Vocab
What does ROTATE mean?
To spin in place
How long does it take the Earth to rotate 1 time?
1 day/24 hours
How many seasons are there?
4
What does the Moon revolve around?
The Earth
The two main categories of energy are potential energy and _____________________.
Kinetic energy
What does REVOLVE mean?
One object orbits/moves around another object
How long does it take the Earth to revolve 1 time.
365.2 days/1 year
When it's summer in the northern hemisphere, are we are tilted toward the sun or away from the sun?
Toward the sun
What phase is it when you can only see a sliver/small part of the moon?
Crescent Moon
The force that holds objects to the ground.
Gravity
What are the top half and the bottom half of the Earth called?
Northern Hemisphere and Southern Hemisphere
The longest day of the year is called the ____________ _____________.
Summer Solstice
When we are tilted toward the sun, what season is happening in the southern hemisphere?
Winter
What phase is it when you can't see the moon at all?
New Moon
How fast something is moving is called it's _________.
Speed (or velocity)
How much is the Earth tilted?
23.5 degrees
The shortest day of the year is called the ____________ ____________.
Winter Solstice
These two things cause seasons on earth: ____________ and ____________.
TILT and REVOLUTION
What phase it is when you can see more than a quarter, but less than a full moon?
Gibbous
Newton's 3rd Law Says __ _______ _________ ____ __ __ __________ ___ ______________ _________.
for every action there is an equal and opposite reaction
Every season is _________ months long.
3
There are two days when day and night are equal. They are called the _________ _________ and the _________ __________.
Spring Equinox, Autumn/Fall Equinox
In which season are days getting longer?
Spring
How long does it take to cycle through every moon phase?
28 days/about 1 month
The number of waves per second is called _____________.
Frequency