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⭐ Lessons for April 14, 2020 ⭐

PE 🏃‍♀️

Today, we’re going to work on our arms (and please ignore me hitting my head with the bag 😜):

https://youtu.be/_udRCXC8JKI

Math ➕✖➗➖

I know practice gets boring, but we still have to before we can move on:

Science 🔬

Solar System

We have been talking since the beginning of last week about planets that go around the Sun. These planets and the Sun together make up the Solar System. First, let’s review the planets (starting with the closest on to the Sun):

Those are not the only objects in our system though. Do you remember me calling some of the planets outer planets? There is an asteroid belt between Mars and Jupiter. Asteroids are big rocks in space. Have you noticed that planets on the two sides of the asteroid belt are very different from each other? The inner planets (Mercury, Venus, Earth and Mars) are terrestrial planets, meaning they have hard rock surfaces. The outer planets are much larger and they are made up of gases, making them gas giants.

There are other stars around us, but we don’t orbit them. The nearest one is Alpha Centauri.

Social Science 👩‍🎓

Tycho Brahe

He lived in Denmark between 1546 and 1601. He invented the telescope and built an observatory on island of Hven. He studied the stars and watched comets and supernova. Comets are objects travelling through space around a star. They have a hard core surrounded by dust. Supernova are exploding stars. Through his observations, Brahe discovered that objects outside the Solar System can change.

He was a strange scientist. He believed in astrology (that’s believing that how stars and planets move causes events in people’s lives). He was also not ok with Copernicus’ model of the Solar System, where all the planets went around the Sun. He believed that the Moon and the Sun went around the Earth, while other planets went around the Sun.

Trivia ❓

There are 4 components of human blood: plasma, red blood cells, white blood cells and platelets.

Word of the day ❗

Replenish – fill something that had been previously emptied.

Activity 📺

I think it would be a nice idea to learn more about how telescopes work:

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