| A | B |
| What is the crest of a wave? | The top of a wave. |
| What is the trough of a wave? | The bottom of a wave. |
| What is the tidal range? | The difference in high tide and low tide. |
| What is a tide? | The periodical change in the sea level. |
| What is a breaker wave? | When the bottom of a wave outruns the top of a wave. |
| What is a reef ? | A colony of corals. |
| What is a benthos? | An animal that lives on the bottom of the ocean floor. |
| What are plankton ? | Animals that drift on the ocean surface? |
| What is a beach? | Deposits that are deposited parallel to the shore ? |
| What is a basin? | A pit or a valley that water settled in. |
| What is a current that is not caused by wind? | Density Current |
| What causes surface currents? | Wind |
| What percentage is salt in ocean water? | 3.5% |
| What are waves?. | Movements in water that constantly rise and fall. |
| What is the difference in tides? | Tidal Range |
| Which way do particles in a wave move? | In a circular pattern. |
| The horizontal distance within 2 waves is the? | Wave length. |
| The vertical distance from the trough and crest of a wave is the? | Wave height. |
| What are 3 things that affect the height of a wave? | Length of time the wind blows,and the speed and distance the wind blows. |
| Which way does the energy in a wave move? | Forward |