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September 9th Homework: Review your notes Enjoy the weekend! Do Now: Place your homework on your desk Do Now: take out your binder and the four dividers. Create four sections and label them the following: Notes Homework Assessments Labs Agenda : Do Now: Binder Notes: Matter Closure: Root Words
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Movie Questions 1. Define matter: 2. Provide 3 examples of matter. 3. What are the 3 states? 4. Define Energy: 5. Provide an example of each type of energy: Mechanical Light chemical
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Matter I. Matter A. What is Matter? - anything that has mass and takes up space. Ex: wood, water, oxygen, air
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B. Properties a. General properties: all matter has mass, weight, volume and density b. characteristics of matter: color, size, shape, texture, and hardness. 1. Physical property: One that can be observed without changing the chemical makeup of a substance ex: sugar dissolving into sugar water Forming the sugar water without changing the chemical makeup: physical change
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2. Chemical Property: chemical change that a substance undergoes ex: boiling sugar water to turn brown
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8th Grade Science Mrs. Fugarino Weekly Assignments: Current Topic: Metric Measurements This week: 9/12 Homework: Conversion worksheet Read textbook pgs 20 – 33, pg 24 activity calculations, pg 36 1-10 Physical and Chemical Property Worksheet Classwork/Labs: Metric Measurement Lab Density Lab Chemical and Physical Properties
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September 12th Homework: Conversion worksheet Read textbook pgs 20 – 33, pgs24 activity calculations, pg 36 1-10 Do Now: Take out the Root Word Reference Sheet and the Student Answer Sheet. Create definitions for the following words EndothermConverge CatalystCovalent ProkaryoteSubatomic hydrolysis Agenda : Do Now: root word work Notes: metric units Closure: conversion practice
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1. Endotherm: organism that keeps its body temperature controlled internally 2. Converge: to come together 3. Catalyst: chemical that speeds up the reaction of breaking a substance down 4. Covalent: shared bond of the valence shell (outer shell) 5. Prokaryote: cell without a nucleus, evolved before the nucleus 6. Subatomic: smaller segment of the atom 7. hydrolysis: to breakdown with water
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II. Measurement A. The Metric System 1. Referred to as the International System of Units (SI) a. based on multiples of ten b. used to measure all properties of matter: mass, density, volume, length, temperature kilo-, hecto-, deca-, deci-, centi-, and milli-
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B. Common Metric Units 1. Length a. meter (m) b. centimeter (cm) centi means one-hundredth, 100 cm = 1 meter c. millimeter (mm) milli means one-thousandth, 1000mm = 1 meter d. kilometer (km) kilo means one thousand
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2. Volume the amount of space an object takes up We could measure liquids or solids 1) Liquids a. liter (L) basic unit b. milliliter (mL) 1000 mL = 1 liter 2) Solids a. cubic centimeters (cc) or cm 3 b. 1 cc = 1 mL, 1000cc = 1 L
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C. Converting Metric-units 1. Remember the prefix sequence kilo-, hecto-, deka-, deci-, centi-, and milli- 2. Remember the prefixes in order by using the following sentence: King Henry Doesn't [Usually] Drink Chocolate Milk 3. The first letters of the words stand for the prefixes, with "Usually" in the middle standing for the "unit", being meters, grams, or liters. kilo - hecto- deca- [unit] deci- centi- milli-
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D. Steps in Converting Convert 12.54 kilometers to centimeters. 1. How many jumps is it from "kilo-" to "centi-"? Five, to the right. 2. Move the decimal point five places to the right, filling in your zeroes:
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3. Place the zeroes. Answer : 12.54 km = 1 254 000 cm
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E. Converting Fractions to Decimals 1. How to convert the fraction into a decimal 1) divide the bottom number (denominator) into the top number (numerator) 2) round to the nearest hundredths place 2 ½ = 2.5 4 ¾ = 4.75
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Closure Work on the first 5 questions of your homework sheet
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September 13th Homework: check the sheet posted on the door when you walk in : ) Do Now: Take a lab from the teacher’s desk Complete the following Practice problems 1. 950 g = _______kg 2. 25 cm = _______mm 3. 0.075 m = ______ cm Agenda : lab on measurement
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September 14th Homework: See Mrs. Fugarino during activity to complete today’s lab Study converting metric units!! check the sheet posted on the door when you walk in : ) Do Now: Take a lab from the teacher’s desk Complete the following Practice problems by converting the mixed fraction into a decimal. 1. 6 ¾ g = _______g 2. 25 ¼ cm = _______cm 3. 4 ½ m = ______ m Agenda : lab on measurement
