The process in which a solution is separated without losing any of the components.
What is the Distillation Process?
100
A living thing that is small and must be viewed with the help of a microscope.
What is a micro-organism?
100
A sequence that shows how energy and nutrients are transferred from one organism to another in an ecosystem.
What is a food chain?
100
A person who carefully manages a resource by taking responsibility for their actions and educating others.
What is a steward?
200
Particles move faster and spread farther apart when you do this.
What happens when you heat particles?
200
This industry uses sieves, magnets, and vacuum extractors to remove impurities from wheat.
What is the flour industry?
200
A group of similar organisms that can mate and reproduce more of the same type of organism.
What is a species?
200
A model that shows how food chains in an ecosystem are connected.
What is a food web?
200
A series of gradual changes that result in the replacement of one community of plants and animals by another.
What is succession?
300
A type of matter that contains only one kind of particle.
What is a pure substance?
300
An example of this method of separation is removing pasta from water.
What is filtering?
300
The network of interactions that link the living and non-living parts of the environment.
What is an ecosystem?
300
An organism that makes its own food from non-living materials.
What is a producer?
300
A species that has been introduced into an area (accidentally or purposely) where it did not exist before: often reproducing so aggressively that it replaces some of the original species.
What is an invasive species?
400
Air fills the space between these.
What are particles?
400
Primary, secondary, and tertiary treatments are the stages used in what type of treatment?
What is sewage treatment?
400
The study of relationships between organisms, and between organisms and their environment.
What is ecology?
400
The sun’s energy, water, carbon dioxide, and oxygen and ingredients of this.
What is photosynthesis?
400
Reduce, reuse and recycle are these.
What are the environmental "Three R's"?
500
This is known as the "Universal Solvent"
What is water?
500
A device used to separate mixtures with visible holes to bock big objects.
What is a sieve?
500
A substance that an organism needs to grow and maintain its body.
What is a nutrient?
500
A model that shows the number of individuals at each level in a food chain or food web.
What is a pyramid of numbers?
500
The experience, wisdom, and practices gained by Aboriginal peoples over many generations.