3. Reading
Aim: Balloon
Flight (p. 710)
Talk About It
Nowadays
people can
travel quickly
by plane to
almost any part of the world. Why do you
think people still like to go up in hotair
balloons?
4. Something that is launched is started in
motion or sent off.
Particles are small bits or pieces of an
element.
Things that are dense are thick or packed
closely together.
Inflate means to cause to swell by filling
with air or gas.
5. Anchored means held firmly in place.
Hydrogen is a light gas that burns easily.
Scientific means having to do with or used
in science.
A companion is a person or animal who
keeps somebody company.
6. Reading
Aim: The Science of Hot
Air Balloons (p. 712)
Word Parts
Greek Roots help you
understand entire word
families. The hydrogen
has the Greek root hydr.
This root means "water."
Most words beginning with hydr have
something to do with water.
7. Reading
Monitor Comprehension
Make Generalizations
A Generalizations Chart helps
you make broad statements
that describe ideas or events.
This will help you monitor your
comprehension or
understanding of what you read. To make
generalizations, combine key facts from the
text and your prior knowledge.
Information
from Text
Prior Knowledge
Generalization
8. Reading
Aim: Up in the Air:
The Story of
Balloon Flight
(p. 714)
Nonfiction gives
information and
facts about real
people, places, events, and situations.
Make Generalizations
As you read, combine information from the
text with prior knowledge. Use your
Generalizations Chart.
9. altitude: the measurements of the distance
above Earth's surface.
chemist: an expert in chemistry, the science
that deals with the characteristics of
elements.
helium: a very light, colorless, odorless gas
that does not burn.
13. Reading Homework
Practice book, page 210. Read
the selection, then answer the
questions IN YOUR NOTEBOOK.
Write the question and answer
using complete sentences!
