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Year 5 - Earth's Place in Space

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Ellen Grochowski

on 28 June 2016

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Transcript of Year 5 - Earth's Place in Space

Earth's Place in Space
Year 5 Earth and Space Sciences
Lesson 1
Eratosthenes' epiphany
Discuss a historical debate about whether the Earth is flat
Identify the way scientists use claims and evidence to test their theories
TWLH cHART
wHAT DO WE
THINK
WE KNOW
What we
want
to learn?
What we
learnt
?
How
we know?
Claim 1 -The Moon and Sun both circle the earth
Claim 2 - The Moon circles the Earth while the Sun circles the moon
Claim 3 - The Moon circles the Earth while the Earth circles the Sun
(erra-tos-the-neez)
Lesson 2
Centered on the Sun
1. Review the three different claims about the relative movement of the Earth, Sun and Moon
Review ‘But it looks flat’ ...

Eratosthenes used diagrams and models to explain his claim. It is easier to understand models when they are shown physically rather than just described.
Collaborative Learning Teams
Team skills:
Manager
Collects and returns all the materials the team needs
Speaker
Asks the teacher and other team speakers for help
Director
Makes sure that the team understands the team investigation and completes each step
Move into your teams quickly and quietly
Speak softly
Stay with your team
Take turns
Perform your role
Investigation
In groups you will build an
orrery

(a 3D model that moves)
.
You must show how the Sun, Moon and Earth move around each other.
Your model must have:
labels
moving parts
-
Explain
the time each space object in their orrery takes to complete one
orbit
(one circle around another space object) or
rotation
(one turn or spin around its own axis).
Use common timescales, such as minutes, hours, days, months or years.
Also...
Formation of our Solar System
Lesson 3
What is the Big Bang Theory?
Static Electricity and Gravity – The Universe’s Glue
So far, our best explanation about the origin of the Universe is “The Big Bang Theory”. This suggests
that a mighty explosion about 13 billion years ago sent hot dense particles (mostly hydrogen)
streaming outwards from a central point of singularity. Astronomers have measured that all celestial
objects appear to be streaming away from an original central position.
Both static electricity and gravity are forces. Forces cause other objects to move or change the direction of their movement. Both static electricity and gravity can also act at a distance unlike a push or a pull, which need contact. Static electricity acts over small distances while gravity can act over great distances.

Static electricity
– a minor weak force

Gravity
– the major force.
www.abc.net.au/dustechoes/dustEchoesFlash.htm
Static Electricity Investigation
Let's test out using static electricity...


If we rub a plastic comb on paper, what will happen?

If we rub a balloon on a persons head, what will happen?

If we rub a balloon on an aluminium can, what will happen?
Lesson 4
Gravity
Gravity is a force that attracts objects to each other.

The more massive an object is, the stronger is its gravitational force of attraction.

Gravity acts over great distances.

Gravity is the “glue that binds the Solar system together

As the clumps of nebula dust held together by static electricity increased in mass they would also have been attracted together by the much stronger force of gravity.

The spinning proto-planetary disc pulled larger pieces towards its centre creating the proto-Sun. This became very hot and exploded blowing away most of the surrounding disc.

The remaining pieces dispersed, crashed and reassembled to eventually form the planets of the solar system and were held in place by the Sun’s gravitational pull.
The formation of the solar system
Could static electricity bind together small objects of different kinds of material?

Could static electricity bind together the planets and the Sun in our solar system?

The first step towards building the solar system had been taken when static electricity bound together the fine dust of the proto-planetary disc and created more massive clumps.
Today we will:
- Recap static electricity
- Discuss gravity
Lesson 5
The Solar System
Today we will:
- Learn about the planets in our solar system.
- Create a mnemonic to remember the planets.
In your books..
Write the names of the planets in a table
Planet
Features
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Write your own Mnemonic
In your books attempt to write your own mnemonic to help you remember the order of the planets.
Lesson 6
Today we will:
- Learn about the rocky and gas planets
- Complete an investigation
- Complete a kahoot
Lesson 7
Twinkle, twinkle
Today we will:
- Learn about why stars twinkle
- Complete a star investigation
Star Investigation
You will need:
- A glass jar
- Tin foil
- A torch
- A dark room
Test 1
1. Push small holes into the tin foil
2. Place it around the jar
3. Shine the torch through the holes
4. Observe
Test 2
1. Push small holes into the tin foil
2. Place it around the jar
3. Put water into the jar
4. Shine the torch through the holes
5. Observe
DID THE COWS MOO SOFTLY?
Lesson 8
Circling the Sun
Today we will:
- Learn about how planets orbit the sun
- We will complete a circling sun investigation
- Complete TWLH chart
Full transcript