Week 13: Silent Letters
- knuckles
- honor
- wrestle
- heir
- doubt
- gnat
- plumber
- known
- answer
- thumbs
Content Area Words & Definitions:
- axis – an imaginary line that passes through Earth’s center and its North and South Poles
- revolve – to travel in a closed path around an object such as Earth does as it moves around the sun
- planet – a large body in space that orbits a star and does not produce light of its own
- orbit – the path of an object as it revolves around another object in space.
- rotation – the spinning of Earth on its axis
