WorksheetsUnit 2 Exam: Molecules: Beat the Teacher
Total questions: 23
Worksheet time: 1hrs 9mins
What does this image represent?
Atom
Mickey Mouse hat that you get at Disney Land!
Molecule, specifically, a water molecule
Marshmallows
What is the chemical formula for this molecule?
CA
CO2
OC
CD
A molecule is ______________________ stuck together, usually through ____________________ .
a group of people / gorilla glue
a group of atom / gorilla glue
a group of atoms / chemical bonds
bunch of spheres / chemical bonds
Different types of ____________ can form different types of _____________________ .
hydrogens / chemical bonds
atoms / chemical bonds
atoms / colorful spheres
colorful spheres / chemical bonds
When atoms bond to form molecules, like the water molecule, the atoms become __________ because the they fill the number of electrons in the outermost orbital.
reactive
happy
stable
freaked out
Food is a source of large molecules needed to sustain our life. These large molecules are called _________________ .
biomolecules
bio baby bunting
biologically impossible
Big Macs
Lipids, carbohydrates, nucleic acids and __________ are all examples of biomolecules.
rocks
salt
cake
proteins
Lipids are better known as ________ .
fungus
fabulous
Fantastic Four
fats
For this question, you MUST pick three (3) answers.
Identify the THREE functions of lipids from the list below.
insulation
long term energy
enzymes
short term energy
cell membrane composition
What is the chemical formula for Carbon Monoxide?
Co
CO2
OC
CO
How many Nitrogen atoms are there?
1
2
3
4
Ball and stick models (which we used in class) highlight the ________ between atoms.
bonds
bands
bubbles
pretzels
Even though atoms are small, huge ______________ can form if _____________ happen to be properly arranged.
bubbles/ bonds
molecules / bubbles
monsters / bonds
molecules / bonds
Glucose is a _________ molecule with a total of 24 atoms; 12 ____________, 6 __________, and 6 __________.
sugar . hydrogen . carbon . oxygen
sugar . helium . cadmium . oxygen
protein . hydrogen . carbon . oxygen
fatty acid . hydrogen . carbon . oxygen
A water molecule (H2O) contains a total of ___ atoms.
1
2
3
4
What's the chemical formula for water?
What is H2O
What is H3O
CO2
NH3
_______________________ are a great, fast source of ______________ .
Carbohydrates / energy
Lipids / energy
Proteins / energy
Carbohydrates / happy meals
What is the chemical formula of this molecule?
CH4
CH3
C2H4
NH3
How can only 92-95 natural elements create the millions of things we have?
Two elements can combine to make a thing. So there are 92x2 possibilities.
There are really only 95 things on Earth.
The elements can be combined in unlimited proportions and quantities to create millions of things.
When elements combine they make unlimited kinds of atoms.
What are the building blocks of most biomolecules(nucleic acids, proteins and carbohydrates) called?
polymers
trimonomers
dimonomers
monomers
What is the monomer of a carbohydrate?
disaccharide
monosaccharide
polysaccharide
mononucleosis
For this question, you MUST choose three (3) answers.
What are three (3) functions of protein?
acting as enzymes
muscle development
making powered supplements
fast energy
working in the immune system
