As seen from Earth, the appearance of the moon changes throughout the month. What causes the appearance of the Moon to change?

The moon revolves around Earth about once every..

Which model correctly shows the position of the Sun, Earth, and the Moon during a solar eclipse?

What is the approximate length of time it takes the moon to complete one lunar cycle?

Here are the four phases of the lunar cycle, but they are NOT in the correct order.

Which sequence BEST shows the correct order of one lunar cycle?

Which term describes the path the Moon travels around Earth?

All of these are examples of the ways Earth and the Moon interact EXCEPT

This picture shows the position of the Sun, Earth, and the Moon on one night.

What moon phase did people on Earth see on this night?

Natalie observed the Moon for over a couple of weeks. Each night, the Moon appeared a little fuller. Natalie wants to predict which phase of the moon she can expect to see in the next few days.

Based on Natalie's observations, which phase of the moon will appear next?

Sally is studying how the moon changes phases as it revolves around Earth.

How would the Moon appear from Earth when the Sun, Earth, and the Moon are arranged as shown in the diagram?

Students looked at a calendar for February 2007. They saw that the full moon occurred on February 2nd of that year.

Based on the cycle of moon phases, what date would the students predict that the next full moon occurred in 2007?

About how long is a lunar cycle?

During the new moon phase, the Moon cannot be seen in the night sky. Which diagram shows how the Moon, Earth, and Sun are arranged during the new moon phase?

Tamara made a diagram modeling the sizes of orbits that included the Sun, Earth, and Moon.

What is happening in Orbit 2?

Three students modeled orbits. Each student represented one space object. They moved around each other to model the orbits.

Which motion would show a real orbit?