Matter and energy
The three states of matter are
solid, liquid, gas
What pulls a ball back to earth?
gravity
the breaking down of rock on Earth's surface is called
Weathering
The definition of natural resources is
Living and nonliving things found on Earth that people need
Electrical conductors do what
lets the flow of energy through
What would be the best way to separate salt from water
boil it to evaporate the water
A _____ moves an object closer to you
pull
the movement of sediments is called
Erosion
If a resource is renewable it
will NOT run out
Electrical Insulators do what
stop the flow of energy
Gases are defined as
something that does not have a definite shape or volume
A push or pull that causes an object to move, stop, or change direction is called
the dropping off of sediments in a new place is called
deposition
Renewable resources are what 3 things
soil, air, and water
The sun produces what 2 energies
light and thermal
What did we use to separate sand and water
coffee filters
By changing the surface over which the car rolls from sandpaper to wax paper, you might be able to test the effect of what force?
friction on an object
long
Why is water classified as a renewable rather than a nonrenewable resource? Water is classified as renewable because it -
can constantly be replaced by the water cycle
electrical, light, and sound
Liquids are defined as having
a definite volume but no definite shape
When an object changes its path of motion, it changes
The Grand Canyon was created by...
erosion
Fossil fuels include coal, oil, and natural gas. Fossil fuels are classified as nonrenewable because they
take millions of years to be replaced
What are all of the types of energy?
(Think MELTS)
Mechanical, electrical, light, thermal, sound