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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?
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Chemistry Warm Up 9/3 (Write the question). Use a book! • Chemistry after school tutoring is in • Today! • 1. What are theexponentsfor: • A) Kilo- b) Milli- • C) Centi- d) Deci- • 2. HowmanymL are in.03 L? • 3. Convert .046 L tocentiliters. • 4. Whatis 534.1 K equalshowmany 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 876.1 K to ° C and F ° . • Convert -34.6 ° C to K and F°. • Convert 658 K to C° and F°. • Memorize these equations for your test tomorrow.
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. • Humans belong to what sphere? • Plants belong to what sphere? • Mountains belong to what sphere? • What is the difference between the carbon cycle and water cycle? • What are plate tectonics? • Why are plate tectonics important?
Physics Warm-Up 9/5 (write the question) • 1. What is the average speed of a cheetah running 525m after 5 minutes? • What’s the difference between a vector and scalar? • What is Inertia?
Physics Warm-Up 9/9 • Please take out both worksheets from Friday, and leave them on your desks. • In your own words, explain Newton’s 1st law of motion.
Chemistry Warm-Up 9/10 (write the question) • 1. How many mL are in 55 Liters? • 2. How many Liters are in 740 mL? • 3. How many grams are in 45 kg? • 4. How many grams are in .67 kg? • Hint: 1 L = 1,000 mL • 1 kg = 1,000 g
Warm up Answers 9/9 • 1) 55,000 • 2) .74 • 3) 45,000 • 4) 670
Chemistry Sci. Notation Practice • 1) How many significant figures do each of the following have? • A) .000921 b) .0004367 .00098 • 2) Round to 3 significant figures and express in scientific notation: • A) .0005832 B) .0052312 C) .0976 D) .00426 • 3) What do the prefixes milli-, kilo-, centi-, and deci-stand for? • 4) 26 kg is how many grams?
Pg. 52 #80-88 • 80) g/cm^3 • 81) lead • 82)1
Earth Science Warm-Up 9/9 • Write the question: • What is the difference between a convergent and a divergent boundary?
Chemistry Warm-Up • 1. Convert 299 K to Celsius. • 2. How many
Physics Warm Up 9/10 • 1) Calculate the weight of a football player who weigh 139 kg in Newtons. • 2) Calculate in Newtons the weight of a cheerleader who 20 kg? • 3) Calculate the mass of an object with a force a of 15 N and an acceleration of 5 m/s^2 (don’t’ worry about units). • Hint 1 kg = 9.8 N • F =mass x acceleration
Homework Physics pg 56 & 57 • 1. Natural, straight up or down, violent • 2. He feared persecution • 3. Friction needs to slow a moving object. • 4. No change in speed horizontally • 5. To the same height if theres no friction • 6. both • 7. To overcome friction • 8.None • 9. yes. Yes. Yes. • 10. yes. No. • 11. Mass is independent of location, whereas weight depends on the local gravity. • 12. The elephant is harder to stop; more inertia.7
Warm Up 9/10 Answers • 1)