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Transcript
Welcome back to
Honors Chemistry!
Please sit in your
assigned seat with your
name-plate in front of you.
Absent yesterday?
 Here are some highlights:
 Make a Name-Plate to place in
front of you.
Write your first name and last
name on BOTH sides.
YOU’RE A CHEMISTRY STAR!
Inspiration Wall Activity
 Your first and last name inside your star
 You may choose to include:
 Thought that is important to you
 A picture
 Song Lyrics
 Famous Quote
 Family
 Favorites
 SCHOOL APPROPRIATE PLEASE!
 What a great inspiration to see everybody displayed

CLASSROOM GUIDELINES
TO SUCCESS
 Let’s share some important information:
 Classroom expectations
 Guidelines
 Grading policy
TODAY’S LESSON: WHAT
IS CHEMISTRY?
 Chemistry is the
study of
composition of
substances and
the changes it
undergoes.
 Chemistry is the
study of matter.
THE POWER OF
OBSERVATION
 One of the most
important skills of
a chemist!
 It allows us to
detect chemical
and physical
changes.
 The heart of
chemistry.
CHEMICAL AND PHYSICAL
CHANGES
 Physical Change
 Alters a given
material without
changing its
composition.
 Cutting, grinding,
bending, boiling,
freezing, crushing.
 Chemical Change
 A change that
produces a new
substance or
substances.
 Rusting, tarnishing,
milk souring, baking
cookies, a gas is
released, heat is
released or absorbed.
WHAT IS THE DIFFERENCE BETWEEN
AN OBSERVATION AND A
CONCLUSION?
 Observations are what you see,
hear, feel, and what you smell from
your environment.
 Using your senses, detect changes.
 Conclusions are based upon your
observations.
 They try to explain why you observed
the phenomena you did.
Learning to think like a
scientist…
 Let’s grab a chemistry book.
 Page 15
 Introduction Paragraph
 Partner Read Pages 15&17
 Worksheet review
 Take 5-7 minutes to complete
New Experiment:
 Observing and Questioning…
 SAFETY GLASSES MUST BE WORN
AT ALL TIMES TODAY IN THE LAB.