UNIT 1: Investigate Matter
Anything that has mass and takes up space is:
matter
mass
Examples of abiotic factors:
Air, water, soil, rocks, and light
Examples of biotic factors:
Plants, animals, fungi and bacteria
All water on Earth is recycled through?
the water cycle
A physical combination of two or more substances is a:
mixture
a characteristic that can only be observed when the type of matter changes is:
chemical property
is made up of all living and nonliving things in an environment
The ecosystem
organisms that break down plant and animal matter are
decomposers
Rivers, aquifers, lakes and reservoirs are:
freshwater sources
Mixture that is not uniformly mixed together is
a heterogeneous mixture
The states of matter are:
The job of the decomposers is their
niche
an animal that hunts other animals for food is
a predator
What are the three R's?
Reuse, Reduce and Recycle
The maximum amount of a substance that can be dissolved by another is
solubility
when one substance is dissolve in another and are completely blended
solution
animal haunted or caught for food is
a prey
are organisms that create food from inorganic matter
the producers
The practice of using resources wisely is:
conservation
change in size, shape or state, but does not change the matter
Physical change
Change that produces new matter with different properties from the original
Chemical change
can harm the environment by growing and spreading quickly
Invasive species
Plants produce sugar and oxygen with?
carbon dioxide, water, and light energy
When gases such as sulfur dioxide and nitrogen oxide react with water, oxygen, and other chemicals they form:
acid rain