Physical And Chemical Changes Flashcards
1
Q
Chemical change
A
Changes a substance into a new form
2
Q
Four organic molecules
A
Carbohydrates
Lipids
Proteins
Nucleic acids
3
Q
What element do all organic compounds contain
A
Living organisms are comprised of organic compounds, molecules built around the element
4
Q
What do carbohydrates and proteins turn into once broken down
A
Glucose
5
Q
What is the main scourge for all living things
A
Sun
6
Q
Physical change
A
Affects the form of a substance
-ice cube melting
