40 Two Truths and a Lie Ideas
Unusual animals, plants and planetary science. This Two Truths and a Lie pack uses two truths and one lie per card. Choose the false statement and compare guesses with friends.
Here are all 40 ideas from the 40 Two Truths and a Lie Ideas pack. Quiz yourself, or start a free room: PartyRoomGames deals the questions, collects everyone's answers on their phones and runs the reveal. Guests join with a room code, no signup.
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Questions (40)
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1. Which statement is the lie about tardigrades exposed to space vacuum in 2007?
easy- Every tardigrade exposed to space vacuum in 2007 died immediately.
- Some tardigrades survived a 2007 space-vacuum experiment.
- Tardigrades are also called water bears.
2. Which statement is the lie about wild crows remembering threatening human faces?
medium- Crows later reacted to masks associated with capture.
- Researchers used masks while trapping crows.
- The crow study found birds could never distinguish human faces.
3. Which statement is the lie about platypus fur under ultraviolet illumination?
hard- Platypus fur becomes completely invisible under ultraviolet light.
- Platypuses are mammals.
- Researchers observed biofluorescence in platypus fur.
4. Which statement is the lie about tickled rats and ultrasonic calls?
easy- Rat tickling calls are always easily audible to unaided humans.
- Rats can produce ultrasonic vocalizations.
- Tickling can elicit high-frequency calls in rats.
5. Which statement is the lie about hippo secretion pigments and bacteria?
easy- Hippo secretions contain reddish pigments.
- Hippo skin secretion is ordinary red blood leaking from wounds.
- Some secretion pigments absorb ultraviolet light.
6. Which statement is the lie about Lake Hillier's saline pink water?
easy- Lake Hillier is a freshwater lake in Canada.
- Lake Hillier is a salt lake.
- Lake Hillier is in Western Australia.
7. Which statement is the lie about periodical cicadas and long underground cycles?
medium- All periodical cicadas emerge every fifty years.
- Other periodical cicadas have thirteen-year cycles.
- Some periodical cicadas have seventeen-year cycles.
8. Which statement is the lie about Greenland shark longevity inferred from eye lenses?
medium- Greenland sharks can live for centuries.
- The 2016 shark study concluded Greenland sharks live only twenty years.
- The study used radiocarbon dating of eye-lens material.
9. Which statement is the lie about Utah's Pando aspen clone?
medium- Pando consists of quaking aspen stems.
- Pando grows in Utah.
- Pando is a grove of genetically unrelated oak trees.
10. Which statement is the lie about Titan's hydrocarbon lakes and seas?
medium- Titan has lakes containing liquid hydrocarbons.
- Titan orbits Saturn.
- Titan's surface lakes are made of molten iron.
11. Which statement is the lie about ostrich nests and the buried-head myth?
easy- Ostriches lay eggs in ground nests.
- Ostriches routinely bury their heads in sand to hide from predators.
- Ostriches turn eggs with their beaks.
12. Which statement is the lie about bananas and naturally occurring potassium isotopes?
medium- A small fraction of natural potassium is radioactive.
- Bananas contain no naturally radioactive isotopes.
- Bananas contain potassium.
13. Which statement is the lie about mature sunflowers and morning orientation?
medium- Mature sunflower heads commonly face east.
- Mature sunflower heads normally keep tracking the Sun all day.
- Young sunflower plants can track the Sun.
14. Which statement is the lie about bamboo's synchronized flowering?
hard- Bamboo is a kind of conifer.
- Bamboos belong to the grass family.
- Some bamboos flower after decades of growth.
15. Which statement is the lie about starling murmurations at communal roosts?
easy- A murmuration is a group of underground mammals.
- A swirling starling flock is called a murmuration.
- Starlings can gather in large flocks.
16. Which statement is the lie about elephants detecting ground-borne vibrations?
easy- Elephant calls can create ground-borne vibrations.
- Elephants can sense vibrations through their feet.
- Elephants detect ground vibrations using feathers on their feet.
17. Which statement is the lie about clownfish social hierarchy and breeding roles?
hard- A clownfish group has a dominant female.
- The dominant female clownfish changes into a male when removed.
- The largest breeding male can become female.
18. Which statement is the lie about white-spotted pufferfish sand-circle nests?
hard- Fins help the fish move sand.
- Male white-spotted pufferfish build their circles from tree branches.
- Males sculpt circular patterns on the seabed.
19. Which statement is the lie about Welwitschia's persistent adult leaves?
hard- The leaves continue growing from their bases.
- Welwitschia grows a new pair of adult leaves every spring.
