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Stuff Every Oceanography Scout Should Know: free practice in 30-second cards
Stuff Every Oceanography Scout Should Know
Practice facts for the Oceanography merit badge. Not an official Scouting America credential.
Start Stuff Every Oceanography Scout Should Know ⚡ Today's sprint 🎙️ Voice mode
Free to start, no sign-up. 73 cards so far. One Knowledge Score and day streak across all your courses.
Questions people ask
Is this practice test free?
Yes. The first 50 cards are free for everyone with no sign-up, each with the answer, why it is right and its sources. Aha Trivia members get all 73 cards and timed practice exams.
How many practice questions are there?
73 practice questions so far. Each one is a 3-choice card that takes about 30 seconds, and the course grows as new cards pass our source checks.
Where do the answers come from?
Every card lists the sources it was checked against, and each answer explains why it is right. If you think an answer is wrong, tap "Challenge this answer" in the game and it gets reviewed.
Can I study in the car?
Yes. Voice mode reads the questions out loud and you answer by voice.
Try 3 cards
- What do oceanographers call the study of the ocean's chemistry?
Show the answer
Chemical oceanography. Chemical oceanography studies seawater properties and how its chemistry changes.
- Which branch of oceanography studies the ocean floor and plate tectonics?
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Geological oceanography. Geological oceanography covers seafloor geology, plate tectonics, and paleoceanography.
- Which branch studies waves, tides, and currents?
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Physical oceanography. Physical oceanography covers temperature-salinity structure, waves, tides, and currents.
All 73 practice questions
The first 50 are free, with the answer, why it's right and the official sources. The other 23 (🔒) open with a membership (every test). Or play them as a game and track what you've learned.
Show all 73 questions
- What do oceanographers call the study of the ocean's chemistry?
- Which branch of oceanography studies the ocean floor and plate tectonics?
- Which branch studies waves, tides, and currents?
- What does biological oceanography mainly investigate?
- What does paleoceanography study?
- What two factors does the term thermohaline combine?
- What mainly causes ocean tides?
- Which is a wind-driven western boundary current?
- What does ocean acidification describe?
- Which marine animals are likely affected by ocean acidification?
- What does ocean heat content measure?
- How much of global warming energy accumulation since 1971 went into ocean warming?
- About how many new marine species did the Challenger expedition discover?
- Who made the first scientific study of the Gulf Stream?
- What did Charles Darwin publish about after the Beagle voyage?
- What did the Fram expedition by Fridtjof Nansen allow?
- What was the first acoustic measurement of sea depth made in 1914?
- What did the Meteor expedition use to gather 70,000 depth measurements?
- Who discovered deep-sea vents in 1977 using the submersible Alvin?
- What did Auguste Piccard invent in the 1950s for deep ocean study?
- What did the Nautilus submarine do in 1958?
- What does the Intergovernmental Oceanographic Commission report about ocean science spending?
- Why is studying the ocean important for climate understanding?
- What are the atmosphere and ocean linked by?
- What does the ocean's carbon cycle relate to?
- What is coral bleaching linked to in recent studies?
- What does the ocean's role in the water cycle involve?
- What is Arctic sea ice decline an example of?
- What are marine heatwaves?
- What is coastal erosion studied alongside in climate research?
- What forms when absorbed carbon dioxide reacts in seawater?
- What is the preindustrial pH of seawater?
- What pH is expected by the year 2100 under acidification?
- Which planktonic organisms are affected by acidification?
- What is the carbonate compensation depth?
- What does ocean acidification threaten in tropical regions?
- What does the ocean's role in the carbon cycle help regulate?
- What does the term salinity measure in seawater?
- Why does salty seawater have greater density than fresh water?
- What is a rip current?
- How should you escape a rip current?
- What is a storm surge?
- What causes a tsunami?
- What is a tidal bore?
- What is the difference between sea and swell?
- What is surf?
- How are breakers formed?
- What is a seamount?
- What is a guyot?
- What is an oceanic trench?
- What is a rift valley on the seafloor? 🔒
- What is an oceanic ridge? 🔒
- What is the main salt in seawater? 🔒
- Which gas do ocean plants and phytoplankton need for photosynthesis? 🔒
- How does evaporation affect ocean salt content? 🔒
- How does heavy precipitation affect ocean salinity? 🔒
- What is benthos? 🔒
- What is nekton? 🔒
- What is plankton? 🔒
- Why is phytoplankton important in the ocean food chain? 🔒
- What does a Secchi disk measure? 🔒
- What is longshore drift? 🔒
- What do groins, jetties, and breakwaters do to waves? 🔒
- What is a tidal wave in common usage? 🔒
- What is the Gulf Stream? 🔒
- What is the Kuroshio Current? 🔒
- What is the thermohaline circulation mainly dependent on? 🔒
- What is the meridional overturning circulation a more accurate name for? 🔒
- What does the Challenger expedition show about early oceanography? 🔒
- What did the Challenger expedition use to study the deep sea? 🔒
- What did Harry Hess develop in 1960? 🔒
- What did Marie Tharp help map using bathymetric data? 🔒
- What is the main factor that determines ocean currents along with wind and tides? 🔒