Physics study guide - Topic 2

Question 1

What are the basic requirements for life?

Answer 1

The basic requirements for life are water, oxygen, energy coming from the sun and an atmosphere. At least for life as we now know it.

Question 2

How are scientists searching for life in space?

Answer 2

They use telescopes, space probes, spacecrafts and space stations (the space crafts/stations can’t go very far into space as they contain humans).

Question 3

What kind of data can space probes collect?

Answer 3

hey can take photos, collect data about the atmosphere and take readings and measure the gravitational field of a celestial body.

Question 4

Give an example of a discovery that we have made with a space probe.

Answer 4

Scientists found that one of Saturn’s moons (Excalibus) had liquid water, not just frozen water.

Question 5

What are the three different types of space probes?

Answer 5

The three different types are landers, orbiters and interplanetary such as the voyager 1 and 2.