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

IV.1.e.3


LSD Units
 
2c
3b
3c
4b
5b

Identify forms of energy associated with common phenomena.
Key concepts: Heat, light, sound, food energy, energy of motion, electricity (see PCM-IV.2 e.1 about heat, PWV-IV.4 e.1-4 about light and sound, PME-IV.1 e.4 about electricity, LEC-III.5 e.2 about energy from food).
Real-world contexts: Appropriate selection of energy and phenomena, such as appliances like a toaster or iron that use electricity, sun's heat to melt chocolate, water wheels, wind-up toys, warmth of sun on skin, windmills, music from guitar, simple electrical circuits with batteries, bulbs and bells.

IV.3.e.1


LSD Units
 
1a
2c
3c

Describe or compare motions of common objects in terms of speed and direction.
Key concepts: Words - east, west, north, south, right, left, up, down. Speed words - fast, slow, faster, slower.
Real-world contexts: Motions of familiar objects in two dimensions, including rolling or thrown balls, wheeled vehicles, sliding objects.

IV.3.e.2


LSD Units
 
3c

Explain how forces (pushes or pulls) are needed to speed up, slow down, stop, or change the direction of a moving object.
Key concepts: Changes in motion - speeding up, slowing down, turning. Common forces - push, pull, friction, gravity. Size of change is related to strength of push or pull.
Real-world contexts: Playing ball, moving chairs, sliding objects.

IV.3.e.3


LSD Units
 
Kb Subsidiary
3c

Describe patterns of interaction of magnetic materials with other magnetic and non-magnetic materials.
Key concepts: Magnetic poles, magnetic attraction and repulsion.
Tools: Magnets, variety of magnetic and non-magnetic materials (K-2), magnetic compass (3-5).
Real-world contexts: Common magnets, using a magnetic compass to find direction.

IV.3.e.4


LSD Units
 
3c

Identify and use simple machines and describe how they change effort.
Key concepts: Inclined planes, levers, pulleys, wedges, wheel and axle; force, distance.
Real-world contexts: Block and tackles, ramps, screwdrivers and screws, can openers, see-saws.

IV.3.e.5


LSD Units
 
3c

Manipulate simple mechanical devices and explain how their parts work together.
Key concepts: Names and uses for parts of machines, such as levers, wheel and axles, pulleys, inclined planes, gears, screws, wedges.
Real-world contexts: Simple mechanical devices, such as bicycles, bicycle pumps, pulleys, faucets, clothespins, can openers.