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Lessons in other subjects

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18
U.S. History
  • Other...

U.S. History

The history of the United States is what happened in the past in the United States, a country in North America.

  • Theory
  • Elementary
  • English
Eugeniia Klimutina
Eugeniia Klimutina
0
17
Telling the Time: What time is it?
  • English

Telling the Time: What time is it?

This lesson helps learners understand how to ask for and tell the time in English. Students will learn key expressions such as o’clock, half past, quarter past/to, and how to use a.m. and p.m. They will also practice common questions and answers: “What time is it? – It’s …” and “When does it start? – At …”.

  • Image
  • Elementary
  • English
Oleg Ivanov
Oleg Ivanov
0
17
SER AND ESTAR
  • Spanish

SER AND ESTAR

In the previous two lessons you learned the fundamental difference between ser and estar – essence or condition (“what” something is v. “how” something is), as well as some common uses for the verb ser. This lesson examines the other Spanish verb for “to be”: estar.

  • Theory
  • Elementary
  • English
Eugeniia Klimutina
Eugeniia Klimutina
0
17
Super-human
  • English

Super-human

This lesson is about future super-human and Technologies which are people creating. In this class we will also discuss future tenses and see the differences between them.

  • Theory with exercises
  • Intermediate
  • English
Maria  Nekrasova
Maria Nekrasova
0
16
Traveling Waves: Crash Course Physics #17
  • Physics

Traveling Waves: Crash Course Physics #17

Waves are cool. The more we learn about waves, the more we learn about a lot of things in physics. Everything from earthquakes to music! Ropes can tell us a lot about how traveling waves work so, in this episode of Crash Course Physics, Shini uses ropes (and animated ropes) to talk about how waves carry energy and how different kinds of waves transmit energy differently.

  • Video
  • Beginner
  • English
Andrei Scherbak
Andrei Scherbak