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3.1: What is Matter?

Difficulty Level: At Grade Created by: CK-12

Student Behavioral Objectives

  • The student will:
  • define matter and explain how it is composed of building blocks known as atoms.
  • explain the differences between substances and mixtures.
  • classify mixtures as homogeneous or heterogeneous.
  • identify the chemical symbols of common elements.
  • explain the difference between an element and a compound by their symbols or formulas.
  • demonstrate the proper use of parentheses and subscripts in writing chemical formulas.
  • determine the number of atoms and name of each element in a compound.

Timing, Standards, Activities

Timing and California Standards
Lesson Number of 60 min periods CA Standards
What is Matter? 2.0 None

Activities for Lesson 1

Laboratory Activities

1. None


1. None


1. What is Matter Worksheet

Extra Readings

1. The Scientific Method and the Socratic Method

Answers for What is Matter (L1) Review Questions

  • Sample answers to these questions are available upon request. Please send an email to teachers-requests@ck12.org to request sample answers.

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Date Created:

Aug 18, 2012

Last Modified:

Sep 03, 2015
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