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Life Science 1.1.1-1.1.4

Across
Substance that can't be simplified
The use of science in a practical way
Your hair and skin are mostly made of _________
Where an organism lives
He did a famous experiment with meat and maggots
These can be complex or simple
Steady state, but constant change
_______ acids are DNA and RNA
One of the 5 needs of organisms
He created some of the chemicals of life, but not life
Down
The sum of all the chemical activities in a cell or organism
All living things ultimately get their energy from the ____.
The use of gases to get energy
He used a swan-necked flask in his experiment
Results when 2 or more elements are chemically combined
Fats and oils
Compound that contains carbon
Blood is mostly _____