EARTH'S ROTATION AND
REVOLUTION:
Independent Study
Your Assignment
1. Make sure you have answered “Why do we have day
and night?” and “Why do we have seasons?” under
WHAT I THINK.
2. By the end of this PowerPoint presentation, you should
have the following organizers filled out:
a. Rotation Foldable (left side)-You will be
called out to do the “Try This”.
b. Revolution Foldable-BOTH sides
c. Rotation vs. Revolution venn
3. If you are unable to find all the needed info in this
presentation, you can access the internet to look for
information!
4. If you finish all work before time is up, you can fill out
the “What It?” foldable, both sides. Write on the TOP of
Earth’s Rotation
• Rotation is the
spinning of the Earth
on its axis.
• The time for one
rotation is 24 hours.
• The speed of rotation
24,855 miles/24 hr
or 1,038 miles/hr
• The Earth tilts at 23
degrees.
Click image to view Earth’s rotation.
Earth’s Revolution
• A revolution technically means going
around in an orbital path.
• A revolution occurs as the earth moves
around the sun.
• Time for one revolution = 365 1/4 days
= 8,766 hours.
• The speed of earth’s revolution is
about 18 miles per second.
Earth’s Revolution
Earth’s Orbit
• The orbital path an object takes as it revolves
around another object.
Around and Around We Go
• Every second, that you sit in
this classroom, the Earth's
orbital motion carries you
about 18 miles through
space.
Quiz Time!!!!!
• Make sure ALL your foldables are
filled out before you take the quiz!!!
• Get out a sheet of BLANK notebook
paper.
• Write your name and your
partner’s name on the paper.
• Number your paper from 1-8.
• Answer each question. Your answer
will either be Rotation or
Revolution.
• Turn in this paper by the end of
class, for a grade!!!
1. The Earth spinning on its axis.
Rotation
Revolution
2. Going around a larger body.
Rotation
Revolution
Revolution
3. 24 hours.
Rotation
Revolution
4. Causes the Earth’s seasons.
Rotation
Revolution
5. Creates a year.
Rotation
Revolution
6. The moon going around Earth.
Rotation
Revolution
Identify the motion being shown in each of these
pictures. Each team must write their answers for each
figure on their notebook paper.
Figure #7
Rotation
Planet
Figure #8
Rotation
Revolution
Earth
Revolution