The Moon
Does the moon have its own light? Explain.
No. We are able to see the moon because it reflects light from the sun
How old is the sun
4.6 billion years old
The earth revolves around ___________
the sun
How many seasons are caused by the Earth's tilt and its orbit around the sun?
4
What is the Earth's movement around the sun called?
Orbit
What natural things does the moon do to the earth.
ocean tides, gravatiy, solar eclipes and lunar.
How long does it take for the Earth to make a complete rotation around the sun?
Just over one year or just over 365 days
Day and night is caused by the _____________ of Earth.
rotation
If it is summer in the northern hemisphere, what season is it in the southern hemisphere?
winter
The spinning of an object on its axis is called______
rotation
How long does it take for the moon to orbit around the Earth
27 days
Earth orbits the sun once a _____ and rotates on its axis once a ______
year, day
When the Earth spins on its axis.
What is a rotation?
What is the most important cause of Earth's seasons
Earth's tilt
Why do we have leap years?
Because it takes the Earth just over 1 year to orbit the sun so we have to add a day every 4 years to keep the calendar correct with seasons
Name all of the moons phases in order
New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent.
Earth is the ____________ planet from the sun?
Third
The amount of time the Earth takes to rotate on its is axis determines what?
The length of day and night
What causes seasonal changes?
The Earth's tilt on its axis causes some parts of Earth to be closer to the Sun during different times of the year.
Why are days longer in the summer and shorter in the winter?
because Earth spins on its axis and moves around the Sun
Why does the position of the moon change in the sky?
Because of the rotation of Earth on its axis
Why is the sun important to the earth
The length of a day is determined by the time it takes for about one of these.
Rotation of Earth
What would happen to seasons if the Earth no longer tilted on its axis?
There would be no more seasons.
What is a solstioc
the longest or shortest day of the year in one of Earth's hemispheres, occurring when a hemisphere is tilted most directly toward or away from the Sun