1. How big do you think our Solar System is compared to the Universe?

2. On the 5th of September 1977, NASA launched Voyager 1.
In August 2013, Voyager 1 left the Solar System.
It took 36 years, with Voyager 1 travelling at a speed of nearly miles in one hour.
On the 12th of September 2013 Voyager was 11.6 billion miles from the Earth.

3. Proxima Centauri (a star)
How far away?
How far are each of these objects from the Earth? Can you put them in order of distance, starting with the Earth at the centre?
Moon
Proxima Centauri (a star)
Andromeda (a galaxy)
Sun
Neptune

4. How far away? Moon = 384 000 km Sun = 150 000 000 km
How far are each of these objects from the Earth? Can you put them in order of distance, starting with the Earth at the centre?
Moon = km
Sun = km
Neptune = km
Proxima Centauri =4.0 x 1013 km (4.3 ly)
Andromeda = 2.5 x 1019 km (2.5 million ly)

5. Know some objects in the Solar System
Success Criteria
Today you will:
Know some objects in the Solar System
Understand the similarities and differences between the planets in the Solar System
Be able to explain why it is difficult to make scale models of the Solar System

6. What is in the Solar System?

7. What is in the Solar System?

8. What is in the Solar System?
How can we remember…? M – V – E – M – J – S – U – N

9. What is in the Solar System?

10. Know some objects in the Solar System
Success Criteria
Today you will:
Know some objects in the Solar System
Understand the similarities and differences between the planets in the Solar System
Be able to explain why it is difficult to make scale models of the Solar System

11. What are the planets like?
The planets can be divided into two groups:
Rocky inner planets
Gas giants
How do you think these planets might be similar and how might they be different?

12. What are the planets like?
Solar System Top Trumps
Round 1: Which has the BIGGEST DIAMETER?
Round 2: Which has the TEMPERATURE CLOSEST TO EARTH’S TEMPERATURE?
Round 3: Which has the HIGHEST ORBITAL SPEED?
Round 4: Which has the HIGHEST MASS?
Round 5: Which has the EARLIEST YEAR OF DISCOVERY?

13. Know some objects in the Solar System
Success Criteria
Today you will:
Know some objects in the Solar System
Understand the similarities and differences between the planets in the Solar System
Be able to explain why it is difficult to make scale models of the Solar System

14. Scale of the Solar System
Can you fit the whole Solar System onto one strip of paper?
Fold your strip of paper into three equal sections.
Write ‘Sun’ at the top, ‘Saturn’ at the first fold, ‘Uranus’ at the second fold, and ‘Neptune’ at the bottom.
Fold the top of the page (Sun) to the first fold (Saturn). Label the new fold ‘Jupiter’.
Fold the top of the page (Sun) and the new fold (Jupiter) into three equal sections.
Label the fold closest to the Sun as ‘Mars’.
Write the remaining planets equally spaced between the Sun and Mars. These planets are Mercury, Venus, and Earth.

15. Know some objects in the Solar System
Success Criteria
Today you will:
Know some objects in the Solar System
Understand the similarities and differences between the planets in the Solar System
Be able to explain why it is difficult to make scale models of the Solar System

16. Our Solar System
Our solar system has ______ planets and thousands of ___________, which are small lumps of rock found between _________ and Jupiter.
All the planets and asteroids _______ around the Sun. The Sun is a ______ so it produces its own _______. We can only see planets when they _________ light from the Sun.
Earth
eight
Mars
reflect
orbit
star
light
asteroids

17. One of Four

18. What is the closest planet to the Sun?
Jupiter
The Earth
Mercury
Saturn

19. What is the closest planet to the Sun?
Jupiter
The Earth
Mercury
Saturn

20. Which is the largest planet?
Jupiter
The Earth
Mercury
Saturn

21. Which is the largest planet?
Jupiter
The Earth
Mercury
Saturn

22. Which of the following planets is our next door neighbour?
The Moon
Mercury
Venus
Neptune

23. Which of the following planets is our next door neighbour?
The Moon
Mercury
Venus
Neptune

24. Put the following in order of size (smallest first): Galaxy Planet
Star
Universe
a b c d
b c a d
d c b a
c d b a

25. Put the following in order of size (smallest first): Galaxy Planet
Star
Universe
a b c d
b c a d
d c b a
c d b a

26. Identify the planet:
Earth
Mars
Pluto
Saturn

27. Identify the planet:
Earth
Mars
Pluto
Saturn

28. Identify the planet:
Pluto
Mercury
Uranus
Neptune

29. Identify the planet:
Pluto
Mercury
Uranus
Neptune

30. How long does it take the Earth to orbit the Sun?
1 month
1 day
3 months
I year

31. How long does it take the Earth to orbit the Sun?
1 month
1 day
3 months
1 year

32. How long does it take for the Earth to rotate once on it’s axis?
1 Hour
12 Hours
24 Hours
1 Year

33. How long does it take for the Earth to rotate once on it’s axis?
1 Hour
12 Hours
24 Hours
1 Year

34. Which planet has the greatest gravitational pull?
Jupiter
Mars
Earth
Pluto

35. Which planet has the greatest gravitational pull?
Jupiter
Mars
Earth
Pluto