Size of the Sun

• THE BIGGEST STAR IN THE SOLAR SYSTEM

• MADE OF HOT GASES CALLED NITROGEN AND HELIUM

• PRODUCES ITS OWN LIGHT 

• SERVES AS THE SOURCE OF ALL ENERGY AND BEGINNING OF PHOTOSYNTHESIS

• HAS THE MOST GRAVITY

The Earth

• ONLY KNOWN PLANET WITH LIFE

• HAS AN ATMOSPHERE THAT PROTECTS THE PLANET

• HOLDS WATER IN ALL 3 STATES OF MATTER

• MADE OF ROCK, HAS CRATERS, AND WATER

• HAS GRAVITY TO KEEP ITS INHABITANTS SAFE TO THE GROUND

The Moon

• A NATURAL SATE LITE IN THE SOLAR SYSTEM TO ORBIT THE EARTH

• HAS MANY CRATERS

• HAS VERY LITTLE GRAVITY AND ALMOST NO ATMOSPHERE

• REFLECTIVE AND ROCKY SURFACE

• SMALLEST BODY OF THE THREE

Vocabulary

• Model – a picture, idea, or object that represents an object, a system, or process that is used to help with understanding; models have advantages and limitations

• Moon – a natural object that orbits a planet; Earth’s Moon is the only natural satellite and Earth’s nearest neighbor in space

• Orbit – the path that one object in space takes around another object in space

• Planet – a large object that orbits a star; the Earth (a planet) orbits the Sun (star)

• Revolution (revolve) – one complete circle made by a planet or satellite around another object

• Solar system – the Sun and all of the objects that move around it

• Sun – a star composed of gases; provides Earth with most of its light and heat energy

Sun is at the center

The earth revolves around the sun

The moon revolves around the earth

All while they ALL spin on its axis

​Orbits

On your own...

Find a partner
Get your notebook
Research Sun, Moon, Earth
Rememeber !!!!... only look in reliable sources
- .gov (government) or .edu (education)
-museums
-encyclopedias
-Britanica

Choose either the Sun, the moon, or the earth and write a summary of everything that you learned about it today.

QWS