Past Paper 2

Question 1

A student places the objective lens near a screen to form a sharp image of a distant object.

The sharp image formed is ……… And …..

Answer 1

Smaller than the object and upside down

Question 2

State how you can tell the image is real

Answer 2

Because it can be captured on a screen

Question 3

State how the invention of the telescope improved the way scientists observed the Universe

Answer 3

The image was larger compared with the naked eye

Question 4

Describe the difference between the Geocentric and Heliocentric model

Answer 4

Heliocentric: Sun at the centre of the solar system
Geocentric: Earth is at the centre of the solar system

Question 5

Scientists search for signs of life on the planet Mars.
Describe one method they use to search for signs of life on the planet Mars.

Answer 5

They use a rover and lander to collect samples from the surface to search for signs of life on the planet
Telescopes which have a camera which takes photos

Question 6

Many telescopes are used on the Earth but the Kepler space telescope orbits above the Earth’s atmosphere.
Explain why telescopes that search for planets are not on the Earth’s surface.

Answer 6

• Earth’s image is distorted

- Planets are very small as they are far away