When the Moon appears to be getting bigger each night, what is this called?
Waxing
What causes day and night on Earth?
Earths rotation
What force keeps planets moving around the Sun?
Gravity
What causes tides?
What happens during a lunar eclipse?
Earth blocks sunlight from reaching the Moon
Which season has the least daylight?
Winter
What is an equinox?
Equal daylight in both hemispheres
Which object has the biggest effect on tides?
The moon
What type of tides happen during a full or new moon?
Spring tides
What happens during a solar eclipse?
Moon blocks sunlight from reaching Earth
Which phase shows the entire Moon lit up?
Full Moon
About how long does it take for Earth to complete one revolution?
365 days (1 year)
Why doesn’t the Moon float away into space?
Earth's gravity keeps it in orbit
What type of tides happen during 1st and 3rd quarter moons?
Neap tides
What is the alignment during a lunar eclipse?
Sun → Earth → Moon
What phase shows exactly half of the Moon lit?
First quarter and third quarter
Why do we have seasons on Earth?
Earth’s tilt + revolution around the Sun
What shape is Earth's orbit?
Ellipse (oval)
Are spring tides the highest or lowest tides?
Highest
What is the alignment during a solar eclipse?
Sun → Moon → Earth
Name the moon phases in order
New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent
Which movement takes 24 hours: rotation or revolution?
Explain why planets don’t crash into the Sun even though gravity pulls them in.
They are moving forward while being pulled inward (orbiting motion)
Why do we get both high and low tides each day?
Earth rotates through the Moon’s gravitational pull
Name TWO things that can happen when Earth, Moon, and Sun line up.
Eclipse + spring tides (also full/new moon)