Forces and motion. Physics and Chemistry. 2º E.S.O

Hello everyone

Here is the assignment you need to complete for the Physics lesson. Remember the deadlines are:

• 2º B: 11th February
• 2º A&C: 12th February

You have to write both the questions and the answers in a papersheet and give it to me at the end of the lesson

You can watch the video if you click in this link:

The questions are:

Vocabulary
What is the meaning of…

• Quantitative?
• Freeway?
• Milky way?
• Speed?
• Motion?
• Traffic cop?
• Reference frame?
• Surroundings?
• Toss?

1. Can we say that a car in the freeway moves at 230 km/h? Why?
2. Which speed the Earth moves around the Sun?
3. What is an inertial reference frame? Do you know another way to call it?
4. Why do we say movement is relative?
5. What kind of path the ball makes according to an observer outside of the train?
6. Explain using your own words the experiment that Galileo Galilei did
7. Say whether the next sentence is true or false: velocity keeps the same, it does not matter if we change the reference frame
8. Why Galileo had problems with the Church?