This is the smallest unit of an organism that can be considered alive
What is a cell?
100
Water is made out of these two elements.
What is hydrogen and oxygen?
100
These are the three parts of an atom.
What is proton, neutron, and electron?
100
This type of chemical compound gives off H+ (hydrogen) when mixed with water
What is an acid?
100
This is the smallest unit of matter.
What is an atom?
200
Two types of reproduction
What is asexual and sexual reproduction?
200
This is why water is a polar molecule.
What is "there is an uneven distribution of charges". There is a slight negative charge near the oxygen and slight positive charge near the two hydrogens.
200
This is the charge of a proton.
What is positive?
200
This chemical compound gives off OH- when mixed with water.
What is a base?
200
Water has ______ protons.
What is 10? 2 from hydrogen and 8 from oxygen.
300
Genetic code for inherited traits?
What is DNA (deoxyribonucleic acid)
300
Attraction of molecules of the same type
What is cohesion?
300
The nucleus of an atom is made of these two parts.
What are protons and neutrons?
300
This scale measures the amount of H+ in a chemical compound.
What is the pH scale?
300
This is how consumers obtain energy.
What is "eating other organisms"?
400
Homeostasis
What is a process where an organism maintains a stable internal balance so life can continue?
400
Attraction of molecules of a different type
What is adhesion?
400
A list of elements are found on this chart.
What is the periodic table of elements?
400
Substances with this pH are neutral.
What is 7?
400
These are the 6 elements most commonly found in living organisms.
What are carbon, phosphorus, sulfur, nitrogen, oxygen, and hydrogen?
500
This is how producers obtain energy.
What is photosynthesis?
500
The oxygen atom of a water molecule is attracted to ____ atom of another water molecule.