Vocabulary
What is the spinning of the Earth around its axis called?
Rotation
As the moon orbits around Earth, what side of the moon faces us?
We always see the same side of the moon
it rotates on its axis at the same speed it orbits Earth, which is why we only ever see one side.
What is the biggest star in our Solar System?
The sun!
Why does day turn to night on Earth?
Because Earth rotates from East to West
How has exploring space and conducting research been important to us?
It has brought us education, tourism and jobs
What is the imaginary line around which Earth rotates?
The Earths axis
How long does it take the moon to orbit the Earth?
Around 28 days
Can you name a constellation?
Big Dipper, Orions Belt
What is a clue that Earth is moving?
You see different stars during different times of the year
What is the geocentric model of the solar system?
Model with the earth at the centre
What is Earths orbit?
The path it follows around the sun
Why does the moon look like it lights up at night?
It reflects the light from the sun.
Why do we see different stars during different seasons?
Because Earth is facing a different part of the sky at night (it revolves around the sun)
How long does it take the Earth to rotate?
24 hours or 1 day
What spacecraft was the first to land a man on the moon?
Apollo 11
What is it called when an object has an orbital motion around anther object?
Revolution
What is a solar eclipse?
when the moon passes between the Earth and the sun- blocking sunlight from reaching Earth.
What is the name of the tool that scientists use to look at stars since they are far away?
Telescope
How long does it take the Earth to revolve?
365 days or 1 year or 365.25 days
What creates our seasons?
The Northern/ Southern hemispheres are either tilted towards or away from the sun
What is the amount of time it takes to rotate once around its axis known as?
Earths rotation
Why are there footprints from astronauts on the moon's surface that are still there?
There is no wind or water on the moon to wash them away
What are named patterns of stars known as?
Contellations
Explain how the Earth, moon and sun move throughout space
The sun stays at the center of our universe
The moon orbits the Earth
The Earth rotates on its axis and revolves around the sun
At what time of day is your shadow the shortest?
Why?
In the middle of the day because the sun is directly overhead