... matter). The questions on the physical science section of the
GED will cover topics taught in high school chemistry and physics
courses. This chapter reviews the basic concepts of physical-
science the ... between
the molecules of the surface of the glass and the surface
of the table. Friction depends on the nature of the two
surfaces. For example, there would b...
... and engineering to the study of metals. Metallurgy is the art and science of
extracting metals from their ores, refining them, alloying them and preparing them for use, and
studying their properties ... December 1997
Job Family Position Classification Standard for
Professional Work in the Physical Science Group, GS-1300
Series Covered by This Standard...
... Pages
Encyclopedia of Physical Science and Technology EN002G-61 May 19, 2001 19:33
144
Biomass, Bioengineering of
The energy value (heat of combustion) of petroleum is
about twice that of biomass ... a fraction of the land
now devoted to agriculture and animal husbandry. (There
P1: FPP 2nd Revised Pages
Qu: 00, 00, 00, 00
Encyclopedia of Physical Science and...
... QUESTIONS–
277
Each kind of atom or molecule can gain or lose energy
only in particular discrete amounts. When an atom gains
energy, light at the wavelength associated with that
energy is absorbed. ... and energy can t be created or
destroyed.
➧ Energy can change form and can be trans-
ferred in interactions with matter.
– PHYSICAL SCIENCE...
... Alert by
Franklyn M. Branley
ISBN 0-064-45904-5
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Poems for the Months
by Karen B. Winnick
ISBN 1-563-97898-9
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ISBN ... goggles
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UNIT < /b> B ã Getting Started
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B4
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questions that tie
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Unit C ã Physical Science
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ã Switch On, Switch Off
by Melvin Berger
ISBN: 0-328-11791-9
C2
UNIT C ã Physical Science
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warms the air inside the
balloon. When air is heated,
a physical change takes place.
The air expands, which makes it
lighter than the cooler air outside
the balloon. Lighter air rises, ... even
more buoyant.
Air inside the
balloon is less
dense than air
outside. The
balloon rises.
Air inside the
balloon is
denser than air
outside. The
balloon sinks....
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Objects in
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How do things move?
2 56
Lesson ... 6
Objects in
Motion
How do things move?
2 56
Lesson 1
Position
Page 260
Lesson 2
Motion
Page 268
Lesson 3
Pushes and Pulls
Page 2 76
Lesson 4
Changing Motion
Page 284
2 PS 1. The m...
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Physical Science
13892_CVR_FSD Cover113892_CVR_FSD Cover1 5/26/2005 10:24:52 AM5/26/2005 10:24:52 AM
by Kim Fields
Scott Foresman Science 4.12
Genre Comprehension Skill Text Features Science ... Kim Fields
Scott Foresman Science 4.12
Genre Comprehension Skill Text Features Science Content
Non ction Cause and Effect ã Captions
ã Labels
ã Call Outs
ã Glossary
Heat
ISBN 0...
... Physical Science
by Marcia K. Miller
Scott Foresman Science 6.13
Genre Comprehension Skill Text Features Science Content
Non ction Sequence ã Captions
ã Charts
ã Diagrams
ã Glossary
Matter
ISBN ... 12:55:21 PM
Physical Science
by Marcia K. Miller
Scott Foresman Science 6.13
Genre Comprehension Skill Text Features Science Content
Non ction Sequence ã Captions
ã Charts
ã Diag...
... stopping
for fuel. Solar- powered cars use solar cells either to power
the car’s motor directly or to charge a battery that powers
the motor. The fi rst cars that ran totally on solar power were
built ... multiple
solar cells can be placed onto solar panels. The solar cells are
connected on the panels, and their electricity output is combined.
solar panel
enlarged view
o...