Planets
How many planets are there?
8
What is keeping us on the ground?
Gravity
Where does energy come from?
The sun
Who created night and day? How do we know?
God - it's in the bible
What are the 2 ways the Earth moves?
Rotation and revolution
Name one gas planet
Jupiter, Saturn, Uranus, Neptune
What is the definition of gravity?
Gravity is the force that pulls all objects towards the centre of the Earth
What is one way the sun creates energy?
Radiates light and heat, creates solar energy
On what day did God create day and night?
The first day
What would happen if the Earth didn't move in it's orbit?
It would fly away
Name all the planets in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Could you jump higher on Mercury or Jupiter? Why?
Mercury because it is smaller
Why do plants, animals and humans need the sun?
Plants need sunlight to grow and they produce oxygen for humans, animals eat plants and the earth would freeze without the sun.
When Earth is facing towards the sun what happens? What about when the Earth is facing away?
Day when it's facing towards, night when it's facing away
How long does a rotation take and how long does a revolution take? Demonstrate both
Rotation = 24 hours, revolution = 365 days
What separates the first 4 planets from the other planets?
The asteroid belt
Is gravity as strong on the moon as it is on Earth? Why?
No because the Earth is bigger than the moon, meaning it has more gravitational pull
How do solar panels work?
Capture sun and convert it into reusable energy
What is rotation? What is revolution?
Rotation is the Earth itself spinning, revolution is the Earth moving around the sun in an orbit
In what direction does the sun rise? In what direction does it set?
The sun rises in the east and sets in the west
What are the two things that make up asteroids?
What will fall to the ground quicker, a bowling ball or a ping pong ball? Why?
A bowling ball because it has a stronger gravitational force due to it's weight, pushing it to the ground quicker
How long does it take for energy that comes from the sun to reach the earth?
8 minutes
How many degrees is the Earth tilted on it's axis?
23.4o
What is the position of the Earth if Australia is in summer?
The Southern Hemisphere is tilted towards the sun, so we receive more sunlight and have summer