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
Science Duh
Evan Kilkenny
| Question | Answer |
|---|---|
| what is cohesion? | the attraction among molecules that are alike. |
| what is adhesion? | the attraction among molecules that are not alike. |
| what is polarity? | a condition in which opposite ends of a molecule have slightly opposite charges but the overall charge is neutral. |
| true or false? the density of ice is lower than the density of the same volume of liquid water. | true |
| true or false? the particles of liquid water are closer together then the particles of the same volume of frozen water. | true |
| in which states of matter can water exist in nature on Earth? | solid, liquid, gas |
| true or false? the density of fresh water is lowest at 4 degrees celsius. | false 0 degrees celcius is the lowest |
| why is water sometimes called the universal solvent? | because so many substances can dissolve in water. |
| What is salinity? | A measure of the mass of dissolved solids are in the mass of water |
| Identify five of the earths oceans. | Pacific, Atlantic, Arctic, Southern, Indian |
| What are the abyss plains? | Large flat areas of fseafloor |
| What are mid-ocean ridges? | Sea floor where tectonic plates pull apart. |
| What are ocean trenches? | Where tectonics plates collide continental plates |
| Describe the surface zone | Shallow water where most sunlight occurs |
| Describe the middle zone | Where most light waves occur. (Little faint light) |
| Describe the deep zone | No light where most deep sea animals live |
| Why are rivers near oceans sometime salty? | Because the salt in the water wants to go to less concentrated places of water so the ocean salt goes to the river water. (Osmosis) |
| What is an ocean current? | a large volume of water flowing in a certain direction. |
| Fill in the blank. Prevailing winds influence the ___ and ____ of surface currents. | Formation and Direction |
| What is an gyre? | Circular systems of currents |
| Fill in the blank. Surface currents move water ___ and reach depths of ___ or more. | Horizontally and 400 m |
| Identify 5 major gyres. | North Pacific, North Atlantic, South Pacific, South Atlantic, Indian |
| How do surface currents affect the weather and climate? | It effects the moisture and density in the air and the temps true around it |
| Fill in the blank. ____ in the Pacific and Indian Oceans bring cold water to the ____ where it is ____ by the sun | Wellings, bottom, warmer |
| Fill in the blank. Cold, dense water ____ near the poles and travels along the ______ | Sinks, sea floor |
Created by:
Evz34
Popular Science sets