- Welwitschia retains two main foliage leaves.
20. Which statement is the lie about watermelon snow and red-pigmented algae?
medium- Algae can color snow pink or red.
- Snow algae can contain protective red pigments.
- Watermelon snow is colored by crushed watermelon fruit.
21. Which statement is the lie about Australia's northward tectonic movement?
medium- Australia moves north by roughly seven centimetres a year.
- Australia moves with a tectonic plate.
- Australia's position on Earth is fixed and never changes.
22. Which statement is the lie about leafcutter ants cultivating fungi?
easy- Cut leaves provide material for their fungal gardens.
- Leafcutter ants carry leaves home to manufacture paper.
- Leafcutter ants cultivate fungi.
23. Which statement is the lie about Kawah Ijen's blue sulfur flames?
hard- Kawah Ijen is in Indonesia.
- Kawah Ijen's blue glow proves its molten lava is naturally blue.
- Sulfur gases can burn with blue flames.
24. Which statement is the lie about rainbow eucalyptus bark changing color?
medium- Freshly exposed bark can look green.
- Its bark peels away in patches.
- Rainbow eucalyptus gets its colors from paint applied by birds.
25. Which statement is the lie about bioluminescent plankton lighting coastal waves?
medium- All glowing blue waves are lit by electricity from ships.
- Disturbing bioluminescent plankton can trigger flashes.
- Some plankton can produce light.
26. Which statement is the lie about the Sargasso Sea's current-defined edges?
hard- Ocean currents define its boundaries.
- The Sargasso Sea is surrounded on every side by coastline.
- The Sargasso Sea lies in the North Atlantic.
27. Which statement is the lie about wind-formed snow rollers?
easy- Snow rollers can form only when people build them.
- Snow rollers sometimes have hollow centers.
- Wind can roll suitable snow into cylinders.
28. Which statement is the lie about methane hydrate trapping gas in ice?
hard- Methane hydrate contains no trapped gas.
- Methane hydrate has an ice-like appearance.
- Methane is held within a water-molecule structure.
29. Which statement is the lie about Chicago's engineered river reversal?
medium- Engineers reversed the main river flow in 1900.
- The Chicago River reversal was completed in 1800.
- The project redirected flow away from Lake Michigan.
30. Which statement is the lie about the immortal jellyfish's reversible life cycle?
hard- It can return to a polyp stage.
- The immortal jellyfish cannot die from predation.
- The species is called Turritopsis dohrnii.
31. Which statement is the lie about hoatzin chicks climbing with wing claws?
hard- Hoatzin chicks have hooves on their wings.
- The claws help chicks climb branches.
- Young hoatzins have wing claws.
32. Which statement is the lie about Saturn's north-polar hexagonal jet?
easy- Saturn's famous north-polar pattern has exactly four sides.
- The north-polar pattern has six sides.
- The pattern is associated with atmospheric winds.
33. Which statement is the lie about foxfire glowing on decaying wood?
medium- Foxfire is associated with bioluminescent fungi.
- Foxfire is produced by the tails of foxes.
- It can appear on decaying wood.
34. Which statement is the lie about bottlenose dolphin signature whistles?
easy- Bottlenose dolphins communicate only by changing fin colors.
- Bottlenose dolphins produce whistles.
- Individuals develop distinctive signature whistles.
35. Which statement is the lie about sheep learning faces in a 2017 experiment?
easy- Sheep learned to distinguish human faces in photographs.
- The 2017 sheep study tested reading entire printed novels.
- The study used images displayed on screens.
36. Which statement is the lie about sea otter storage pockets and tools?
easy- Sea otters can carry food in these pockets.
- Sea otters have loose skin pockets under their forearms.
- Sea otters store their food inside rigid external shells.
37. Which statement is the lie about horses dozing while upright?
easy- A stay apparatus helps support a standing horse.
- Horses can doze while standing.
- Horses get all their REM sleep while standing.
38. Which statement is the lie about superb lyrebirds copying environmental sounds?
easy- Superb lyrebirds can imitate only their own species.
- Superb lyrebirds can mimic other birds.
- They are native to Australia.
39. Which statement is the lie about sleeping glassfrogs hiding red blood cells?
hard- Sleeping glassfrogs can hide many red blood cells.
- The studied frogs store those cells in the liver.
- The studied glassfrogs become transparent by storing red cells in the tongue.
40. Which statement is the lie about lightning in volcanic ash plumes?
medium- Ash particles can become electrically charged.
- Lightning can occur only inside ordinary rainstorm clouds.
- Volcanic eruptions can produce lightning.
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