Easel by TpT

Element, Compound or Mixture? Critical Thinking Exercises, Warm-Ups (Updated!)

Grade Levels
6th - 10th
Standards
Formats Included
  • PDF
  • Activity
Pages
10 pages
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Includes Easel Activity
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Also included in

  1. Vocabulary Reinforced1. Matter – anything that has mass and takes up space2. Atom – smallest unit of a chemical element3. Chemical element – a pure substance that consists of only one type of atom – all naturally occurring chemical elements are listed on the periodic table4. Molecule – smallest unit
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Description

Updated on 4/19/19. 10 versatile mini-assignments to help students fully understand the differences between elements, molecules, compounds and mixtures.

These assignments can be used as warm-ups, exit cards and/or short quizzes.

Students are given the following vocabulary, along with a periodic table, to help them learn about different ways we classify matter in addition to other introductory lessons. A printable student page of these words is provided.


Vocabulary Used

1. Matter – anything that has mass and takes up space

2. Atom – smallest unit of a chemical element

3. Chemical element – a pure substance that consists of only one type of atom – all naturally occurring chemical elements are listed on the periodic table

4. Molecule – smallest unit of matter consisting of two or more bonded NONMETAL atoms

5. Molecular element – molecule consisting of two or more bonded atoms of the SAME element

6. Compound – molecule consisting of bonded atoms from two or more DIFFERENT elements

7. Pure substance – sample of matter consisting of a single type of element or compound

8. Mixture – different substances that are NOT bonded, but only mixed together

9. Liquid solution – a liquid in which a solid, liquid or gas is completely dissolved

10. Alloy – mixtures of metals

Total Pages
10 pages
Answer Key
Included
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
NGSSMS-PS1-1
Develop models to describe the atomic composition of simple molecules and extended structures. Emphasis is on developing models of molecules that vary in complexity. Examples of simple molecules could include ammonia and methanol. Examples of extended structures could include sodium chloride or diamonds. Examples of molecular-level models could include drawings, 3D ball and stick structures, or computer representations showing different molecules with different types of atoms. Assessment does not include valence electrons and bonding energy, discussing the ionic nature of subunits of complex structures, or a complete depiction of all individual atoms in a complex molecule or extended structure.
NGSSHS-PS1-1
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms. Examples of properties that could be predicted from patterns could include reactivity of metals, types of bonds formed, numbers of bonds formed, and reactions with oxygen. Assessment is limited to main group elements. Assessment does not include quantitative understanding of ionization energy beyond relative trends.
Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 9–10 texts and topics.
Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 6–8 texts and topics.

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