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What Is a Solar Eclipse

Interactive passage with audio narration, comprehension questions, and printable PDF.

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Format: Interactive (Online), Printable (PDF)
Grades: 5678
Subjects: scienceela
Standards: MS-ESS1-1
Languages: English, Spanish

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What's included

Reading passage

Reading comprehension

Audio narration

With word word highlighting

Comprehension quiz

Auto-graded

Writing activity

Open-ended response

Glossary & flashcards

Vocabulary practice

Differentiated version

Adapted for varied levels

Spanish translation

Bilingual support

About this reader

This informational science passage explains what a solar eclipse is and how it occurs for middle school students in grades 6-8. Students learn how the Moon passes between Earth and the Sun, blocking sunlight and casting shadows on our planet. The passage covers key vocabulary including umbra, penumbra, corona, and alignment, while explaining why solar eclipses only happen during new moons. Aligned to NGSS MS-ESS1-1 and MS-ESS1.B Earth and the Solar System standards, this resource includes audio integration, a simplified differentiated version for struggling readers, Spanish translations, comprehension questions, writing activities, and graphic organizers. Students explore the mechanics of solar eclipses and understand the precise conditions needed for these rare celestial events to occur.

Written by Workybooks TeamPublished by Workybooks

Sample passage and quiz content

CONTENT PREVIEW

2012 May 20 Albuquerque Open Access Eclipse Viewing — Excited amateur scientists viewing the 2012 May 20 Annular Eclipse in Albuquerque, NM, USA. They are using colored filter glasses provided by the University of New Mexico Department of Physics and Astronomy. Image by Skoch3 / Wikimedia Commons

A solar eclipse is an event when the Moon passes between Earth and the Sun. During this alignment, the Moon blocks sunlight from reaching parts of Earth. The Moon casts a shadow on our planet, briefly turning day into twilight. Scientists explain that solar eclipses only happen during a new moon when the Sun, Moon, and Earth line up almost perfectly.

The Moon's shadow has two parts. The dark inner shadow is called the umbra. People standing in the umbra experience a total solar eclipse. The Sun disappears completely behind the Moon. The outer, lighter shadow is the penumbra. Observers in the penumbra see a partial solar eclipse. Only part of the Sun gets blocked. The Moon appears to take a bite out of the Sun's bright disk.

Solar eclipses require precise alignment of three celestial bodies. The Moon orbits Earth at a slight tilt. This tilt means the Moon usually passes above or below the Sun from our view. Evidence shows that solar eclipses can only occur when the Moon crosses Earth's orbital plane at the right moment. This happens just two to five times each year somewhere on Earth.

During a total solar eclipse, observers can see the Sun's corona. The corona is the Sun's outer atmosphere. It normally remains hidden by the Sun's bright light. When the Moon blocks the Sun's disk, the corona appears as a white halo. Scientists observe the corona during eclipses to study the Sun's behavior. The August 21, 2017 total solar eclipse crossed the United States from Oregon to South Carolina. Millions of people witnessed this rare event.

Solar eclipses matter because they help scientists understand our solar system. These events show how objects move in predictable patterns through space. Ancient astronomers used eclipses to calculate the Moon's distance from Earth. Today, scientists continue to study eclipses to learn about the Sun's atmosphere and magnetic field. Solar eclipses also remind us that Earth is part of a dynamic system where celestial bodies constantly interact.

Interesting Fact: The Moon is slowly moving away from Earth at about 1.5 inches per year. In about 600 million years, the Moon will be too far away to completely cover the Sun, making total solar eclipses impossible.

What is a solar eclipse?

When Earth passes between the Moon and the SunWhen the Moon passes between Earth and the Sun, blocking sunlightWhen the Sun passes behind the Moon permanentlyWhen Earth's shadow falls on the Moon

During which phase of the Moon can a solar eclipse occur?

Full moonFirst quarterNew moonLast quarter

What is the umbra?

The outer, lighter part of the Moon's shadowThe Sun's outer atmosphereThe dark inner part of the Moon's shadow where the Sun is completely blockedThe path the Moon travels around Earth

What does the word 'alignment' mean in the context of the passage?

The arrangement of celestial objects in a straight or nearly straight lineThe distance between two planetsThe speed at which the Moon orbits EarthThe temperature of the Sun's surface

Why don't solar eclipses happen every month during the new moon?

The Sun is too far away from EarthThe Moon orbits Earth at a slight tilt, so it usually passes above or below the SunEarth rotates too quicklyThe Moon is too small to block the Sun

What can scientists observe during a total solar eclipse that is normally hidden?

The Moon's coreEarth's atmosphereThe Sun's coronaThe planet Mars

If you are standing in the penumbra during a solar eclipse, what will you see?

The Sun completely disappearsOnly part of the Sun gets blocked, creating a partial eclipseThe Moon turns redNothing unusual happens

How did the passage describe what ancient astronomers used eclipses for?

To predict the weatherTo calculate the Moon's distance from EarthTo measure the size of the SunTo navigate across oceans

Solar eclipses can happen five or more times every year somewhere on Earth.

TrueFalse

The Moon is slowly moving closer to Earth over time.

TrueFalse