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OBJECTIVES:
Students are introduced to the
concept of buoyancy.
Students conduct a series of experiments
to study the effects of temperature and salinity (salt content)
on the buoyancy of an object in water.
Students devise ways to make floating and sinking
objects neutrally buoyant.
NATIONAL SCIENCE STANDARDS:
Physical Science:
Properties Of Objects And Materials (K-4)
Properties And Changes Of Properties In Matter (5-8)
Position And Motion Of Objects (K-4)
Motions And Forces (5-8)
Science As Inquiry:
Abilities Necessary To Do Scientific Inquiry
Science and Technology:
Understanding About Science and Technology
STANDARDS FOR TECHNOLOGY LITERACY:
The Nature of Technology:
Students will develop an understanding of the core concepts of
technology.
Students will develop an understanding of the relationships
among technologies and the connections between technology
and other fields of study.
Design:
Students will develop an understanding of the
attributes of design.
Students will develop an understanding of
engineering design.
Students will develop an understanding of the role of
troubleshooting, research and development, invention and innovation, and
experimentation in problem solving.
Abilities Of A Technological World:
Students will develop
abilities to apply the design process.
The Designed World:
Students will develop an understanding of and be able to select and
use transportation technologies.
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LECTURE AND PREPARATION TIME:
15 minutes
LESSON TIME:
60 minutes
WORDS TO KNOW:
- buoyancy
- density
- float
- force
- graduated
- neutrally buoyant
- pressure
- salinity
- sink
- submerged
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