Earth rotates around the _____.
axis
What causes seasons?
the Earth's tilt
What is the inner most part of the Earth?
core
What are two types of weathering?
chemical and mechanical
Huge blocks of Earth's crust are called?
plate tectonics
What is caused by the Earth's rotation?
day and night
When summer is occurring in the northern hemisphere, what season is in the southern hemisphere?
winter
What part of the Earth do humans live on?
crust
What is the breaking down of rocks into smaller particles?
weathering
How many inches do plate tectonics move each year?
1-2 inches
How long is one rotation of the Earth?
24 hours
solstice
What is the layer around the core called?
mantle
What is the movement of dirt, rocks, and sand to another place?
erosion
What happens when plate movements forces crust apart and melting rocks rise?
volcano
The earth starts earlier ______ to _______. (directions)
east, west
What has an equal amount of sunlight and darkness?
What part of the core is liquid-- inner or outer?
outer
What is the process of depositing eroded material?
deposition
What happens when plates rub against each other?
earthquakes
How many time zones are there on Earth?
24
Name the four seasons on Earth.
summer, winter, fall, spring
What is the inner core solid?
pressure
What type of weathering changes the chemical composition?
chemical weathering
How many planets are there?
8