Light
What is light?
Visible radiation
What causes day and night?
What is Earth's rotation on its axis?
The moon is illuminated because it does this.
What is reflects the Sun?
What is an orbit?
The Sun provides both of these.
What is light and heat?
How fast does light travel?
What is 300 000 km/s?
Earth rotates in what direction?
What is West to East?
What is a full moon?
An invisible line through Earth's poles.
What is an axis?
At this time of day, the Sun reaches its highest point in the sky.
What is noon?
How does light travel?
What is in a straight line?
Earth is tilted at this many degrees.
What is 23°?
A lunar eclipse can be these two types.
What is total or partial?
Earth spinning on itself.
What is rotation?
An imaginary line that circles the Earth halfway between its poles.
What is the Equator?
What happens when light hits an object?
Some light is reflected and some light is absorbed.
The cause of seasons.
What is Earth's tilt and revolution around the Sun?
Phases of the Moon describe these parts.
What are the illuminated parts of the Moon?
Earth's movement around the Sun.
What is revolution?
A time of year marking the start of summer or winter.
What is a solstice?
White light is made up of this.
What are all the colours of the rainbow?
What takes 365.25 days?
What is one Earth revolution around the Sun?
Certain properties of light are responsible for these astronomical phenomena.
What are lunar eclipses and Moon phases?
A time when day and night are equal length.
What is an equinox?
Name an artifical source of light.
Various possible answers.