| Questions | |
| Frequency is measured in the unit _______ | |
| Waves carry _______ from place to place | |
| ________ ________ get energy from the sun in form of very old plants and anaimals that got their energy from the sun | |
| 25% of sun's rays are ____________ by clouds | |
| The sun provides energy for ________ energy because it starts movement of the water cycles | |
| 5% of sun's rays are ____________ by the ground | |
| A small section of a wave is called a wave_______ | |
| The number of waves per second is the _______ of the wave | |
| __________ is direct heat from the ground after being heated by the sun | |
| __________ is direct heat from the sun | |
| The bottom of a wave is the ________ | |
| Another way to find amplitude is the measure from crest and trough and _________ __ __ | |