Groups of organs with specific structures and functions work together as systems, which interact with other systems in the body. The development and uses of technology to maintain human health are based, in part, on the changing needs of society.
We did not have science class today as Grade 9 students were helping out with the Grade 10 personal projects. Students are encouraged to complete the ecosystems portion of the review package before class tomorrow.
Homework & Reminders:
Complete Sustainable Ecosystems Review
Tomorrow - Last day to order Ice Cream Sundaes & lunches for June
Grade 9 students received their space tests back today. They then began working through a review package that will prepare them for the final exam. The goal is to complete review work pertaining to Sustainable Ecosystems. Any incomplete work should be done for homework.
Homework & Reminders:
Complete Sustainable Ecosystems Review
May 20 - Grade 10 Personal Projects
Thursday, May 21 - Last day
to order Ice Cream Sundaes & lunches for June
We reviewed the life cycle of stars in class today. This included developing an understanding of stellar nebulas, protostars, nuclear fusion, red giants, planetary nebulas, white dwarf, black dwarf, red supergiants, neutron star, and black holes.
Today students learned about the lunar cycle, eclipses, tides, and constellations. The following are clips we watched in class to help better understand the work.
All About solar eclipses:
All about lunar eclipses:
Watch the following clip to help you answer question 9:
We covered a lot of concepts in Grade 9 science today, such as dwarf planets, asteroids, meteoroids, comets, geocentric vs heliocentric views, earth's tilt, and precession.
The following video is for students who are interested in knowing more about the sun.
This video explains why Polaris has not always been the pole star.
We began learning about the universe in Grade 9 Science. We covered concepts such as astronomy, celestial bodies, universe, stars, sun, planets, and moons. We looked at the structure of our Sun as well as its effects on the earth.
Homework & Reminders:
Complete odd questions on p. 308 and even questions on p. 312