1. Objects in Space
Lesson 56

2. Activator
Besides planets and stars, what are some other objects in space? List as many as you can. Winner receives a homework pass.

3. How Objects Travel in Space?
Things in space have inertia. (Travel in a straight line unless there is a force that makes them stop or change)
Movement is influenced by gravity.
Most objects on space tend to travel in orbits around the Sun or around planets.
The orbits are usually close to circular, but are actually slightly flattened ellipses.

4. Comets
  Comets contain dust, ice, carbon dioxide, ammonia, methane and more.
Core = ice and dusted coated with dark organic matter
Bright ion tail
Very large
Visible form Earth
Orbits the sun

5. Asteroid Comets without the ice Made up of dust, rock, and metal
The majority of the known asteroids in the Solar System orbit the Sun in a band between the orbits of Mars and Jupiter.
This band is commonly referred to as the ___________________

6. Meteoroid vs Meteor vs Meteorite
Meteoroid: Solid rock mass in space  
Meteor: Mass hits Earth’s atmosphere and becomes hot and flaming
Meteorite: Solid space mass hits the ground
Orbits the sun
REMEMBER → ROID/R/RITE

8. Classwork Brain Break: When dinosaurs were wiped out
Complete WS comparing comet, meteor, asteroid
After complete two NEWSELA assignments