LSD Unit:   3a       Michigan Curriculum Framework (2000)       "Using" Science Benchmarks

III.5.e.4


LSD Units
 
Kb Subsidiary
3a
3d
4d

Describe positive and negative effects of humans on the environment.
Key concepts: Human effects on the environment - garbage, habitat destruction, land management, renewable and non-renewable resources.
Real-world contexts: Household wastes, school wastes, waste water treatment, habitat destruction due to community growth, reforestation projects, establishing parks or other green spaces, recycling.

V.1.e.2


LSD Units
 
3a

Recognize and describe different types of earth materials.
Key concepts: Materials - mineral, rock, boulder, gravel, sand, clay, soil.
Tools: Hand lens.
Real-world contexts: Samples of natural earth materials, such as rocks, sand, soil, ores.

V.1.e.5


LSD Units
 
3a

Describe uses of materials taken from the earth.
Key concepts: Transportation, building materials, energy, water (see EH-V.2 e.3.)
Real-world contexts: Examples of uses of earth materials, such as gravel into concrete for walls, gypsum into drywall, sand into glass for windows, road salt, ores into metal for chairs, oil into gasoline for cars, coal burned to produce electricity, water for hydroelectric power. Samples of manufactured materials, such as concrete, drywall, asphalt, iron and steel.

V.1.e.6


LSD Units
 
Kb Subsidiary
2b
3a

Demonstrate ways to conserve natural resources and reduce pollution through reduction, reuse, and recycling of manufactured materials.
Key concepts: Materials that can be recycled - paper, metal, glass, plastic. Conservation and anti-pollution activities - reduce, reuse, recycle.
Real-world contexts: Collections of recyclable materials, plans for recycling at home and school, composting, ways of reusing or reducing the use of paper.

V.2.e.3


LSD Units
 
2b
3a

Identify sources of water and its uses.
Key concepts: Water sources - wells, springs, Great Lakes, rivers. Household uses - drinking, cleaning, food preparation. Public uses - generate electricity, recreation, irrigation, transportation, industry.
Real-world contexts: Examples of local sources of drinking water, including wells, rivers, lakes. Examples of local occasions when water is used, including car wash, swimming, fire hydrants, drinking, food preparation, cleaning, watering lawn, bathing, fishing, boating, shipping on the Great Lakes.