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What Is the Midnight Sun

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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Reading passage

Reading comprehension

Audio narration

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Comprehension quiz

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Glossary & flashcards

Vocabulary practice

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Adapted for varied levels

Spanish translation

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About this reader

This 400-500 word informational science passage explains the midnight sun phenomenon for middle school students in grades 6-8. Students learn how Earth's axial tilt of 23.5 degrees causes regions above the Arctic Circle and below the Antarctic Circle to experience continuous daylight during their respective summer months. The passage explores real-world examples from Tromsø, Norway, and discusses how communities adapt to extended daylight with blackout curtains and modified sleep schedules. Aligned with NGSS standards MS-ESS1.B (Earth and the Solar System) and MS-ESS1-1, this passage helps students understand patterns of Earth's motion and their effects on different regions. The content includes audio integration for accessibility, vocabulary development with 8-10 key science terms, and activities that promote scientific reasoning and analysis of Earth-Sun relationships.

Written by Workybooks TeamPublished by Workybooks

Sample passage and quiz content

CONTENT PREVIEW

"Solfrafjellheisen" Midnight Sun from the Cable Car. Osopolar at wts wikivoyage / Wikimedia Commons

The midnight sun is a natural phenomenon where the Sun remains visible in the sky for 24 hours or more. This occurs in regions near Earth's poles during their summer months. Scientists explain that Earth's axial tilt causes this unusual pattern of daylight.

Earth tilts at an angle of 23.5 degrees as it orbits the Sun. This tilt means different parts of Earth receive varying amounts of sunlight throughout the year. During summer in the Northern Hemisphere, the Arctic Circle tilts toward the Sun. Evidence shows that locations above this circle can experience continuous daylight for weeks or even months. The same effect happens in the Antarctic Circle during the Southern Hemisphere's summer. When one pole tilts toward the Sun, the other tilts away and experiences darkness.

The midnight sun occurs because Earth's rotation cannot move these polar regions out of the Sun's light during summer. Scientists observe that the closer a location is to the poles, the longer the period of continuous daylight lasts. At the exact poles, the Sun can remain visible for about six months. The summer solstice marks the peak of this phenomenon in each hemisphere.

Tromsø, Norway, provides a clear example of how the midnight sun affects daily life. This city sits well above the Arctic Circle at 69 degrees north latitude. From late May to late July, residents experience the midnight sun. The Sun circles the sky without setting below the horizon. Communities in these regions adapt to extended daylight in various ways. Many people use blackout curtains to create darkness for sleeping. Some residents adjust their sleep schedules to match their body's natural rhythms rather than the clock.

Understanding the midnight sun helps scientists explain Earth's motion and its relationship with the Sun. This phenomenon demonstrates how Earth's tilt and orbit create different patterns of daylight across the planet. The midnight sun also affects local ecosystems, influencing plant growth and animal behavior during summer months. These patterns show the important connections between Earth's position in space and conditions on its surface.

Interesting Fact: During the midnight sun period in some Arctic locations, temperatures can reach 20°C (68°F) or higher, even at midnight. This extended sunlight allows plants to grow rapidly during the short Arctic summer.

What is the midnight sun?

A natural phenomenon where the Sun remains visible for 24 hours or moreA type of solar eclipse that occurs at midnightA special sunrise that happens only in winterA time when the Moon blocks the Sun at night

What causes the midnight sun to occur?

The Moon's orbit around EarthEarth's axial tilt of 23.5 degreesThe Sun moving closer to Earth in summerChanges in Earth's rotation speed

In the passage, what does the term 'latitude' mean?

The distance east or west of a central pointThe measurement of distance north or south of Earth's equatorThe height of a location above sea levelThe time zone of a specific region

How long does the midnight sun last in Tromsø, Norway?

One week in JuneThe entire yearFrom late May to late JulyOnly on the summer solstice

Why does Earth's rotation not move polar regions out of sunlight during summer?

Because Earth stops rotating in summerBecause the poles tilt toward the Sun and stay in its lightBecause the Sun follows Earth's rotationBecause polar regions are closer to the Sun

What can you infer about the relationship between distance from the poles and the length of the midnight sun?

Distance from the poles has no effect on midnight sun durationLocations farther from the poles experience longer midnight sun periodsLocations closer to the poles experience longer periods of continuous daylightOnly locations exactly at the poles experience the midnight sun

How do communities adapt to the extended daylight of the midnight sun?

They move to different locations during summerThey use blackout curtains and adjust sleep schedulesThey stay awake for the entire summer seasonThey build underground homes to avoid sunlight

If you were designing a research study about the midnight sun's effect on plant growth, which location would provide the best data?

A tropical rainforest near the equatorA desert in the middle latitudesA region above the Arctic CircleA coastal area in the Southern Hemisphere's temperate zone

True or False: When the Northern Hemisphere experiences the midnight sun, the Southern Hemisphere experiences continuous darkness in its polar regions.

TrueFalse

True or False: The midnight sun occurs because the Sun moves closer to Earth during summer months.

TrueFalse