Lesson 9 - The History Of Space Travel Flashcards
(4 cards)
1
Q
What causes tides?
A
The moon’s gravitational force pulls on water.
2
Q
What causes a lunar eclipse?
A
When the Earth comes in between the Sun and the Moon
3
Q
What was the first thing to rocket production?
A
In the 10th centurt, the ancient Chinese propelled arrows filled with gunpowder
4
Q
How is the axis of the Earth tilted during the UK summer?
A
It is tilted towards the Sun