GRADE 8 Curriculum

                             Grade 8 Curriculum

               The Science Curriculum  aligns with the Next Generation Science Standards.

Unit 1  States of Matter  (text chapter 6)

6-1 Solids, Liquids, Gas-What physical changes and energy changes occur as matter goes from one state to another

                Lab Demo- Show the states of matter

                Lab – Six  layer density column

                Math  skills*- Practice calculating density of solids

                Lab- Finding the density of 9 different cubes

                Math skills*-Practice calculating density

6-2 Changes of State-To learn how temperature is related to particle motion.

                Lab- Surface Tension

Lab- To calculate the volume of irregular solid (water   displacement)

Lab- To Calculate the % of Air in Gravel

6-3 The Behavior of Gases- How temperature, pressure and volume effect gases .

       Technology-PhET (interactive simulations)-Gas Properties

                Math skills*  Boyles Law V2=P1V1/P2

Unit 2 Understanding the Atom  (text chapter 7)

       7-1 Discovery parts of the atom- Protons , Neutrons, Electrons

                Lab Demo- Model of the Atom

Lab Diagrams –atoms proposed by Dalton, Thompson, Rutherford Bohr, Schrodinger

       7-2 Protons, Neutrons, and Electrons –How they differ.

Lab- Using magnetic  manipulatives show & identify different atoms ,ions and isotopes

Lab-Radioactivity( alpha, beta, gamma rays)

Math Skills* Calculating the average atomic mass of an element if you know the percentage of each isotope

Lab- Finding half life of a radioactive element

Unit 3 Elements and Chemical Bonds (  text chapter 8)

8-1 Electrons and Energy Levels- How elements join together to make chemical bonds.

       Lab Activity- Lewis Dots

       Lab Activity- Configuration of an atom,(shelves)   

8-2 Compounds, Chemical Formulas, and Covalent Bonds-Properties of covalent bonding

       Lab Activity- Periodic Table basics

8-3 Ionic and Metallic Bonds-To understand ionic bonding, metallic bonding and covalent bonding

Lab- using magnetic manipulatives  demonstrate the different types of bonding

Math Skills*  Using percentage to calculate how the radius changes in an ion

Lab-& Math*- Balancing Equations  

Unit 4 Chemical reactions and Equations  (text chapter 9)

9-1 Understanding reactions-What are the signs of a chemical reaction and what happens to atoms?

       Lab- Activity to discover the different types of chemical reactions

9-2 Types of Chemical reactions-How can you recognize the type of Chemical reaction by the number or type of reactants and products.

Lab-  Four types of Chemical Reactions –( 5 days)Students complete the equation & identify the reaction

9-3 Energy Changes and Chemical reactions-Why do chemical reactions always involve a change in energy? The difference  between endothermic and endothermic.

                Math Skills* –Use Geometry to calculate surface area

                Lab- Experiment (endothermic and exothermic)

Unit 5 Mixtures, Solubility and Acid Base Solutions

10-1 Substances and mixtures- How do substances and mixtures differ and how do compounds differ from mixtures?

Technology- Discovery Ed, “Molecules and Compounds” interactive

       Lab- Identify a solution or heterogeneous  mixture

       Technology-Discovery Ed- Acids , Bases, and Salts (46min)

       10-2 Properties of Solutions-How do concentration and solubility differ?

                Lab-Solubility

                Math Skills*-Solve for concentration of a solute in a solution.

                Technology-Discovery eD“Mixtures and Solutions” (18min)

10-3 Acid and Base Solutions- How does the concentration of hydronium  ions effect pH?

       Technology-PhET- (interactive simulations)- pH scale

                Math Skills*- Graphing the solubility of a solute

                Lab- Compare the different properties of solubility.

Solubility is a characteristic property.

Unit 6 Describing motion

1-1- Position and Motion-How does the description of an objects position depend on a reference point.  Difference between distance and displacement

Technology-PhET (interactive simulations)-Forces & Motion Basics to include ,netforce,motion,friction,acceleration

1-2- Speed and Velocity-How to use a distance time graph to calculate speed.

       Lab- Using windup toys to calculate speed

       Math skills *– calculating speed  S=d/t

1-3 Acceleration-The different ways an object can accelerate

       Math skills*- Practice solving word problems on acceleration.

       A=V2-V1/t

       Lab- In what ways can velocity change? Launch lab(text)

       Lab- Make a Balloon rocket

Unit 7  The laws of Motion

2-1 Gravity and Friction- How does friction effect motion? The Law of universal  gravitation.

       Lab- Friction demonstrations

       Lab- Hover craft

Technology-Discovery Ed- “Basic Physics: Exploring Laws of Motion: (21mim)

2-2 Newton’s First Law- How does the first law relate to balanced and unbalanced forces (Inertia) and how does it affect the motion of objects.

       Technology-Discovery Ed- Newtons 3 Laws& examples

       Lab- Quarter in a cup

       Technology- Sky Dive Science World Mag & questions

       Lab – Inertia tower- Paper cup challenge

2-3 Newton’s Second Law- The acceleration of an object is equal to the net force acting on the object divided by the objects mass.

       Lab- Centripetal force-water activity

       Technology-Demonstrations of physics-You Tube

                          Free fall and Projectile ( 2 min)

                          Shoot  and Motion (2 min)

2-4 Newton’s third Law-Equal and opposite force

       Technology-You tube-Examples of Laws of Motion

       Math skills* Finding momentum

       Technology- -You tube-“Laws of Motion” (GC)

LAB- Special lab Roller Coaster with foam pipe & marbles

This finishes Newtons Laws

Unit 6 Geologic Time

17-1 Geologic History and the Evolution of Life-Development of the     Geologic Line and mass extinctions.

    Lab-Interpret Data – How has life changed over time

Technology- Discovery Ed –“Historical Geology: A glimpse of Earth’s Past”

    Lab- Activity –create time chart Eons, Eras,Periods and Epoch

17-2 The Paleozoic era- what does fossil evidence reveal about the Paleozoic era.

    Technology- Discovery Ed ---“Mass Extinction”( 3min)

    Lab- Creating a fossil

17-3 The Mesozoic Era-Major geological events during this period.

Math skills*-Use percentages to calculate time taken by each period

17-4 The Cenozoic Era –Major geologic events of this period.

    Technology- Discovery ED “Walking with Lucy”(2min)

                       Discovery Ed “Walking on Two Feet”(5min)

                       Discovery Ed “Just the Facts Early Man (48min)

      Sources

         -  McGraw Hill-Glencoe  iScience  (Text and digital text)

Integrated course 3, Grade8

2012  1st  edition  ISBN 9780078955907

                       Technology

        -PhET-Interactive  Simulations- produced by Univ. of Colorado

           -Discovery ED

       - Power Points

       -Science World Magazine