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September 15th Homework: Study converting metric units!! check the sheet posted on the closet door when you walk in : ) Do Now: 1. Place lab homework in the bin. 2. Create 3 conversion equations with your lab partner 3. Create an answer key for your question 4. Get a white board and marker to share with partner and write ONLY your created equations on it. SWBAT : Convert metric units Explain the relationship between mass and weight Closure: Create your own metric conversion equation
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III. Mass A. What is Mass? - The amount of matter found in an object - It is always constant - Can only change when matter is added or taken away 1. Mass and Inertia a. Inertia: is measured by mass, it is the resistance an object has to a change in motion b. The more mass the greater the inertia c. The force needed to overcome the inertia must be great
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B. What is weight? Weight is not constant It can change according to conditions The pull of gravity on an object determines the object’s weight You weigh less on the top of a mountain than at sea level 1. Why? a) As the distance between an object and the Earth increases there is gravitational force decreases! b) You can become weightless!
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September 16th Homework: Study your notes over the week end Read textbook pages 39-56 Remember to enjoy your weekend!! : ) Do Now: 1. Compare and contrast your conversion sheet homework with your partner. SWBAT : Convert metric units Review conversion the class
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closure Take a post it note In one sentence explain the difference between weight and mass. Post it on the mini white board
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8th Grade Science Mrs. Fugarino Weekly Assignments: Current Topic: Volume and Density This week: 9/19 Homework due FRIDAY: Density worksheet Read textbook pgs 39-55, pg 48 #1-2, pg 54 #1-2 Classwork/Labs: Density Relay Practice With Metric Measurements Chemical and Physical Properties SWBAT : Describe four states of matter Convert metric units Explain the term density Explain why matter floats or sinks Calculate density word problems
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September 19th Homework: Read textbook pgs 39- 55, pg 48 #1-2, pg 54 #1-2 Do Now: 1. Write down the equations and Answer the following: 2. Remember: Place a zero in front of or following any decimal. 3. Remember to round to tenth’s place! 1. 42cm = __________M 2. 0.1 g = __________dg 3. 89.2 cm = ________in SWBAT : Describe four states of matter Convert metric units
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D. States of Matter 1. 4 states of matter: Solid, liquid, gas and plasma 1. Solid: Definite shape and definite volume Tightly packed and can vibrate Structure is a regular repeating pattern know as a crystal. Some solids do not keep definite shapes and they are called amorphous 2. Liquid: Particles can move freely, has no definite shape Takes shape of it’s container Has viscosity: the resistance of a liquid to flow
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3. Gases Does not have a definite shape or definite volume Gas particles spread away from each other and can be pushed very close together They are in constant motion 4. Plasma Very dangerous and extremely high in energy Most commonly found in the universe The stars and sun contain matter in the plasma phase
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K H D (units) d c m 1 inch = 2.54 cm 1. 10.0 m = ____________km 2. 2.0 cm = ____________in 3. 2.0 km = ____________cm 4. 250.0 mL = __________L Name ______________ Closure: Science Relay Activity
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1. How many kilograms are equal to 9.8 Newtons? 2. The force of attraction between two objects is _____? 3. The amount of matter found in an object is _______? 4. ___________ is anything that has mass and volume.
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September 20th Homework: Read textbook pgs 39-55, pg 48 #1-2, pg 54 #1-2 Do Now: 1. Take a Do Now sheet found on Mrs. Fugarino’s desk. 2. Quietly, read the Do Now and answer the questions. SWBAT : Explain the term density Explain why matter floats or sinks Apply your knowledge of density to your life daily! Relate viscosity to density
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E. Density and Volume Density = Mass/Volume 1. Density It provides a way to convert between mass and volume of a substance. Density can be either expressed as liquids (g/mL) or solids (g/cm 3 ) Density is an important property used to compare matter more accurately than just mass. Chemistry Density Problems
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density chart
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Practice Questions 1. A bar of aluminum has a volume of 1.45 cm 3 and a mass of 3.92 g. What is it’s density? 2. An object has a mass of 206 g and a volume of 250 mL. Calculate the density. 3. The density of silver is 10.5 g/cm 3. What is the mass of the sample of silver if it has a volume of 16.3 cm 3 ?
