Download Solar system power point

SOLAR SYSTEM
2016-17
ANSWER QUESTIONS AT YOUR
TABLE
1. Why do the planets revolve around the Sun, and not the other way
around?
2. Why do moons revolve around their planets?
ANSWER QUESTIONS AT YOUR
TABLE
3. If the Sun has a strong enough gravitational pull to keep planets in orbit
around them, why do the planets not get pulled into the Sun?
EXIT SLIP
1. Which of the following would have the greatest gravitational pull?
a.) a car
b.) the moon
c.) Jupiter
2. Why?
BELL RINGER
• Emmy’s looked out her window and saw the Moon
and stars. She wondered how far away they were.
Choose the answer that best describes where you
think the Moon and stars are that Emmy sees.
• A. There are no stars between the Earth and the
Moon
• B. One star is between the Earth and the Moon
• C. A few stars are between the Earth and the Moon
• D. There are many stars between the Earth and the
Moon.
• E. Several stars are between the Moon and the edge
of our solar system.
•How many Earth’s can you fit into the
volume of the sun?
THE SUN
• Rotates on an axis
• Source of heat and light for our solar system
• Medium size star
• Sphere of burning gas
• A million times bigger than the earth
• No real surface
• Temperature on the surface is 5,600 degrees c
EARTH
• 3rd planet from the sun
• 4 times larger than the moon
• Rotates every 24 hours on an axis
• Has water and atmosphere
• Life: plants & living things
• Only planet to support life
• Sphere of rock
MOON
• Sphere of rock
• Rotates on an axis
• NO atmosphere
• NO life
• surface scarred and cratered
• Natural satellite
• 29 days to revolve around the Earth
• Orbits the Earth
THE 8 PLANETS
M y
V ery
E ducate
Mercury
M other
J ust
S erved
Mars
U s
Uranus
N achos
Neptune
d
Venus
Earth
Jupiter
Saturn
ROTATION
• One Earth day is equal to 24 hours
• It takes 24 hours for Earth to spin on its axis
• Spins on an imaginary axis
REVOLUTION
• One Earth year is equal to 365 days
• It takes 365 days for Earth to go around the sun.
• Our solar system is one of millions maybe billions of
systems.
• In the center is a medium sized star called the sun
with 8 planets.
• Each planet orbits the sun.