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CHDV 130 Final Activity

Across
A number of stars in a fixed group
Capable of being decomposed by biological means
When water turns to vapor
Reusing existing materials
Coal, water, oil, gas
An area of land where garbage is stored
Water vapor into liquid
A living thing
A characteristic used to describe something
series of changes in form that an organism undergoes, returning to the starting state
Inorganic substances that occur naturally in the earth
Down
All of the characteristics and circumstances that make up our surroundings
A change in which substances mix and form something new
Animals with no spine
An activity to show children the five main food groups and balanced diet
When the appearance of something changes, this change is reversible
Igneous/metamorphic rocks formed through pressure or heat
Hardened remains of animals or plants
Condition of the atmosphere
Building blocks of knowlegde