(E) Topic 9 & 10

Question 1

What is different about the moon’s internal divisions than with the Earths?

Answer 1

Crust
The crust is thick (50-60km). Earths crust ranges from 0-70km.

Mantle
Mantle takes up most of the moon’s volume whereas on Earth it is less.

Outer & Inner core
The core is extremely small (takes up only 25% of vol, on Earth it takes up 50%)

Question 2

What were some of the objectives of the Apollo missions?

Answer 2

• Collection of lunar soil and rocks for analysis and return to Earth
• Deployment of scientific experiments on the lunar surface (Retro-reflectors, passive seismometers etc)

Question 3

What is Earths escape velocity?

Answer 3

7 miles per sec

Question 4

What happens to a rocket if it doesn’t reach Earths escape velocity?

Answer 4

If it fails to reach this speed the rocket will stay well within Earth’s gravity and probably crash

Question 5

What piece of technology can meet the energy requirements which are needed to break Earth’s escape velocity?

Answer 5

Rockets

Question 6

What is this diagram called?

Answer 6

Butterfly diagram