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Pre-AP Science Course: Pre-AP Eighth Grade Unit: Matter and Energy/Force and Motion TEKS/Prerequisites Guiding Questions/ Specificity Sample Assessment Designated Grading Period: Second Six Weeks Days to teach: Matter and Energy – 5 Days Force & Motion – 18 Days Vocabulary Instructional Strategies/ELPS Unit Subtopic: Chemical Reactions 8.5(E) investigate how evidence of chemical reactions indicate that new substances with different properties are formed; and EOC READINESS Days to teach: 5 days Differentiate between endothermic and exothermic reaction? What are the signs that indicate a chemical reaction? Specificity: Recognize that formulas and equations express what happens in a chemical reaction. Recognize signs of chemical change. Teacher Notes: Review previous TEK: 7.6B physical and chemical changes in the digestive system. Which of the following gives evidence that a chemical reaction has taken place? a. Water freezing to ice b. The color of the wall changes from red to green. c. Potassium dissolves in water. d. Iron changing to rust. Precipitate Stemscopes https://n11052d40706.accelerate learning.com/login Endothermic Exothermic Types of Chemical Reactions Lab Where’s the Heat? Lab PAP – Lab should include CER format and higher level questions Students should write to explain the evidence of chemical reactions in proper format Menu Board project will be handed out to ensure higher level thinking for the specified TEK Movie – Chemical Reactions Conservation of Mass Lab Revised Spring 2016 Resources/ Weblinks Laying the Foundations Chemistry and Physics Laying the Foundations Chemistry and Physics Safari Montage Laying the Foundation Chemistry and Physics Evidence of a Chemical Reaction http://www.harpercollege.edu/tmps/chm/100/dgodambe/thedisk/chem rxn/signs.htm Pre-AP Science Course: Pre-AP Eighth Grade Unit: Matter and Energy/Force and Motion TEKS/Prerequisites Guiding Questions/ Specificity Sample Assessment Unit Subtopic: Energy transformations & Potential & Kinetic Energy 6.9 (C) demonstrate energy Guiding Question: transformations such as energy in Describe the energy a flashlight battery changes from transformation within a mechanical to chemical to flashlight. light/heat Designated Grading Period: Second Six Weeks Days to teach: Matter and Energy – 5 Days Force & Motion – 18 Days Vocabulary Instructional Strategies/ELPS Days to Teach: 3 days Solar energy Biomass energy Electrical Energy Chemical Energy 6.8 (A) compare and contrast potential and kinetic energy Where is the greatest and least kinetic energy found on a roller coaster? Where is the greatest and least potential energy found on a ball rolling down a hill? Stemscopes https://n11052d40706.accelerate learning.com/login http://www.pbslearningmedia.or g/resource/hew06.sci.phys.maf.r ollercoaster/energy-in-a-rollercoaster-ride/ Mechanical Energy Thermal Energy Nuclear Energy Geothermal Energy Hydroelectric energy Wind Energy Potential Energy Kinetic Energy Revised Spring 2016 Resources/ Weblinks https://phet.colorado.edu/en/sim ulation/energy-skate-park Pre-AP Science Course: Pre-AP Eighth Grade Unit: Matter and Energy/Force and Motion TEKS/Prerequisites Guiding Questions/ Specificity Sample Assessment Designated Grading Period: Second Six Weeks Days to teach: Matter and Energy – 5 Days Force & Motion – 18 Days Vocabulary Instructional Strategies/ELPS Unit Subtopic: Transformation of Energy/Balanced/Unbalanced Forces 8.6(A) demonstrate and calculate how unbalanced forces change the speed or direction of an object's motion; EOC READINESS Guiding Questions: What determines an objects force? What is the difference between the motion of an object in a balanced force system or an unbalanced force system? Specificity: Identify gravity as a force. Review 6.8A compare and contrast potential and kinetic energy. Utilize 7.7C as examples of force – emergence of seedlings, turgor pressure, and geotropism. Revised Spring 2016 Days to Teach: 4 Days When unbalanced forces act on an object, a. The object accelerates b. Friction becomes greater than the net force c. The object speeds up. d. The net force is zero Speed Movie – Bill Nye/Motion Force All About Motion and Balance The illustration provided shows two boys pulling on opposite ends of a rope with different amounts of force. What is the net force on the rope? Net force a. 10 N to the left b. 10 N to the right c. 90 N to the