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Mrs. De Keukelaere's 7th & 8th Grade Science Class

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8th Grade Life Science

Week 24

 Date Objective/ Procedure Handouts/ Labs Homework
2/18

No School!

 

 

2/19

Physical and Chemical Changes

1. Watch The Properties Song and then participate in the Physical vs. Chemical Changes Activity to differentiate between chemical and physical changes

2.Observe that there is no change when atmospheric air is pumped through a sample of limewater. They then blow exhaled breath through limewater and observe a milky precipitate.

3. Use atom tiles to create representations of the reactant molecules and rearrange them to make product molecules. When they are satisfied that they have re-created the reaction, they write a balanced chemical equation for the reaction, using standard conventions.

NJCCCS 5.1  & 5.6 

17. Limewater Investigation A/ B/ Questions

Studyisland Assignment #7 Chemistry
 

2/20

Chemical RXN 1

1.Add vocabulary to Chemistry glossary: Law of Conservation of Matter-atoms can neither be created or destroyed and understand that atoms can be rearranged to produce a chemical reaction

2.Use atom tiles to create representations of the reactant molecules and rearrange them to make product molecules. When they are satisfied that they have re-created the reaction, they write a balanced chemical equation for the reaction, using standard conventions.

3. Read "How do Atoms Rearrange" p.63-68 in Chemical Interactions Resources book and answer questions to understand how The Law of Conservation of Matter applies to chemical reactions

NJCCCS 5.1  & 5.6 

18. Chem RXN

 

Studyisland Assignment #7 Chemistry

 

2/21

Chemical RXN-2

1. Observe a demonstration of the reaction of HCL +NaHCO3 to produce Co2 + H20 + NaCl

2.Use atom tiles to create representations of the reactant molecules and rearrange them to make product molecules. When they are satisfied that they have re-created the reaction, they write a balanced chemical equation for the reaction, using standard conventions.

3. Prepare to evaporate the water from the salt and the Calcium Carbonate from the water in the Limewater test for Carbon Dioxide

NJCCCS 5.1  & 5.6 

 

Studyisland Assignment #7 Chemistry

Balance chemical equations-Chemical Reactions& Tutorial

2/22

The Periodic Table  & Balancing Equations

1. Understand that atoms can neither be created or destroyed and understand that atoms can be rearranged to produce a chemical reaction- Law of Conservation of Matter

2.Determine whether the chemical reaction is a synthesis (building up), decomposition (breaking down), or replacement (rearrangement) reaction and the difference between an endothermic and exothermic reaction

3. Work in groups to balance chemical equations-Chemical Reactions& Tutorial

NJCCCS 5.1  & 5.6 

 Notes: Chemical Reactions

Studyisland Assignment #7 Chemistry

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Created by: Corinne De Keukelaere
Email: cdekeukelaere@bloomingdaleschools.org
                               Last Updated: Saturday February 16, 2013 05:29 PM -0500