Reports, Evidence and Planets: teacher key

Aliens and UFOs, grade 6 edition, written for 6th grade. Strange lights get reported, planets get measured. Here is how each kind of clue gets checked, and what is found as of November 2026.

Read the book. Print this page for the key.

Questions and answers

1. What does the word unidentified tell you about a UFO report?
   • The object was a spaceship
   • The person could not name what they saw at that moment (answer)
   • The report was false
2. Which caused many UFO reports in the 1950s and 1960s?
   • Rovers
   • Exoplanets
   • Secret high-flying planes (answer)
3. How does a transit help scientists?
   • A star dips in light when a planet passes in front (answer)
   • A rover takes a picture of the planet
   • A planet sends a message
4. What can make a star wobble?
   • A passing balloon
   • The gravity of an orbiting planet (answer)
   • Rust
5. What is the habitable zone a guide for?
   • Where balloons fly
   • Where meteors fall
   • Where a planet could have liquid water (answer)
6. As of November 2026, what have scientists found beyond Earth?
   • No life yet (answer)
   • Life on Mars
   • Life on Venus

Words

• unidentified: not yet known
• transit: planet crossing
• habitable: fit to live
• exoplanet: far-off planet
• meteors: shooting stars