Simple Machines & Light
Across
- 1. The moon in not a _________ of light
- 3. A shadow is caused because light cannot travel around
- 4. Darkness is the absence of
- 6. When light is reflected it changes
- 8. a straight slanted or sloping surface
- 9. A wheel with grooved rim and a rope, chain, or belt running around its grooves
- 10. In hospitals and other places inclined planes are called as
Down
- 1. Light travels in a
- 2. We only see light when it enters our
- 5. When light hits an object it is reflected. A shiny surface reflects ______light than a dull object.
- 7. Some machines have very few parts, these are called