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Physical and Chemical Changes
Mechanical and Chemical Digestion
Chemistry
Organelles & Body Systems
100
A carbon atom is bonded with an oxygen atom.
What is an inorganic compound?
100
A change where a new substance is formed.
What is a chemical change?
100
Two types of change that occur in the mouth.
What are physical and chemical change?
100
A pure substance that cannot be broken down into a simpler form.
What is an element?
100
The function of the nucleus is to give instructions to the cell, this is similar to...
What is the nervous system?
200
Law of Conservation of Energy.
What is energy cannot be created or destroyed only transferred?
200
The rusting of an iron nail.
What is chemical change?
200
This type of digestion occurs in the mouth and the stomach.
What is mechanical digestion?
200
Two or more atoms bonded together.
What is molecule?
200
The cell membrane acts as the "gatekeeper" in the cell, this is similar to...
What is the integumentary system?
300
http://www.bbc.co.uk/staticarchive/03a44d2361f0ba70f3631a38ed29ca1a9f80e33d.gif
What are compounds?
300
Butter melts on warm toast.
What is a physical change?
300
The type of change when food enters the small intestine it is broken down.
What is chemical change?
300
Two or more different elements bonded together.
What is a compound?
300
Mitochondria provides energy for the cell, this is similar to...
What is the digestive system?
400
A carbon atom is bonded with four hydrogen atoms.
What is an organic compound?
400
A carton of milk goes sour.
What is a chemical change?
400
Peristalsis causes chewed food to be transported from the mouth to the stomach. This is type of digestion is...
What is mechanical digestion?
400
Most important element to look for when identifying organic compounds.
What is carbon?
400
Cytoplasm holds the other organelles in place and allows material to be transported inside the cell, this is similar to...
What is the skeletal system and the circulatory system?
500
http://www.bbc.co.uk/staticarchive/64cec0d9d1c99539a6b570e1a3c67836d1dfde46.gif
What is a mixture of elements and compounds?
500
A substance is pulverized (smashed) into a powder and then mixed with a liquid which begins to bubble. (Hint - Explain the change(s) that occurred.)
What is physical change and chemical change?
500
Digestive enzymes in saliva and the stomach cause food to break down into simpler compounds like sugars, fats, protein and carbohydrates. This type of digestion is...
What is chemical digestion?
500
C-H-O-N-P-S
What is carbon, hydrogen, oxygen, nitrogen, phosphorus and sulpher?
500
The cell wall protects and provides the shape of the cell, this is similar to...
What is the skeletal system?
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