Survey of the Seas

Geology
Weathering and Erosion
Fossils and Evolution
Random
100

The dangerous currents formed when large amounts of water from waves surge out to sea through a break in a sandbar are called ______________

Rip currents 

100

What gemstone consists of corundum with traces of iron or titanium that give it a distinctive blue color?

Sapphire 

100

Based on biblical teachings, what event was probably directly responsible for laying down most of Earth’s sedimentary rock layers?

The Flood 

100

Fossils used by evolutionists to date rock layers are called ________________ fossils

index 

100

In an experiment, a variable observed to determine the results is a ____________________ variable

Dependent 

200

What type of underwater valley gives mid-ocean ridges the appearance of having twin mountain ranges?

rift

200

What well-known amorphous igneous rock has a glass-like temperature and splits to form sharp edges?

Obsidian

200

What method of erosion prevention involves planting alternating strips of different types of crops?

strip-cropping 

200

Which of the following was thought to be a missing link in man’s evolution but was later found to be the remains of a modern human?

Cro-Magnon Man 

200

What is any area of the sea that exceeds 6000 m in depth called?

hadal zone

300

What oceanographic tool charts currents far beneath the surface and sends back accurate measurements of those currents and water properties?

profiling float 

300

What are regions of the earth’s surface where limestone is exposed and abundant?

Karst Regions 

300

What is the top layer of soil, which contains most of the organic substances and nutrients, called?

top soil 

300

What term describes a fossil that extends through multiple strata?

polystrate fossil

300

What are the circular paths that ocean currents move in called?

gyres

400

What substance makes up most of the salt in the oceans?

Sodium Chloride 

400

At the end of the sandy, underwater plain that borders the land a sharp drop-off marks the beginning of the ___________________________

Continental Shelf 

400

The material carried by a stream is called what... 

load 

400

What technique do evolutionists use to assign supposedly exact ages to rocks and fossils?

radiometric dating 

400

What is the ability to duplicate an experiment several times while keeping all factors as similar as possible between experiments and coming to the same conclusion?

repeatability

500

The two main factors that determine the density of seawater are temperature and

Salinity

500

What method of measuring an earthquake’s strength is based on the earthquake’s effects on people and structures?

Modified Mercalli Scale 

500

What are large holes formed when huge chunks of melting glacial ice lodge in washed-out sediments?

kettles

500

The idea that understanding modern geological processes is the key to understanding the earth’s geological history is known as

uniformitarianism

500

What type of current is made of seawater mixed with mud or silt and can erode the ocean floor to produce submarine canyons?

turbidity current