Which process leaves salt behind when seawater becomes vapour?
Evaporation
Wave breaking
Freezing rain
Condensation
Trivia for Kids 8–14 · Mixed
Ocean Clues
Ten fresh questions for ages 8–14 exploring ocean clues. Mixed difficulty with explanations and host verification notes in the import file.
A striped beach flag waves offshore because wind is moving…
Along the seabed
Only straight upward
From sea toward land
From land toward sea
What drives most ordinary surface waves far from shore?
Fish breathing together
Sand becoming lighter
Wind transferring energy
Salt crystals exploding
Why does a floating cork bob as a wave passes without travelling across the whole sea?
Waves are only shadows
Waves transfer energy more than water
The cork is anchored by salt
Water cannot move sideways
A coastline has two high tides most lunar days. Which influence is central?
The colour of the sand
Earth's magnetic poles
Cloud shadows
The Moon's gravity
A reef-building coral depends partly on microscopic partners that…
Produce steel
Photosynthesise
Chew beach rocks
Store freshwater in shells
True or false: The ocean floor includes mountain ranges and deep trenches.
True
False
A warm ocean current can make a nearby coast…
Become landlocked
Lose all rainfall
Milder than otherwise
Stop experiencing wind
Cold salty water tends to sink because it is…
Always frozen
Free of dissolved gases
Relatively dense
Unable to move sideways
Why are deep-sea vents unusual food-web starting points?
Microbes use chemical energy
All animals photosynthesise
There is no energy source
They receive stronger sunlight