layers of the earth
Earth's interior is generally divided into three major layers
the crust, the mantle, and the core.
What is the lightest form of matter?
Gas
Non living factors in a ecosystem.
abiotic factors
What are the four seasons?
how big is space
unknown
The largest layer of the earth.
mantle
The second densest state of matter particles can move freely and slide past each other.
liquid
living factors in a ecosystem.
biotic factors
The first and last season of the year.
winter
what is the 3rd planet from the sun?
Earth
what is the purpose of the core.
responsible for the generation of Earth's magnetic field.
The state of matter that is the most dense and particles can not move freely.
solid
water is a ___.
abiotic factor
summer
How long does it take for the earth to make a full revolution around the sun.
1 year (365 days)
The crust is _______.
thin and solid
The least dense state of matter particles can move freely at high speeds
gas
A tree is a ____.
biotic factor
The season after winter.
spring
what planet in our solar system has rings.
Saturn
how is the inner core solid.
from extreme pressure.
Who discovered matter?
Greeks philosophers
A ecosystem contains both ________.
biotic factors and abiotic factors
The season before winter called fall is also called ___.
autumn
uy scuti