Question

Annie designed an experiment to demonstrate a lunar eclipse. The steps of the experiment are listed below.

Place a light bulb on a stand.
Stick a pencil into a small styrofoam ball.
Switch on the light bulb and darken the room.
Stand facing the light bulb.
Hold the pencil with styrofoam ball in front at arm's length.

Annie's experiment has a flaw. Which of these statements best describes a method to correct the flaw in Annie's experiment? (2 points)

Replace the light bulb with a candle.

Place the light bulb behind the observer.

Use a big globe instead of styrofoam ball.

Clamp the styrofoam ball behind the light bulb.

Answer 1

Replace the light bulb with a candle

Answer 2

Answer:

B. Place the light bulb behind the observer.

Explanation:

If you are going for a solar eclipse, then the experiment would work since it's the sun, the moon, the earth. But since you are looking to see a lunar eclipse, you must make the order be the sun, the earth, the moon. For this, her back has to be toward the light.