Read an Academic Passage — KotobaPro

Read an Academic Passage

Choose a passage to read, then answer comprehension and vocabulary questions.

The Pole Star Is Not Permanent

4 questions

How Lightning Rods Work

4 questions

Titanium Cookware and Ultralight Hiking

4 questions

Why Scottish Fold Cats' Ears Fold

4 questions

Invasive Species

4 questions

Externalities in Economics

4 questions

Catching Fake Honey: The Chemistry of a Global Fraud Problem

4 questions

Damascus Steel Patterning

4 questions

Acoustic Levitation

4 questions

The Spore Powder Behind a Fire-Breather's Flash

4 questions

Iceberg Calving: When Glaciers Give Way

4 questions

Why Plants Sometimes Struggle Near a Geothermal Loop Field

4 questions

A Traditional Remedy That Disables a Drug-Clearing Enzyme

4 questions

Glaze Chemistry

4 questions

Mycelium Networks

4 questions

The Antikythera Mechanism

4 questions

Auxetic Materials

4 questions

Seeing Letters in Color

4 questions

The Rarest Eye Color on Earth

4 questions

Simpson's Paradox

4 questions

The Solid Material That's Mostly Air

4 questions

Cryoseisms (Frost Quakes)

4 questions

How Self-Healing Concrete Works

4 questions

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Iridescence in Butterfly Wings

4 questions

Chladni Patterns

4 questions

Osmotic Power (Salinity Gradient Energy)

4 questions

Katabatic Winds

4 questions

Echolocation in Bats

4 questions

How Noise-Canceling Headphones Work

4 questions

Why Boiling Water Sometimes Erupts When You Add Salt

4 questions

How Freeze-Drying Preserves Food

4 questions

Why Bananas Ripen Faster Next to Other Fruit

4 questions

Why Paper Turns Yellow With Age

4 questions

The Melsonby Hoard

4 questions

C4 Photosynthesis

4 questions

Weightlessness and the Human Body

4 questions

Argon-Filled Windows

4 questions

How Cultures Picture Time: The Aymara Exception

4 questions

Tule Basket Weaving

4 questions

Recycling Aluminum Cans

4 questions

Masato Arikushi: The Craft Behind the Print

4 questions

Tinning Copper Cookware

4 questions

The Origin and Reading of the Weather Vane

4 questions

North Ronaldsay Sheep: Wool Shaped by the Sea

4 questions

4 questions

Why Quinoa Earns Its "Superfood" Reputation

4 questions

4 questions

The Stroop Effect

4 questions

The Maillard Reaction

4 questions

Magnetoreception in Migratory Birds

4 questions

The Mpemba Effect

4 questions

4 questions

Tempering Chocolate: The Crystal Science Behind a Glossy Snap

4 questions

Why Onions Make You Cry

4 questions

How Velcro Was Invented

4 questions

The Science of Skipping Stones

4 questions

Why Bread Goes Stale Faster in the Fridge

4 questions

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Why Mirrors Reverse Left and Right but Not Up and Down

4 questions

How a Thermos Keeps Drinks Hot or Cold

4 questions

How Water Towers Maintain Steady Water Pressure

4 questions

Piezoelectricity

4 questions

The Skin Effect in Electrical Conductors

4 questions

How Sunscreen Protects Skin

4 questions

How Automotive Headlight Testing Works

4 questions

Regenerative Braking in Electric Vehicles

4 questions

4 questions

Why Cast Iron Pans Need to Be Seasoned

4 questions

Why Glass Is Not Actually a Liquid

4 questions

The Kelvin-Helmholtz Instability

4 questions

Cricket Chirps as a Temperature Gauge

4 questions

Herd Immunity Threshold

4 questions

The Twin Paradox

4 questions

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Radiocarbon Dating

4 questions

The Physics of Popcorn

4 questions

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The Coandă Effect

4 questions