Earth in Space
Why Seasons?
Earth's Structure
Forces
Shaping The Land
100

Earth rotates around the _____.

axis

100

What causes seasons?

the Earth's tilt

100

What is the inner most part of the Earth?

core

100

What are two types of weathering?

chemical and mechanical

100

Huge blocks of Earth's crust are called?

plate tectonics 

200

What is caused by the Earth's rotation?

day and night

200

When summer is occurring in the northern hemisphere, what season is in the southern hemisphere?

winter

200

What part of the Earth do humans live on?

crust

200

What is the breaking down of rocks into smaller particles?

weathering

200

How many inches do plate tectonics move each year?

1-2 inches

300

How long is one rotation of the Earth?

24 hours

300
The longest and shortest day of the year are called _____.

solstice 

300

What is the layer around the core called?

mantle

300

What is the movement of dirt, rocks, and sand to another place?

erosion

300

What happens when plate movements forces crust apart and melting rocks rise?

volcano 

400

The earth starts earlier ______ to _______. (directions)

east, west

400

What has an equal amount of sunlight and darkness?

equinox 
400

What part of the core is liquid-- inner or outer?

outer

400

What is the process of depositing eroded material? 

deposition

400

What happens when plates rub against each other?

earthquakes 

500

How many time zones are there on Earth?

24

500

Name the four seasons on Earth.

summer, winter, fall, spring

500

What is the inner core solid?

pressure

500

What type of weathering changes the chemical composition? 

chemical weathering 

500

How many planets are there?

8