| A ____ is an elongated whale-shaped hill formed by a glacier. |
core |
| The tide stages are flood tide, high tide, ____ tide, and low tide. |
drumlin |
| The Earth's ____ is composed of hot iron and nickel. |
ebb |
| The Earth is between the Sun and the Moon during a ____. |
full moon |
| The soil and rock debris deposited by a glacier is called ____. |
mantle |
| The Earth's ____ is mostly solid rock between its crust and core. |
moraine |
| Clay, humus, sand, and ____ (quartz grains) are found in soil. |
nitrogen |
| The Earth's atmosphere is mostly ____ and oxygen (O2) gasses. |
silt |
