Climate is the usual weather

conditions in a place over

a long period of time.

Gravity is the force the objects apply on

each other because of their mass.

Density is the measurement giving mass per unit of volume of a substance.

hypothesis

A hypothesis is a possible explanation for something that can be tested in some way.

Mantel is an  

area of hot rock that

flows beneath the surface

A mid-ocean ridge is a  

long, underwater mountain range.

Tectonic plates are 

slabs of rock that make

up Earth’s crust.

The lithosphere is  

all of Earth’s crust and

some of the liquid rock

beneath it.

(think about an egg)

The core is a 

ball of hot metals at

Earth’s crust.

Pangaea is the ancient landmass that

included all the continents

joined together.

What are four type of evidence

that plates move?

·       Climate

·       Fossils

·       Rock types

·       Mid-ocean ridges

How do plates move to form

mountains on land?

Plates move past each other

or on top of each other.  When

they do, they move in a jerking

way causing earthquakes.

How does hot rock near mid-ocean

ridges cause late to move?

Rising liquid rock breaks thorough

Earth’s crust and pushes the plates.

What causes plate motion?

At what boundary do plates

move away from each other?

What are the three main

layers of Earth?

·       Crust

·       Mantel

·       Core

What are two types of

evidence that support

the tectonic plate theory?

·       Shape of the continents

·       Location of volcanoes

How long did it take the

Earth’s surface to change?

What are the pieces of

the lithosphere called?

What are mid-ocean ridges?

Mid-ocean ridges are underwater

mountain ranges.

Where is the youngest rock found?

How far do tectonic plates

move each year?