WARM UP

Chemistry Warm Up 9/3 (Write the question). Use a book! Chemistry after school tutoring is in Today! 1. What are the exponents for: A) Kilo- b) Milli- C) Centi- d) Deci- 2. How many mL are in.03 L? 3. Convert.046 L to centiliters. 4. What is K equals how many in Celsius? 5.

Temperature Conversions Review (copy everything) Convert 12.1 ° C to Fahrenheit(F °) and Kelvin. Convert 76 ° C to K and F °. Convert K to ° C and F °. Convert ° C to K and F °. Convert 658 K to C ° and F °. Memorize these equations for your test tomorrow.

Warm-Up (Write the question. You have 10 minutes) 1) How many significant figures do each of the following have? A) b) ) Round to 3 significant figures and express in scientific notation: A) B) C).0976 D) ) What do the prefixes milli-, kilo-, centi-, and deci-stand for? 4) 26 kg is how many grams?

Warm-Up Answers 1. A)3 B)4 C)2 2A) 5.83 x 10^-4 B) 5.23 x 10 ^-3 C)9.76 x 10 ^-2 D) 4.26 x 10 ^-3 3. Milli= 10^-3, kilo= 10^3, centi = 10^-2, deci 10^-1 D) 26,000 grams

Warm Up 9/3 Write the question & the use your book. 1. Humans belong to what sphere? 2. Plants belong to what sphere? 3. Mountains belong to what sphere? 4. What is the difference between the carbon cycle and water cycle? 5. What are plate tectonics? 6. Why are plate tectonics important?

Physics Warm-Up 9/18 (write the question) 1. What is the average speed of a cheetah running 45m after 5 minutes? What’s the difference between velocity and speed? What is Newtons 2 nd Law?

Physics Warm-Up 9/10 Calculate the weight of a football player who weighs 139 kg. What is the mass of an object with an acceleration of 4 m/s^2 and a mass of 12 Newtons (Don’t’ worry about units here. How many kilograms does a boy weigh with a mass of 12 Newtons?

Chemistry Warm-Up 9/18 Please write the question. 1. Convert 64 K to C ° and F °. 2. Find the density in g/cm^3 for a child who weighs 1,200 grams and has a volume of g/mL. 3. What’s determines whether a substance is a solid, liquid, or gas?

Earth Sci. warm Up 9/18 What are the 3 types of volcanoes?

Warm – Up Answers Look on board. 2. Density = mass/volume 1200g/136.6 g/mL= 3. Density = mass/volume 56g/2.2 g/mL= 4. 1 mL = 1 cm ^3

Physics Warm Up 9/17 Use the same piece of paper. 1. What’s the force on an object if it’s mass is 7 g and it’s acceleration is 3.4 m/s^2? 2. What’s the mass of an object if it’s force is 9.2 N and it’s acceleration is 65 m/s^2?

Physics Warm Up 9/24 1) What is the weight in Newtons of an object weighing 28.1 kg? 2) What is Newtons 3 rd Law?

Chemistry Warm up 9/24 1) Anything that has mass and volume is called (blank)? 2)Classify each as a chemical or physical change A) burning gasoline B) rusting iron C) evaporating water D) decomposing meat

Chem. Page 71 answers 41)Liquids and gases flow freely and take on the shapes of their containers. Gas molecules move faster than liquid molecules. 42) far apart 43) physical 49) a- physical b-chemical c-physical d-chemical E-chemical f-chemical g-chemical h-physical i- chemical J-physical k- chemical

51) a)hetero b) homo c)hetero d) homo e)hetero

Physics Warm up 9/26: Write the question. Test on Monday ch.4,5,6! 1. How many forces are acting on your body right now if its at rest? 2. Which law says Force is the product of mass and acceleration.

Physics Answers Newtons 2 nd Law

Pg. 83 #1-14 1) yes;yes; 2 forces in one interaction. 2) Same, because both are part of one interaction. 3) The floor pushes you as you push the floor. 4) Reaction is water pushing you forward. 5) Reaction if arrow pushing on bowstring. 6) The acceleration is too small due to world’s large mass. 7) Same, acceleration is large for bullet, small for rifle. 8) Rocket is propelled by reaction force of gas. 9) one; one; yes; yes. 10)No; yes 11)yes, no they remain together.

Pg. 83 # ) Friction = f Push = F Pull = P a) Two: “P” and “f” B) P – f 13) a) P and F b) F-P c) two: F and P 14) a) Two F and f b) F-f

Chemistry Warm Up 9/26 Write this down. What’s the density for an object with a mass of 10 g and a volume of 100 mL/ Change g to kg. True or False: Oxygen gas is an element.

Chemistry Density Lab Work at your table in groups of 2 or 3. DO NOT CHANGE SEATS! 1 person comes up to get your materials. If you break something let me know ASAP. Absolutely no horseplay. Clean – up: Put all liquids into large graduated cylinder at front of room. If your hands are dirty, you may wash with water and use paper towels to clean your station. NO FOOD & NO ELECTRONICS.

Materials: Write this down on the last page of your write up. Each group will have 1 funnel, 1 graduated cylinder, 3 cups. 1 cup with green water. 1 cup with blue corn syrup 1 cup with yellow/reddish vegetable oil. Follow your lab instructions. Send up 1 person to get your materials. YOU MAY BEGIN. HAVE FUN! Finish your chapter 4 (1 st column only pg.105) vocabulary) when done. Due tomorrow in packet #7.

Physics Warm Up 9/27 Test Monday chapter 4,5,6. Write the question. 1) What does Newtons 1 st law say (in your own words)? 2) What is the mass of an object with an acceleration of 42 m/second/second and a force of 7N? (Check your units)

Chemistry Warm Up 9/27 Write the question What was the most dense substance from your lab yesterday? What was the least dense substance?

Physics Warm Up 10/1 1) What’s the formula for momentum? 2) Please do page 100 “Plug & Chug” #1-4

Chemistry Warm up 9/30 Please write the question & use a book. 1) What is the symbol for the following elements: a) calcium b) lead c)neon d) gold

Please copy table 4.3 on page 79 Memorize this table for your quiz on Wednesday, Oct. 2 nd !

Page Mass-inertia; momentum-inertia in motion. 2. a) truck b)moving skateboard 3) impact = force. Impulse= force x time 4)same force for longer time = greater impulse 5) Impulse-force x

Warm up 10/1 1) How many kilograms are in 45 g? 2) What element is represented by: A) C b) O c) Ne d) F e) Pb f) Au