Earth-Space Science, Week 1 (Structure of the Earth)

Who is the scientist who earned his doctorate in astronomy by the time he was 24 years old? He went on to form a theory that Earth's continents float on our planet's surface like giant plates.

• Albert Einstein

• Alexander Fleming

• Alfred Wegener

• E.J. Patten

What is the machine that is used to measure and record details of earthquakes?

• seismograph

• telescope

• microscope

• hygrometer

Which scientific theory is not illustrated by the world map of the Earth's plates in the given picture?

• the theory of seafloor spreading

• the theory of continental drift

• the theory of relativity

• the theory of plate tectonics

Which of the following facts would best complete the volcano web?

• cause tsunamis

• only erupt under the ocean

• are only found on the borders of the Earth’s tectonic plates

• formed the country of Japan

Where is the newest rock on Earth formed?

• in mid-ocean ridges

• under glaciers

• under the ocean near the continents

• on tops of mountains

Which of the following would most likely be caused by a tsunami?

• mountain formation

• island formation

• seafloor spreading

• reshaping of the shoreline

Which of the following forces would take the longest amount of time to change the surface of the Earth?

• volcano

• earthquake

• tsunami

• seafloor spreading

What do we call someone who studies earthquakes?

• botanist

• geologist

• seismologist

• paleontologist

How might the areas of solid iron floating over the Earth's molten core affect our planet's spin?

• They slow it down.

• They speed it up.

• They make it spin from left to right.

• They give it a slight wobble.

Which of the Earth's layers is the thickest?

• core

• mantle

• crust

• atmospher