Rapid Changes
An opening in earth's surface that allows lava, dust, ash, and smoke to come out of it.
volcano
Something found in nature that is useful.
Natural Resources
The top layer of soil is called what?
top soil
To take something and make it into something new
recycle
The four layers of earth are called
crust, mantle, outer core, inner core
When dry land moves down a slope.
Landslide
Taking natural resources and making them into something useful.
man made products
When rocks break down into smaller pieces because of wind, water, or ice this is known as what?
weathering
To take an item and use it again or give it to someone else to use.
Reuse
Name 3 things you can do at school to save resources
bring a reusable water bottle, big your lunch in a lunch bag (not paper), Use both sides of a sheet of paper, recycle items
A shaking of earth's crust caused when the plates move.
earthquake
Name 3 natural resources
trees, water, rocks, soil, oil, coal, natural gas, air, sun, plans, animals
When remains of plants and animals decay and become part of the soil. This is known as what?
Decaying, decomposition
When we cut back on using something....for example, turning off the lights.
reduce
The earth's crust is broken into pieces called
Plates
What are 3 things that cause landslides and mudslides?
gravity, too much rain, earthquake and volcanoes
Name 3 items that can be made from trees.
furniture, pencils, paper, cardboard boxes, swing sets, homes,...........
Most of earth's surface is covered with what?
water 70%
This is the practice of saving our natural resources
Conservation
What state in the United States has the most earthquakes?
Alaska
How does the lava that comes from volcanoes change the earth's crust?
These natural resources come from plants and animals that died long ago.
fossil fuels
This is the decayed parts of plants and organisms that mix in the soil to make very good for growing plants.
humus
How much garbage does a single person make in a day?
About 4 pounds
What are something things that cause weathering?
ice, wind, moving water, tree roots