The document discusses the universe and our solar system. It describes the universe as a vast expanse containing stars, planets, moons, dust and gases. It notes that the Earth is very small compared to the universe. It then discusses the components of our solar system, including the sun, eight planets, and moon. The sun is at the center of our solar system and the earth is the only known planet that supports life.

2.  The Universe
The Earth in the universe
The stars
The Sun
The Solar System
The planets
The Moon

3. Picture of the universe
It is a vast expanse of space.
It contains various heavenly bodies like
stars, planets and moons. It also
contains dust, gases and pieces of rock.

4. Picture of the universe
Where is our Earth here?
Can you imagine the size of our earth?
The Earth is like a grain of salt in this
vast universe.

5. What do you see in the night sky?

6.  The Moon
 The Stars
 The Planets

7. 1. The twinkling lights are
stars.
2. It gives out heat and light.
3. There are million and
millions of stars.
4. These are very far away
from us so they look so
small.
STARS

8. Observe this picture of the night sky carefully .

9. Some groups of stars
appear to make
patterns in the sky.
These groups of stars
are called
constellations.
These are named after creatures and
persons from myths or legends.
Ex. Leo, Ursa Major (The great bear- Saptarishi)
 Stick the pictures of well known constellations
in your scrap book.

11. The sun
 The Sun is a star . It is a
huge
ball of fire.
 It is made up of very hot
gases.
 The Sun is the star closest to
the Earth.
 The Earth gets light and heat
from the Sun.
 It has eight planets circling
it.
 The Sun and the planets together forms
the Solar System.
 The Sun is at the center of the Solar System.

12. The solar system

13. How to remember the sequence of
planets in the Solar System?
My very energetic mother just served us noodles
M mercury
V venus
e earth
M mars
J Jupiter
S saturn
U uranus
N neptune

14. The moon • The moon is the brightest
object in the sky at night.
• It is a ball of rock that
travels around the Earth.
• It has no light of its own
and reflects the light of
the Sun.
• It is much smaller than
the Sun.

15.  The earth is the third
planet from the sun.
 The earth’s surface is
made up of land and
water.
 This is the only planet
known to have life.

16. Universe is a vast expanse of space.
Stars are balls of hot glowing gases.
Group of stars that make a pattern are called
constellations.
The Sun and the eight planets together form
the Solar System.
The moon travels around the Earth.
The only known planet with life on it is the
Earth.