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ASL Comets, Asteroids, and Meteors for Kids Teacherflix 10 Views • 2 years ago

Comets, asteroids, and meteors are all over the solar system. But did you know that each are quite different? You may be wondering "What is a comet?", "What is an asteroid made of?", or "Where does a meteor come from?" Well, sit tight because in this video we will answer all of your questions!

We first take a closer look at asteroids for kids. Asteroids are the largest of the space rocks, but may also
include metal substances. Most of them go around the Sun
between the orbits of Mars and Jupiter. The area of orbit is
called the Asteroid Belt, which includes an inner and an outer
region. The inner region is made up of asteroids that mostly
contain metal (Gold, Iron, Platinum, and Nickel). The outer region contains asteroids mostly made
up of rocks.

We then explain what a comet is. You can think of a comet
as a large snowball filled with or covered by dust, metal, and debris. They have an icy core, covered by a
layer of black dust. The center is mainly composed of water and gases, frozen and mixed together with bits
of rock and metal. A comet in the outer parts of the Solar System is too small to be seen from Earth. We then talk about the difference between short and long period comets.

Lastly, we explore Meteors, meteoroids, and meteorites. Meteors are sometimes called falling or shooting stars, and they begin
as meteoroids traveling through the Earth’s atmosphere. They are not
stars. They are small pieces of rock or metal originating from a comet or
asteroid. They form from colliding asteroids of debris from comets. A meteorite is a meteoroid that does not burn
up in the Earth’s atmosphere, but instead, falls to
the Earth’s surface.

Video Chapters:
0:00 Introduction to the "3 space rocks"
0:57 Asteroids
1:45 Ceres and Other "Dwarf Planets"
3:46 Comets
4:58 2 Types of Comets [Short Period and Long Period]
5:55 Meteors
6:09 Meteoroids
7:00 Meteorite

We hope you enjoyed this video and had fun learning about Asteroids, Comets, and Meteors. If you'd like even more resources on this topic we invite you to download our free lesson plan that is complete with more activities, worksheets and more all about how comets, meteor, and asteroids. You can download that lesson here: https://learnbright.org/lesson....s/science/asteroids-

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#ASL
#Comets
#Asteroids
#Meteors

Graphing piecewise function | Functions and their graphs | Algebra II | Khan Academy Teacherflix 6 Views • 2 years ago

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/algebra/x2f8bb115

Graphing piecewise function

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra2/functions_and_graphs/piecewise-functions-tutorial/e/piecewise-graphs-linear?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Watch the next lesson: https://www.khanacademy.org/math/algebra2/functions_and_graphs/piecewise-functions-tutorial/v/matching-expressions-to-define-intervals-of-functions-example?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Missed the previous lesson?
https://www.khanacademy.org/math/algebra2/functions_and_graphs/piecewise-functions-tutorial/v/piecewise-function-example?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. We'll again touch on systems of equations, inequalities, and functions...but we'll also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Don't let these big words intimidate you. We're on this journey with you!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

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