click below
click below
Normal Size Small Size show me how
Science Week 26
Waves, Currents, and Tides
| Question | Answer |
|---|---|
| Tides are caused by the __________________________________. | moon’s gravitational pull on the Earth. |
| Tides are the regular | rise and fall of ocean water. |
| Tides rise and fall about . | twice a day |
| A breaker is where the top of the wave | curls over. |
| The ______________ is the lowest part of a wave. | through |
| The _______________ is the highest point of a wave. | crest |
| ________________ are flowing streams of water that move continually through the ocean in a specific direction. | Currents |
| ________________________ is caused by the movement of the earth and by the force and direction of the wind. | Surface current |
| __________________________ are naturally occurring and functions to protect the mainland from the effects of waves on shore. | Barrier Islands |
| ______________ are water- filled spaces between barrier islands. | Inlets |
| ________________are shorelines made of sand. | Beaches |
| ____________________ is the number of waves that pass somewhere in a second. If the wavelength of a wave is increased the frequency will decrease. | Frequency |