Lesson 1
What holds the Earth, Moon and Sun in their place?
gravity
What does the earth revolve around?
Earth’s total revolution around the Sun
How many moons does earth have?
one
In what direction does the earth rotate?
Earth always rotates in the same direction, from west to east.
What are the 4 seasons of the year?
spring summer winter and fall
What does the earth depend on?
Earth depends on the Sun and Moon to work properly.
Earth's gravity holds what in place?
Earth’s gravity holds the Moon and
human-made satellites in place.
What revolves around the earth?
the Moon revolves around Earth,
What is a planet?
An object in
space that
orbits the
Sun and has
enough gravity
to make its
shape round
When are there more sunlight hours?
There are more sunlight hours in the summer.
Has life been fun on other planets?
Life has never been
found on other
planets.
How many days are in a year?
365 days
How does the moon rotate?
While the Moon revolves around the Earth, it also moves in a rotation on its axis.
How many degrees is the Earth's axis tilted ?
Earth’s axis is tilted at about 23 degrees.
What is the equator?
An imaginary
line splitting
up the Earth
into two equal
halves, north
and south
What 3 things need to interact to make a system?
Earth, Sun, and Moon
What is a satellite?
A natural or
human-made
object in space
that moves
around Earth
or another
planet
What is axis?
The imaginary
line through the
center of Earth
that joins the North
and South Poles
What do people do to their clocks every fall?
People set
their clocks back one
hour in the fall.
Where in our solar system is the sun located?
The Sun is the center
of our solar system.
All the planets in our
solar system revolve
around the Sun.
How does the earth move around the sun?
Earth moves in a revolution around the Sun, while the Moon does the same around Earth.
What is the suns diameter from earth?
The Sun’s diameter is 109 times greater than Earth’s!
How many sides of the moon can be seen from earth and why?
Only one side of the
Moon can be seen
from Earth. This is
because the Moon’s
rotation and revolution
around Earth take the
same time.
What is a time zone?
The areas on
Earth where
the time of day
is one or more
hours different
When was the longest date? How many hours of daylight was there?
In 2019, New York
experienced its longest day on June 21,
when it had
15 hours and 5 minutes of daytime.