Click to Correct – 10 Hidden Factual Errors

How it works

There are 10 hidden factual errors in the paragraph below. Nothing is highlighted at first — you must find the mistakes. Click the word or phrase you think is wrong, then choose the correct answer from four options. When all 10 have choices, press Submit Answers. First‑try score is saved; then you can keep fixing until everything is correct.

Answered: 0/10
Left: 10
✏️ California Paragraph

California is a large state on the Pacific Ocean. Its capital is San Diego, and its largest city is San Francisco. People often call it the Copper State because of the Gold Rush. California became a state in 1950. The Golden Gate Bridge crosses the bay near Los Angeles. To the east, the tallest mountains are the Rocky Mountains, and the main southern desert is the Sahara Desert. California’s climate is the same everywhere. It is home to famous parks like Yellowstone, and Grand Canyon National Parks. To the east, California borders the Atlantic Ocean.

There are 10 hidden factual errors to fix.