Flashcard: The Earth-Sun-Moon System

Front

Luis created a clay model of Earth. To show how Earth rotates, Luis wants to use a toothpick to represent Earth’s axis of rotation. Where should Luis place the toothpick?

Back

vertically through the center of Earth, slightly to the side of each pole

Front

Each lunar cycle has one full moon, in which the relative positions of Earth, the sun, and the moon form in a straight line. Which list represents the position of Earth, the sun, and the moon during a full moon?

Back

sun, Earth, moon

Front

Oksana observed the appearance of the moon every week for a month. She sketched her observations. Which diagram best shows how the moon’s appearance could have changed during the month Oksana performed her investigation?

Back

Diagram C

Front

What would happen if the time it took for Earth to make one rotation around its axis increased?

Back

A day would be longer.

Front

Which phrase best defines the orbit of Earth? Options: the position in space of Earth at a certain time, the distance from the sun to Earth at any point, the spin of Earth on its axis as it moves forward, the path Earth travels as it revolves around the sun

Back

the path Earth travels as it revolves around the sun

Front

What makes it possible to see the surface of the moon from Earth? Options: The moon gives off its own light. Light from Earth is reflected by the moon’s surface. Light from the sun is reflected by the moon’s surface. The moon absorbs sunlight during the day and glows at night.

Back

Light from the sun is reflected by the moon’s surface.

Front

In the picture of Earth, the United States is in the center. As Earth rotates, the position of the United States in this picture moves. How often would the United States be in the same position in this picture again?

Back

about every 24 hours

Front

The same side of the moon is always facing Earth because:

Back

the moon rotates on its axis at the same rate that it orbits Earth

Front

A total solar eclipse and an annular eclipse differ in which of the following ways?

Back

A total solar eclipse occurs when the Moon completely covers the Sun, while an annular eclipse occurs when the Moon covers the center of the Sun, leaving a ring of sunlight visible.

Front

Trevor lives in the penumbra of a solar eclipse, while Jen lives in the umbra. What is the main difference in the view of the sun for Trevor and Jen?

Back

Trevor sees a partial eclipse, while Jen sees a total eclipse.