Accelerated Reading Time until 1:49

Physical Science April 20, 2017 Student Planner Place this in the proper place Vocab booklet and triad 5 make up work due and planner grading tomorrow. .

Smoking kills

Essential Question: Which planet has the most moons? Write your summary from Last Class’s notes on Last Class’s paper. Last class’s EQ was: Essential Question: Which planet has the most moons?

Summary: We had a standard opening. We worked on notes and watched short videos on Mars, Jupiter and Saturn

Astronomy Essential Question: Saturn’s rings are made of what? Topic/Objective: Name: Astronomy Class/Period: Date: April 20, 2017 Essential Question: Saturn’s rings are made of what?

Warm Up

Link Write the following in your warm up: Today’s warm up is the vocabulary test

Homework All triad 5 make up work, and vocab booklet due tomorrow. Planner grading tomorrow.

Today’s Work Vocabulary quiz Astronomy notes Videos Collect notebooks

Saturn - 2nd largest planet -Largest rings made of ice and particles -Gives off heat -Made of hydrogen and helium -Least dense-floats in water -Rotation- almost 11 hours -Revolution- about 30 years -33 moons (Planetary satellites)

Saturn – video link https://www.youtube.com/watch?v=MS9D9CzwPQU

Uranus (your-an-us) -Tipped on its side -Revolution- about 84 years -One pole is in darkness for half of a Uranus year -Thin rings -Rotation- about 17 hours -Made of hydrogen and methane gas -27 moons Video link https://www.youtube.com/watch?v=1hIwD17Crko

Neptune - Atmosphere is similar to Uranus -Gives off heat which creates winds -Warm gas rises and cool gas sinks which sets up the wind patterns -Narrow rings -Rotation- about 16 hours -Revolution- about 164 years 13 moons

Dwarf planets Pluto -Too small and the orbital path is different from the other planets -Revolution-248 years -Very cold Video link https://www.youtube.com/watch?v=FqX2YdnwtRc

Constellations I. What are constellations A. Manmade designs using stars as coordinates in the picture. 1. First catalogs of the stars date from 1830BC. 2. Modern names are from records written by Ptolemy about 100 AD.

3. Used in astrology (predicting the future), mythology. 4. Southern hemisphere has different constellations which were identified in the 1500-1600AD.

Constellations II. Modern use of constellations A. IAU (International Astronomical Union) divided the celestial sphere into 88 official constellations. 1. Allows area mapping of the sky 2. Continues use of Greek-Roman names Video link https://www.youtube.com/watch?v=QXeEAQtC75g