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Answers 1. D = 2.7 g/cm 3 2. D = 0.8 g/mL 3. Set up conversion factor: Density = 10.5 g/1cm 3 mass/volume = 10.5 g/1cm 3 mass/16.3 mL = 10.5 g/1cm 3 171.2 g =16.3 cm 3 x (10.5 g/1 m 3 )
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1. What is the formula for density? 2. Solve: A sample of gold has a mass of 96.5 g and a volume of 5 cm 3. Calculate the density. 3. Solve: A liquid has a mass of 206 g and a volume of 250 mL. Calculate the density. 4. Solve: A sample of matter has a volume of 4.0 cm 3 and a mass of 42 g. Calculate the density. Name ______________ Closure: Science Relay Activity
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1. What is the formula for density? D = mass/volume 2. Solve: A sample of gold has a mass of 96.5 g and a volume of 5 cm 3. Calculate the density. D = 19.3 g/ cm 3 3. Solve: A liquid has a mass of 206 g and a volume of 250 mL. Calculate the density. D = 0.8 g/mL 4. Solve: A sample of matter has a volume of 4.0 cm 3 and a mass of 42 g. Calculate the density. D = 10.5 g/ cm 3 Name ______________ Closure Answers: Science Relay Activity
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8th Grade Science Mrs. Fugarino Weekly Assignments: Current Topic: Volume and Density This week: 9/26 Homework due Wednesday: Workbook pgs 239-2241, and 243 Classwork/Labs: Practice With Metric Volume Measurements Finding volume of Solids and Liquids SWBAT: Describe why ice floats and other objects sink Convert liquid metric units Explain why matter floats or sinks Calculate density word problems Calculate volume of irregular and regular objects
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September 27th Homework: Complete workbook pgs 239- 241, and 243 by tomorrow Complete lab on volume Study how to solve for density and volume Do Now: 1. Take a lab on Volume and Do Now density question sheet found on Mrs. Fugarino’s desk. 2. Quietly, read the Do Now and answer the questions. SWBAT : calculate volume of irregular and regular solids and liquids practice rounding to the nearest tenth place practice labeling with correct units when finding volume
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Do Now: Going Backwards? 1. A sample of vegetable oil has a density of 0.916 g/mL. (a) What is the mass of the vegetable oil if the volume is 225 mL? (b) What is the volume of the vegetable oil if the mass is 45.0 g?
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Answer (a) Density = 0.916g/mL Set up Conversion Factor: 0.916 g 225.0 mL x 1mL = 206.0 g oil (b) Density = 0.916 g/mL Set up Conversion Factor: 1mL 45.0 g x 0.916 g = 49.1 mL
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Density of fresh water is 1g/mL Why do objects float in water? Any matter having density less than 1g/mL will float Only 11% of ice is actually ice, the other 89% is cold water That is why ice cubes float! More...
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Practice Questions 4. A student measured the volume of an iron nail to be 0.880cm 3. She found that the its mass was 6.92g. What is the density of iron?
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Answer 4. Take the ratio of mass to volume. 6.92g D = 0.880cm 3 = 7.86g/cm 3
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C. What is gravity? the force of attraction between an object The metric unit of weight is the newton (N) For every 1 kilogram there is 9.8 N Solve: The mass of 55.5 kilograms is equal to how many Newtons? Answer: 55.5 kg (9.8N/1kg) = 543.9 N
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IV. States of Matter three states of matter
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Answers 1. 1 km = 1000 m Setup: ?m = 14.50km x 1000m 1km 14500m 2. 1g = 1000mg Setup: ?mg = 3.54g x 1000mg 1g 3540mg
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3. 1m = 100cm Setup: ? m = 125cm x 1m 100cm 1.25cm
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