P3.2.4 - Spacecraft and Satellites Flashcards Preview

SHHS - Science - P3.2 Turning Points in Physics - Year 9 > P3.2.4 - Spacecraft and Satellites > Flashcards

Flashcards in P3.2.4 - Spacecraft and Satellites Deck (12):
1

Which force must be overcome for a rocket to take off?

Gravity

2

Which force helps a rocket to overcome the force of gravity?

Upthrust

3

Which force keeps a satellite in orbit?

gravity

4

Describe how a satellite is launched into orbit?

It must be fired at the correct height.

It must be fired at the correct speed.

5

A satellite that stays in the same position on Earth all of the time is in which type of orbit?

geostationary orbit

6

Satellites that are in geostationary orbit are used for what?

Broadcasting television signals (SKY TV)

 

7

What does LEO stand for?

Low Earth Orbit

8

How do low earth orbit satellites orbit the earth?

They orbit the north and south poles

They orbit a small distance from the Earth.

9

Polar orbit satellits are useful for what?

Mapping (e.g. Google Maps)

10

Give an example of a satellite that is in low earth orbit.

The International Space Station (ISS)

11

What is a satellite?

Any object that orbits a planet

12

What is the Earths 'natural satellite' also known as?

The Moon