1. Planet Earth
S1 Science
Topic 4

2. Earth is in a galaxy called The Solar System.
We live on a planet called Earth which is at the centre of the Universe.
Earth is in a galaxy called The Solar System.
There are lots of other stars and planets in The Solar System.
Where do we live about?

3. S1 Science Planet Earth topic
Space
S1 Science
Planet Earth topic

4. Key Questions What is the difference between stars, planets and moons?
What is the difference between The Solar System, a galaxy and The Universe?

6. Stars
A self-luminous celestial body consisting of a mass of gas held together by its own gravity in which energy is generated by nuclear reactions.

7. Questions about our sun…
How far away from the Earth is it?
How big is it compared to Earth?
How hot is it?
Will it be there forever? …

9. Planet
A sphere of rock and/or gas which orbits a star.

10. Planets in The Solar System
Draw a cob-web.
The number of “points” that it has should be the same as the number of answers you make.
Which planets make up our solar system?

11. Learning outcomes Success criteria
Know what planets make up the solar system.
Name the eight planets in our solar system.
Understand what relationship these planets have to the sun and to each other.
List the order of the planets from the sun.
Explain why there are differences in the time it takes each planet to order the sun.

12. Moon
A sphere of rock and/or gas which orbits a planet.

13. Questions about our moon…
How big is it compared to Earth?
How far away from Earth is it?
In what year did man first land on it?
What was the space shuttle called that landed on it?
Who was the first man to step on it? …

14. Learning outcomes Success criteria
Understand the difference between stars, planets and moons.
Define the term “star”.
Name the star that we orbit.
Name our next closest star.
Define the term “planet”.
Define the term “moon”.
Understand the difference between The Solar System, a galaxy and The Universe.
Describe what makes up our solar system.
Describe the difference between a galaxy and The Universe.
Name our galaxy.
Name our next closest galaxy.

15. S1 Science Planet Earth topic
Where are we?
S1 Science
Planet Earth topic

16. Learning outcomes Success criteria
Understand the place of the Earth in the Universe in terms of how big the Universe is.
State how long it would take us to reach each of the following in a rocket as fast as we have ever built:
Neptune
Our next nearest star (after the sun)
State at what speed light travels in kilometres per hour.
State how long it would take us to reach each of the following travelling at the speed of light:
Explain what is meant by a “light year”.
State how many light years away:
Our nearest star is
Andromeda is 1 2 3 4 5

17. To get to Neptune at the speed of light 25 000 years
Distance to Andromeda
To get to Proxima Centauri by rocket
4.2 years
To get to Proxima Centauri at the speed of light
km/h
2.5 million light years
The speed of light
4.2 light years
To get to Neptune by rocket
4 hours
Distance to Proxima Centauri
The fastest rocket we have ever built
km/h

18. To get to Neptune at the speed of light 25 000 years
Distance to Andromeda
To get to Proxima Centauri by rocket
4.2 years
To get to Proxima Centauri at the speed of light
km/h
2.5 million light years
The speed of light
4.2 light years
To get to Neptune by rocket
4 hours
Distance to Proxima Centauri
The fastest rocket we have ever built
km/h