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WorksheetsBiology Module 5 Quiz
Total questions: 20
Worksheet time: 40mins
What is a change that affects the appearance but not the chemical makeup of a substance
chemical change
physical change
phase change
molecular change
What do we call a collection of atoms that all have the same number of protons?
an atom
a molecule
an element
an isomer
The random motion of molecules from an area of high concentration to an area of low concentration is....
osmosis
diffusion
physical change
chemical change
If an atom has 8 protons, how many electrons does it have?
6
8
10
you can't tell unless you know what atom it is
How many total atoms are in H2O4S?
6
7
8
9
Which of the following is necessary for photosynthesis?
Carbon dioxide
Sunlight
Water
All of the above
What is the balanced chemical equation for photosynthesis?
6CO2 + 6H2O --> C6H12O6 + 6O2
CO2 + 6H2O --> C6H12O2 + 6CO2
6CO2 + 6H2O --> C6H12O + 6CO2
2 different molecules w/same chemical formula (glucose & fructose)
isomer
monosaccharide
polysaccharide
disaccharide
What is a lipid?
a fat
an organic element
a skinny
a medium-sized
What part of the chemical equation is the reactant?
C4H8----> H9O18
C4
H9O18
C4H8
O18
What does an organic molecule have to have?
Hydrogen
Carbon
Sulfur
None of the above
Anything that takes up space and has mass
matter
matilda
stuff
hatter
Chemicals that result from atoms linking together
elements
molecules
moles
atoms
A change that alters the makeup of the elements or molecules of a substance
chemical change
physical change
radical change
alternative change
One of three forms (solid, liquid or gas) which every substance is capable of attaining
model
elements
place
phase
A membrane that allows some molecules to pass through but not other molecules
semipermeable membrane
semipermanent membrane
unpermeable membrane
A substance that alters the speed of a chemical reaction but is not used up in the process
catabolic
catalytic
catalyst
dogalyst
A special class of proteins that act as catalysts for many chemical reactions that support life
enzymes
carbohydrates
lipids
nucleic acids
Where are the protons located in the atom?
in the nucleus
outside the nucleus
A covalent bond ____________ electrons between 2 elements
shares
donates
