A. Directions: Write TRUE if the statement is correct and FALSE if it is
not. Do it in your Science notebook.
1. Light needs a medium through which it can travel.
2. Fireworks show how light travels faster than sound.
3. Light travels faster in glass than it does in a vacuum.
4. Light travels in a straight line when it passes through a single
medium.
5. Light rays could not be blocked and they could pass through all
types of materials since they travel on a straight line.