Download Astronomy

Astronomy
Stars, Planets, Galaxies and More!
KW(L)
1. What is astronomy?
2. What do you already know
about astronomy? (At least 5
things)
3. What would you like to learn
about astronomy (At Least 3
questions you want answered)
KW(L)
Stars planets
telescope
gravity
sun
solar system
Space
black holes
space shuttle
Hubble
light years
orbit
asteroid
Pluto
I. California Standards
A.
True or False:
True or False:
holds the Earth
8.2.d
know
to identify
GravityStudents
is not acting
on how Gravity
orbit around the
astronauts the
orbiting
separately
two or moreinforces
that are
Sun.
Earth.
acting on a single static object, including
gravity, elastic forces due to tension or
Are we going toin matter, and friction.
compression
do any cool
B. 8.2.g
Students
know
the
role
of
gravity
in
Are
we
going
to
projects? –
forming
and
shapes
on anyof
field
Alondra
& maintaining thego
planets,
stars, and the solar system.
trips? - Evelyn
Evelyn
II. What Is Astronomy?
A. “Astronomy is the study of all the things in
space.” –Jimmy Gonzalez
B. People who study astronomy are called
astronomers.
Does
astronomy
affect our
lives?
Is astronomy
important? Why
or why not? –
Kimberly Lopez
III. Why study astronomy?
A. Understand our own planet
B. Understand the nature of matter and energy
1. Save the Earth by generating electricity without
polluting our environment.
2. Find or engineer particles that can be used to
make new materials for medicine, construction,
protection … or invisibility!
C. Search for life on other planets – understand
life on our own planet
D. Protect ourselves from dangers in space.
IV. Gravity
Does your cat
exert gravity?
How do you
know?
Does the air
around you exert
gravity? How do
you know?
A. Is a force
B. Pulls down
(toward ____________________)
C. Is responsible for the formation of stars and
What does gravity
planets (and their round shape!)
have to do with
Why is Earth
space? round?
- Fryeda
D. Holds
solar
systems and galaxies together
E. All matter exerts gravity.
Does your cell
phone exert
gravity? How do
you know?
IV. Gravity
So why don’t you
feel your cell
phone pulling on
you?
Hint
The mass of an average house cat:
4.5 kg
The mass of Earth:
6,000,000,000,000,000,000,000,000 kg
IV. Gravity
F. Since gravity is a property of matter, the
more matter an object has, the more gravity
it exerts.
Which exerts the least gravity: the sun, the
Earth or the moon? How do you know?
IV. Gravity
G. The strength of gravity varies depending on
Put your
order
1. Mass: The more mass an object
has,cards
the in
more
from the pair with the
gravity it exerts.
If gravity is acting on
astronauts,
do
Put your
cards inwhy
order
they
seem
be
from the
pair
withtothe
weightless?
most gravity
between
most gravity between
them to the ones with
the least.
2. Distance: Distance: The closer two objects are to
them to the ones with
each other, the greater the force of gravity is
the least.
between them.