| A | B | 
|---|
| 5.6 - What is the flat sea floor called? | Abyssal Plain | 
| 5.6 - What is the zone of shallow water between the shore and the continental slope? | Continental Shelf | 
| 5.6 - What is the flow of water from one place to another called? | Currents | 
| 5.6 - What is the deepest feature in the ocean? | Trench | 
| 5.6 - What are microscopic organisms in the ocean? | Plankton | 
| 5.6 - What are sand, clay, silt, mud and small rocks? | Sediments | 
| 5.6 - What are large deep sections of the ocean called? | Basins | 
| 5.6 - What is a mound of sediments at the base of the continental slope? | Continental Rise | 
| 5.6 - What is the steep area between the ocean floor and the continental shelf? | Continental Slope | 
| 5.6 - What is a warm current off the Virginia coast? | Gulf Stream | 
| 5.6 - What are microscopic plants in the ocean? | Phytoplankton | 
| 5.6 - What is the amount of salt in the ocean called? | Salinity | 
| 5.6 - Oceans cover approximately what percent of the Earth's surface? | 70% | 
| 5.6 - What causes the twice- daily rise and fall of sea level? | Tides | 
| 5.6 - Most waves are caused by what? | Wind | 
| 5.6 - What happens to pressure as you go deeper? | Increases | 
| 5.6 - Approximately how many high tides occur every day? | 2 | 
| 5.6 - Why can't scuba divers explore the deep ocean floor? | High pressure would crush them | 
| 5.6 - What is the most common dissolved solid in the ocean? | Salt (sodium chloride) | 
| 5.6 - What is the main cause of tides? | Moon's Gravity | 
| 5.6 - What happens to temperature as you go deeper in the ocean? | Decreases | 
| 5.6 - Why do plants only live near the top of the ocean? | They need sunlight | 
| 5.6 - What organisms are the base of the ocean ecosystem? | Phytoplankton | 
| 5.6 - Compared to the middle of the ocean, describe the salinity near where a river enters the sea? | Less salinity | 
| 5.7 - What is Earth's thinnest layer? | Crust | 
| 5.7 - What do we call it when tectonic plates pull apart? | Divergent Boundary | 
| 5.7 - What is it called when wind, water or glaciers carry away soil and rocks? | Erosion | 
| 5.7 - What do we call remains or evidence of past life, preserved in rock? | Fossil | 
| 5.7 - What is the largest of Earth's layers? | Mantle | 
| 5.7 - What type of rock forms from magma or lava? | Igneous Rock | 
| 5.7 - What do we call it when tectonic plates push together? | Convergent Boundary | 
| 5.7 - What is the shaking of the land caused by plate movement? | Earthquake | 
| 5.7 - Whatisacrackinthe land where movement has occurred? | Fault | 
| 5.7 - What is the center of the Earth called? | Inner Core | 
| 5.7 - Which layer is liquid and is third from the surface? | Outer Core | 
| 5.7 - Which rock forms when rocks are exposed to heat and pressure? | Metamorphic Rock | 
| 5.7 - What is a huge chain of underwater mountains that form at divergent boundaries? | Mid-Ocean Ridge | 
| 5.7 - What do we call the changes that rocks go through? | Rock Cycle | 
| 5.7 - What do we call the sections of Earth that are moving around? | Tectonic Plates | 
| 5.7 - What is an opening in the Earth where lava escapes? | Volcano | 
| 5.7 - What is the age of Earth? | 4.6 billion years | 
| 5.7 - Of what is the crust composed? | Rock | 
| 5.7 - What is a naturally occurring solid that is made of minerals? | Rock | 
| 5.7 - Which rock is made from bits of other rocks stuck together? | Sedimentary Rock | 
| 5.7 - What is the deepest feature of the ocean floor? | Trench | 
| 5.7 - How are rocks broken down into pieces? | Weathering | 
| 5.7 - Of what is the center of Earth composed? | Iron and Nickel | 
| 5.7 - What causes the plates to move? | Heat inside Earth (convection) |