Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
1
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
2
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
3
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
4
Science 3rd, UNIT 4
Nov-13
The MILKY WAY is our galaxy
The Solar System is only a small part of the Milky Way
El Tomillar, J.C. Brazo
5
Science 3rd, UNIT 4
Nov-13
There are three different types of galaxies
ELLIPTICAL GALAXY
They have got elliptical form
They have got spiral form
IRREGULAR GALAXY El Tomillar, J.C. Brazo
SPIRAL GALAXY
They have got no fixed shape 6
Science 3rd, UNIT 4
Nov-13
The SOLAR SYSTEM is made up of:
:
SATELLITES:
COMETS
REMEMBER: The Sun is the only star in the Solar System, but just one of the billion of stars in the Milky Way... El Tomillar, J.C. Brazo
7
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
8
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
9
Science 3rd, UNIT 4
STARS
Nov-13
Self-luminous celestial bodies. They are made up mainly of gas.
The Sun is a star
They release lots of energy.
El Tomillar, J.C. Brazo
10
Science 3rd, UNIT 4
Nov-13
PLANETS Large celestial bodies that move around a star
The Solar System has 8 planets
They don't have their own light El Tomillar, J.C. Brazo
11
Science 3rd, UNIT 4
Nov-13
SATELLITES Celestial bodies that move around a planet
The Moon is the Earth's satellite. There are also other planets with satellites in the Solar System
They don't have their own light El Tomillar, J.C. Brazo
12
Science 3rd, UNIT 4
Nov-13
OTHER CELESTIAL BODIES ASTEROIDS Large rocks that move around a star
COMETS Large blocks of ice and rock that move around a star
El Tomillar, J.C. Brazo
13
Science 3rd, UNIT 4
Nov-13
MOVEMENTS OF THE EARTH ROTATION
AROUND ITS AXIS
REVOLUTION
AROUND THE SUN
It takes 24 hours and
It takes aprox. 365 days
causes DAYS and NIGHTS
and causes SEASONS (winter, spring, summer and autumn)
El Tomillar, J.C. Brazo
14
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
15
Science 3rd, UNIT 4
Nov-13
Sun
El Tomillar, J.C. Brazo
16
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
17
Science 3rd, UNIT 4
Nov-13
only natural satellite.
El Tomillar, J.C. Brazo
18
Science 3rd, UNIT 4
Nov-13
MOON PHASES as we see them from the Earth
El Tomillar, J.C. Brazo
19
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
20
Science 3rd, UNIT 4
El Tomillar, J.C. Brazo
Nov-13
21
Science 3rd, UNIT 4
Nov-13
Earth or part of it
El Tomillar, J.C. Brazo
22