PSA:
The Astronaut's Helper
| Web
Activity |
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Personal
Satellite Assistant
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Description
Students will
move the PSA in
the simulation
by clicking arrows
that represent
forces and must
get the PSA to
overheated racks
before the batteries
on the PSA run
out of power. A
timer displays
the amount of power
left in the batteries.
Students will change
the mass of the
PSA and see how
increased mass
affects the force
that must be applied
to move the PSA. |
Instructional Objectives
The student will
- understand that a
force must be applied
to an object to change
its speed or direction
of motion.
- understand
that the greater the
force applied to an
object, the greater
the change in the object's
speed.
- apply appropriate
forces to move an object
in a straight line
and in two dimensions.
- apply
appropriate forces
to stop an object in
motion.
- work cooperatively
with other students
and discuss what
is happening during
the interactive activity.
Open
Web Activity
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