Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
5th oceanography
oceanography terms
| Question | Answer |
|---|---|
| Oceans cover about _____ of the Earth's surface. | 70% |
| The oceans contain _____ of the Earth's water supply. | 97% |
| The oceans __________ Earth's temperature by absorbing incoming solar radiation | moderate |
| ____ are smaller branches of the ocean. | seas |
| As water flows through rivers, it picks up small amounts of _____ _____ from the rocks and soil that flows into the oceans. | mineral salts |
| When ocean water _______ it leaves behind the salt. | evaporates |
| The two most abundant elements in the ocean water are ___ and ___. | sodium and chlorine |
| Water is made of these two elements. | Hydrogen and oxygen |
| The study of the oceans is called ___. | oceanography |
| Under water volcanic mountains are called __. | guyots |
| land from the continent's edge to ocean floor is | continental slope |
| narrow, very deep valleys in the ocean | trenches |
| flat, nearly level areas in the ocean | abyssal plains |
| valleys between ridges | rifts |
| The line which marks the edge of ocean water on land is called the | shoreline |
| Of what features do great underwater mountain ranges consist? | ridges |
| The above water portions of underwater mountains are | islands |
| The steps of the water cycle are | evaporation, condensation, precipitation |
| amount of dissolved salts in ocean water | salinity |
| affects the surface salinity of ocean water | evaporation and rain |
| refers to the amount of matter in a given volume of a substance | density |
| Which is more dense salt water or fresh water? | salt water |
| The top of a wave is the | crest |
| The bottom of a wave is the | trough |
| A measure from crest to crest or trough to trough is | wave length |
| A measure from the trough to the crest, straight up is the | wave height |
| Water mixed with air forms the | whitecap waves |
| This is air bubbles separated by a film of liquid | sea foam |
| ____ of all volcanic activity on Earth occurs in the ocean | 90% |
| Waves are a transfer of | energy |
| What causes waves? | Wind |
| Does water travel with the wave? | No |
| What two factors affect the size of waves? | How hard and how long the wind blows |
| Which tide is the highest? Spring or Neap | spring |
| These tides happen when the sun and moon form a right angle with the Earth. | Neap |
| Means self-contained underwater breathing apparatus | SCUBA |
| Divers keep their bodies warm by wearing | wet suits |
| The ______ helps keep a scuba diver from rising to the surface. | weight belt |
| The base of the food web | phytoplankton |
| Microscopic animals that eat phytoplankton | zooplankton |
| What is the largest ocean? | Pacific |
Created by:
kdcribb
Popular Earth Science sets