The First Clock
What were the first clocks known as?
Sundials/Shadow Clocks
Which one is moving: sun or earth?
The Earth
True or False: The sun's path changes with the seasons.
True
True or False: The constellations change each season.
True
Does the moon glow? If not, what is it?
Where is the sun in the morning?
The east
What does Earth spin around?
An imaginary line/axis
What season is the sun the highest in the sky?
Summer
Which star stays in the sky all year round?
The North Star
How long is a full cycle of the moon?
Where is the sun at noon?
Middle of the sky
How long is one complete spin of the Earth?
24 hours
When is the sun lowest in the sky?
Winter
What two constellations can we see all year round?
The Little Dipper and Big Dipper
What moon phase does each new cycle start with?
New Moon
Where is the sun in the evening?
The west
What is the rate that the Earth spins? In miles per hour
1,000 miles per hour
Are shadows in the summer at midday short or long?
Short
The north star is directly above the North pole axis of earth. So, the north star seems to stay put while the rest of the stars make star trails around it.
What is it called when the moon can only be partially seen?
A crescent moon
Describe how we can use a sundial to tell time?
Sundials help tell time by using the changing direction of the shadows that are caused by the Sun's movement across the sky.
How many miles does it take the Earth in a day to spin to make a complete spin?
24,000
True or False: Shadows during the winter are short.
False they are long
Describe what happens that causes the constellations to change each season?
The earth orbits the sun.
What causes a new moon?
The moon is positioned between the earth and sun and the shadow side is facing Earth.