6 th Grade Science

1. 6th Grade Science 2.1 – 2.5 pages 28-41

2. Facts about the Earth 2.1 • Earth is the 3rd closest planet to the sun • Earth is nearly 93 million miles from the sun • The distance through the earth is 8000 miles • The distance around the earth is 25,000 miles

3. God’s Amazing Creation • Did you know that if the earth were any closer to the sun the temperature would be too hot to support living life? • Did you know that if the earth were farther away from the sun the temperature would be too cold to support living life?

4. Earth’s Movement 2.2 • Rotation – earth spins on its axis • Axis – the imaginary line that passes through the center of the earth from North Pole to the South Pole • Equator – imaginary horizontal line in the middle of the earth • Revolution – earth’s movement around the sun

5. Earth’s Layers 2.3 • Crust – thin outer layer of the Earth, made of dirt and rocks • Mantle – thickest of the three layers, in between crust and core, made up of magma (melted rock) • Core – the middle part of the earth, made up of molten iron

6. Earth’s Forces 2.4 • Gravity – the pull of matter on matter • Mass – the amount of matter an object has

7. Magnetism of the Earth • The earth has a north and south magnetic pole. • Earth has a magnetic field surrounding it called magnetosphere.

8. Earth’s Topography 2.5 • Topography – the shape of the land Four main features create land’s shape – mountains, hills, plateaus, and plains

9. Mountains and Hills • Mountains – greatly elevated sections. Often occur in chains such as the Rocky Mountains. • Hills – elevated mounds, lower elevation than mountains. Less steep and less jagged.

10. Plateaus and Plains • Plateaus – elevated flat lands • Plains – level, low lying land.

11. Latitude and Longitude • Latitude lines go east and west and are parallel to the equator • Longitude lines go from the north pole to the south pole