Question

1. how does light travel? * 1 point

a. light travels in straight lines only.
b. light travels like a river, wherever there is an open path.
c. light travels in unpredictable ways.
d. it depends; if the light is bright enough it can change direction.

1. shira looked up one night and saw a full moon. how long will it be before she can see a full moon again? * 1 point

Explanation:

For question 4: Light travels in straight lines in a uniform medium; while it can refract or reflect when passing through different media, its fundamental propagation in a consistent medium is straight, making option A the most accurate choice among the given options.
For question 5: The lunar cycle, the time between consecutive full moons, is approximately 29.5 days, commonly referred to as a lunar month.

Answer:

1. A. Light travels in straight lines only.
2. Approximately 29.5 days (one lunar month)