no matter how "old" this activity may be it always generates creative and critical
thinking in students.
major concepts
- motion is produced by unbalanced forces
- unblanced forces must be created to make the egg move into / out of the bottle
- statements from the kinetic theory of matter help explain
the origin of these unbalanced forces
kinetic theory of matter
- matter is made of particles
- these particles are always in motion
- the rate of particle motion is called temperature
theory:
- a statement used to explain observed facts
- theories never "grow up" to become laws of science
- theories can be modified, discarded, improved
- the laws of science are derived from the theories
- [ Boyle's Law & Charles Law are statements spawned from the kinetic theory of matter ]
Assignment:
using our classroom
Exploration experiences . . .
and the ideas discussed by peers and teacher explain
why the egg moves . . . .
into and out of the bottle: -- Concept Introduction.
To do this,
- think of the movement in terms of 'unbalanced forces'
- only use the word, PUSH
- do not use the words, PULL or SUCTION or DROP or FALL to explain the motion.
- define the role of HEAT in producing the unbalanced forces.
- think of other events that 'work' on the same principle of unbalanced forces; and other examples where the unbalanced forces caused by air pressure. These are
Concept Applications
4/21sn/96