left d. 90 N to the right Resources/ Weblinks Stemscopes https://n11052d40706.acceleratel earning.com/login Balanced force Unbalanced force The Physics of Skateboarding Tricks http://www.exploratorium.edu/sk ateboarding/trick.html Mass Motion GPE Forces: http://phet.colorado.edu/en/contri butions/view/3189 Pre-AP Science Course: Pre-AP Eighth Grade Unit: Matter and Energy/Force and Motion TEKS/Prerequisites Guiding Questions/ Specificity Sample Assessment Designated Grading Period: Second Six Weeks Days to teach: Matter and Energy – 5 Days Force & Motion – 18 Days Vocabulary Instructional Strategies/ELPS Unit Subtopic: Speed/Velocity/Acceleration 8.6(B) differentiate between speed, velocity, and acceleration; What is the main difference between speed and velocity? EOC SUPPORTING Explain acceleration in your own words – give an example Unit Subtopic: Newton’s Laws Revised Spring 2016 If a car is moving on a highway at 70 kilometers per hour, going south, and then turns to travel 70 kilometers per hour, going east, what happens to its speed and velocity? a. Speed – changing, Velocity – constant b. Speed – constant Velocity - changing c. Speed – constant, Velocity – changing d. Speed – changing, Velocity - changing Speed Constant Speed Velocity Acceleration Days to Teach: 4 Days Exemplar Lesson Speed, Velocity, and Acceleration TEKS 8.6B Position v Time Graph Resources/ Weblinks Stemscopes https://n11052d40706.acceleratel earning.com/login Google Drive: Middle School Science Paper Airplane Lab (Further and Faster) Laying the Foundations- Physical Science PAP - Stemscopes Lab https://ali5.acceleratelea rning.com/scopes/182/el ements/9009 Google drive: Middle School Science Folder Days to teach: 4 Days Pre-AP Science Course: Pre-AP Eighth Grade Unit: Matter and Energy/Force and Motion TEKS/Prerequisites Guiding Questions/ Specificity Guiding Questions: Unit 8.6(C) investigate and describe applications of Newton's law of inertia, law of force and acceleration, and law of actionreaction such as in vehicle restraints, sports activities, amusement park rides, Earth's tectonic activities, and rocket launches. EOC READINESS What are everyday examples of Newton’s 3 Laws? Specificity: Teach to find all variables in Force = mass x acceleration 1st law: if all the forces acting on an object are balanced, the object will continue in its state of motion(straight line, constant speed) It is important for students to understand the interactive nature of forces (3rd law) and the predictive ability of 1st law and 2nd law. It isn’t necessary for them to memorize the laws. 8.3D – history of science and contributions of scientists – Newton **Earth Tectonics will be addressed in the 4th 6 weeks. Practice using spring scales. Review 6.9C on energy transformations. Revised Spring 2016 Sample Assessment In which of the following situations will the ball have the greatest acceleration? a. A golf ball with a mass of 0.045 kg is struck with a force of 1N b. A baseball with a mass of 0.142 kg is hit with a force of of 5 N. c. A soccer ball with a mass of 0.45 kg is kicked with a force of 20 N. d. A bowling ball with a mass of 7.2 kg is thrown with a force of 60 N. Which energy transformation occurs when a match is lit? A Chemical energy to heat energy B Heat energy to potential energy C Electrical energy to heat energy D Kinetic energy to potential energy Designated Grading Period: Second Six Weeks Days to teach: Matter and Energy – 5 Days Force & Motion – 18 Days Vocabulary Instructional Strategies/ELPS Inertia Vehicle restraints Mass Acceleration Force Body at Rest and A Body in Motion Rollercoaster Activity Solar energy Biomass energy (ex. corn) Electrical energy Which Law is It? Chemical energy Fossil fuels (C,O,N– coal, oil, natural gas) Mechanical energy Thermal energy (heat energy) Nuclear energy (sun, nuclear reactor) Geothermal energy Hydroelectric energy Hydroelectric power plant Wind turbine Three Laws of motion flipchart Biography of Sir Isaac Newton Resources/ Weblinks Stemscopes https://n11052d40706.acceleratel earning.com/login http://swift.sonoma.edu/educatio n/newton/newton_1/html/newton 1.html (Activities 1 and 2 on web page) http://www.scienceclass.net/archive/scienceclass/Lessons/Physics/Coaster/ro ller_coaster.htm Google drive www.prometheanplanet.com http://www-groups.dcs.stand.ac.uk/~history/Mathematicia ns/Newton.htm PAP – Stemscopes lab https://ali5.acceleratelearning.c om/scopes/183/elements/9055