Earth phase

High school (ages 12+)
Space & Astronomy

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/earth-phase

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the key celestial bodies involved?Sun, Earth, and Moon
2. What are Earth phases?Earth phases are the changing shapes of the sunlit part of Earth that we can see from the Moon, just like the Moon’s phases we see from Earth.
3. Why does Earth look different from the Moon?Because the Sun, Earth, and Moon move around each other, the angle of sunlight on Earth changes, so the part that is lit changes.

Albedo: The measure of how much light a surface reflects; Earth's high albedo is due to its atmosphere and oceans.
Sidereal month: The time it takes for the Moon to complete one orbit around Earth relative to the stars.
Solar eclipse: An event where the Moon passes between the Sun and Earth, blocking the Sun's light.