ES: Plate Tectonics Unit Review- MUST PLAY 2

Question 1

The theory that Earth is divided into moving plates.

Accepted Answer

Plate Tectonics

Question 2

The heating, rising, cooling, & sinking of magma in the mantle that causes plates to move

Accepted Answer

Convection Currents

Question 3

The first step of the scientific method is...

Accepted Answer

Ask a question

Question 4

Less dense objects ________ in more dense substances.

Accepted Answer

float

Question 5

Large pieces of lithosphere that move around on the Earth's surface are called

Accepted Answer

Tectonic Plates

Question 6

Similar fossils and mountain ranges found on different continents is evidence for

Accepted Answer

Continental Drift

Question 7

The oceanic crust is ___________ and ____________ than the continental crust.

Accepted Answer

thinner and more dense

Question 8

To find an object's density, you must first find its what?

Accepted Answer

mass and volume

Question 9

When one plate slides under another and is recycled back into the mantle

Accepted Answer

Subduction

Question 10

The Lithosphere is the crust and upper most part of the mantle; it floats on the

Accepted Answer

Asthenosphere

Question 11

Plate movement is thought to be caused by

Accepted Answer

Convection Currents

Question 12

The independent variable in an experiment is the variable you...

Accepted Answer

change

Question 13

Boundaries where plates come together

Accepted Answer

Convergent

Question 14

Boundaries where plates spread apart

Accepted Answer

Divergent

Question 15

The process by which new oceanic lithosphere forms at mid-ocean ridges.

Accepted Answer

Seafloor Spreading

Question 16

Boundaries where plates slide past each other

Accepted Answer

Transform

Question 17

The hypothesis that states the continents were once a large mass that broke apart.

Accepted Answer

Continental Drift

Question 18

The name of the large land mass that Alfred Wegner proposed

Accepted Answer

Pangaea

Question 19

Warm magma rises while cooler magma sinks because differences in

Accepted Answer

Density

Questions 19