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April 26, 2021 Yá’át’ééh! sha'áłchíní Welcome to science class! What if… My teacher gets kicked August 27, 2020 out of Zoom?

Then.. 1. If you get assigned as the host end the meeting. 2. Everyone immediately log out of Zoom. 3. Re-enter the class in 5 minutes. 4. If you do not get back into the meeting after continuous tries, class is cancelled. 5. Refer to agenda slides from website. In case Mrs. Yazzie loses internet connection: ● someone becomes host ● host monitors class until Mrs. Yazzie returns or four minutes have passed ● after 4 minutes host ends class ● everyone tries to re-enter class ● if Mrs. Yazzie doesn’t return after another 4 minutes, class is ended for the . Mon. Tues. Wed. Thurs. Fri. Sat.

1 Intervention 2 3 Science Project PTC 4-7PM Check-In

4 5 6 7 8 9 10 No school Intervention Science Project Check-In

11 12 13 14 15 16 17 Intervention Science Project Due 40 points

18 19 20 21 22 23 24 Intervention

25 26 27 28 29 30 Community Forum Last Intervention NO SCHOOL 5:30pm No School Sun. Mon. Tues. Wed. Thurs. Fri. Sat.

25 26 27 28 29 30 1 Community Forum Last Day of Intervention 5:30PM No School

2 3 4 5 6 7 8 Last Day of Science Zoom No School

9 10 11 12 13 14 15 Mother’s No Zoom No Zoom No Zoom Return school laptops Day NWEA- Math NWEA-RDG NWEA-LANG No School

16 17 18 19 20 21 22

ALL WORK DUE No School

23 24 25 26 27 28 29 30 31 Last Day of School 8th Grade Promotion Announcements ● April 28th-Community Forum ● Friday, April 30th-NO SCHOOL ● Thurs., May 27th- 8th Grade Promotion ● Thurs., May 27th - Last Day of School Agenda -Announcements and Calendar -Student Objective & Essential Question -Intro to Vocabulary -Dwarf -Kahoot! On a scale from 1-10 with 10 being excellent, how was your weekend? UPDATE! ● INGENUITY-2nd Flight Success! ● Perseverance makes oxygen! Student Objective Day 1, Monday: I can describe the relationship of objects in the . Essential Questions: 1 The Structure of the Solar System How are the inner planets different from the outer planets? 2 The Inner Planets How are the inner planets similar? 3 The Outer Planets How are the outer planets similar? 4 Dwarf Planets and Other Objects What is a dwarf ? What are the characteristics of and ? Big Ideas ● The distances between these bodies are huge. ● The solar system consists of the sun and a collection of objects, including planets, their , and asteroids that are held in orbit around the sun by its gravitational pull on them ● What natural phenomena do the motions of objects in the solar system produce? Weekly small, astronomical object rocky object that unit average made of gas, orbits the Sun in Vocabulary distance from dust, and ice that the asteroid belt moves around the between to the Sun in an and Sun—about 150 million km oval-shaped orbit

star object in meteor streak of small, round depression space made of light in Earth’s rocky particle that formed by the gases in which atmosphere made moves through impact of a nuclear fusion by a glowing space on the reactions occur meteoroid meteorite surface of a that emit meteoroid that planet, , or energy strikes a planet or other space object moon Comets Solar System

Asteroids Dwarf Planets The International Astronomical Union (IAU) defines a as an object that orbits a star. When a dwarf planet formed, there was enough and gravity for it to form a sphere. A dwarf planet has objects similar in mass orbiting nearby or crossing its orbital path. Astronomers classify , , , , and (how MAY ah) as dwarf planets. Pluto was once considered to be a planet, but now it has the status of a dwarf planet. All dwarf planets are smaller than Earth’s moon. The figure below locates Ceres, Pluto, and Eris. These dwarf planets each have a rocky core surrounded by a thick layer of ice.

It's primarily made up of icy objects, dwarf planets, dust, and comets. The total mass of all the material in the today is estimated to be no more than about 10 percent of the mass of Earth.

Physical Characteristics •5 - Recognized Dwarf Planets

–Ceres, Pluto, Haumea, Makemake, Eris •Classification Criteria

–Directly orbits the Sun (not a satellite)

–Relatively round in shape

–Has not cleared its orbital path •Term applied to Solar System objects in 2006 •Ceres : 2.77 AU • = 4.60 years Dwarf Planet Orbits •Pluto : 39.48 AU

•Orbital Period = 248.09 years •Haumea : 43.13 AU

•Orbital Period = 283.28 years •Makemake : 45.79 AU

•Orbital Period = 309.9 years •Eris : 67.67 AU

Orbital Period = 557 years 1 AU = Distance to Earth from the Sun •Ceres •Diameter : 590 miles Surface and Atmosphere • Range : -106 ˚C to -34 ˚C •Pluto •Diameter : 1,430 miles •Average Temperature : - 229 ˚C •Haumea •Diameter : 1,218 x 943 miles •Average Temperature : - 223 ˚C •Makemake •Diameter : 882 miles •Average Temperature : – 239 ˚C •Eris •Diameter : 1,445 miles •Average Temperature : -231 ˚C

•Ceres Dwarf Planet Discovery

•Giuseppe Piazzi (January 1, 1801) •Pluto

• (February 18, 1930) •Haumea

•Mike Brown et al (December 28, 2004) •Makemake

•Mike Brown, Chad Trujilo, David Rabinowitz (March 31, 2005) •Eris

•Mike Brown, Chad Trujilo, David Rabinowitz (January 5, 2005) Dwarf Planet Facts •394 possible dwarf planets in the Solar System

•All dwarf planets located in Kuiper Belt

•Except Ceres (Asteroid Belt)

•No dwarf planet has been visited by a space probe

•2015 : (Ceres) & (Pluto)

•Number of known natural satellites (moons)

•Ceres : 0 •Pluto : 5 (, , , , ) •Haumea : 2 (Hi’iaka, ) •Makemake : 0 •Eris : 1 () VIDEOS Assignment

Kahoot