Fall Midpoint DA 2 Review

What type of rock contains fossils?

• Sedimentary

• Igneous

• Metamorphic

What principle states that the geologic processes that occurred in the past are still occurring today?

• superposition

• cross-cutting relationships

• uniformitarianism

• absolute age dating

Which of the following is an example of a trace fossil?

• a trilobite

• an insect in amber

• a footprint

• a dinosaur bone

What enable scientists to find relationships among geological events, environmental conditions, and fossilized life forms?

• the rock record

• maps

• geologic time scale

• fossils

Absolute age dating enables scientists to determine the numerical age of rocks and other objects.

• True

• False

Using the law of superposition is an example of absolute age dating.

• True

• False

Salts increase the density of water.

• True

• False

In the oceans, temperature increases with depth.

• True

• False

The top part of a wave is called the ___________, while the lowest part is called the ____________.

• trough, crest

• crest, trough

• crest, wavelength

• trough, amplitude

What causes Earth's tides?

• gravitational attraction between the Earth and moon

• gravitational attraction between the Earth and sun

• gravitational attraction between the Earth, moon, and sun

• waves