Unit 2 Exam: Molecules: Beat the Teacher

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