Presentation on theme: "8 th grade Physical Science Unit 1 Lesson 3. Class Connect Structure All Science class connect sessions will be at 3PM EST (2PM CST) Weekly Overview."— Presentation transcript:
Class Connect Structure All Science class connect sessions will be at 3PM EST (2PM CST) Weekly Overview Lesson on Monday or Tuesday Targeted small group sessions for the remainder of the week If you do not pass your assessment for a lesson you will be required to attend a small group session.
Science Journal Each student needs to have a Science Journal I recommend having a hard copy instead of a virtual journal. You will need to able to take you journals away from your computer to make observations All entries must be dated All entries should also have a topic line Any type of note book will work, but you need about 100 pages.
Lesson 3 and 4 Measurement and International System (Metric System) Measuring different things requires different tools Volume - liters Mass - grams Length - meters Temperature - Celsius or kelvin
SI - International System of Units 1. Based on multiples of 10 2. Common metric prefixes : a. mega- (M) 1 000 000 x b. kilo- (k)1 000 x c. hecto- (h) 100 x d. deka- (da) 10 x e. deci- (d)0.1 x(1/10) f. centi- (c) 0.01 x (1/100) g. milli- (m) 0.001 x (1/1000) h. micro- (u) 0.000 000 001 x
Length American standard 1 mile = 1760 yards = (5280 feet) 1 yard = 3 feet 1 foot = 12 inches 1 mil = 1 / 1,000 inch Metric standard 1 kilometer = 1000 meters 1 meter = 10 decimeters 1 decimeter = 10 centimeters ( 1 meter = 100 centimeters) 1 centimeter = 10 millimeters Conversion: 1 inch is defined to be exactly 2.54 cm in July, 1959. (before this, the UK inch measures 2.53998 cm, while the US inch was 2.540005 cm)