Transcript lecture

Gravity and the
Solar System
What is gravity?
The force that attracts one
object to another.
Science, Please!
What is gravity?
Everything that has mass has
gravity.
The Earth is
pulling
everything
towards its
center.
What is gravity?
This means everything in the
universe has gravity.
Gravity keeps the Solar System
together.
No gravity means no Solar
System.
What is gravity?
Why can the Solar System
exist?
Why doesn’t the Moon fall
down?
What is gravity?
The smaller the object, the less
the mass.
The less the mass the object
has, the weaker the gravity.
What is gravity?
The larger the object, the more
the mass.
The more mass the object has,
the stronger the gravity.
What is gravity?
The less massive the
object, the less you would
weigh.
The more massive the
object, the more you would
weigh.
What is gravity?
If you weighed 100 pounds
on Earth, you would weigh
240 pounds on Jupiter.
(100 x 2.4)
What is gravity?
If you weighed 100 pounds
on Earth, you would weigh
16 pounds on the Moon.
(100 x .16)
What is gravity?
The closer to the Sun, the
faster the object travels.
The farther from the Sun,
the slower the object
travels.
What is gravity?
Mercury, the planet closest to
the Sun, takes 88 Earth days to
revolve once around the Sun.
Neptune, the planet farthest
from the Sun, takes 165 years to
revolve once around the Sun.
The Presentation Ends
Here.