral.
Hardness, luster, shape, streak, color, magnetism
What do you call a pile of decomposing organic matter?
Humus
How can you prevent a slope from eroding?
Example: Plant trees because its roots can hold the soil together.
What is a major cause for earthquakes?
Movement of tectonic plates
Name an example of a natural pollutant
Volcanic ash, etc.