Day, Night & Earth’s Rotation
What causes day and night on Earth?
Earth rotating on its axis
How long does it take Earth to orbit the Sun?
1 year
What causes the Moon to shine in the night sky?
It reflects sunlight
The Moon’s gravity affects:
Ocean tides
Which tool helps us model Earth’s orbit and tilt?
Earth-Sun model
Which direction does Earth rotate?
West to east
Why do we have different seasons on Earth?
Earth’s tilt on its axis
How many days does it take for the Moon to orbit Earth?
About 30 days
A solar eclipse happens when:
The Moon passes between the Earth and Sun
Which tool helps us see distant planets and stars?
Telescope
What does Earth’s rotation cause?
Day and night
When is the Northern Hemisphere tilted toward the Sun?
In summer
What is the Moon phase when the Moon looks completely lit up?
Full Moon
A lunar eclipse happens when:
The Earth’s shadow falls on the Moon
What is used to travel into space?
Rocket
What direction does the Sun appear to rise from each day?
East
Which season has the longest days?
Summer
What happens during a new Moon?
The Moon is between the Earth and Sun
What does Earth’s orbit around the Sun cause?
Seasons
What do satellites help us study?
Weather and space
Which season has the fewest daylight hours?
Winter
When the Northern Hemisphere has winter, the Southern Hemisphere has:
Summer
What do we call the repeating pattern of the Moon’s shape?
Moon phases
The shape of Earth’s orbit is best described as:
Elliptical
Space exploration helps scientists:
Learn more about Earth and other planets