Module 1 Quiz 1

A  nonpolar covalent bonds

B  polar covalent bonds

C  hydrogen bonds

D  ionic bonds

A  increases slightly

B  decreases slightly

C  stays the same

A  solid

B  liquid

C  gas

A  increasing the ocean temperature

B  decreasing the amount of carbonate ions

C  increasing the H+ ion concentration

D  decreasing the H+ ion concentration

A  contracts

B  expands

C  evaporates

D  becomes more dense

A  2

B  10

C  1

D  100

A  O2

B  H2

C  CH4

D  H2O

A  ionic bond

B  hydrogen bond

C  covalent bond

D  van der Waals interaction

A  approximately 16 grams

B  approximately 16 amu (daltons)

C  approximately 8 amu (daltons)

D  approximately 8 grams

A  number of valence electrons

B  mass number

C  number of neutrons

D  total number of electrons

A  16 protons

B  16 neutrons

C  8 protons and 8 neutrons

D  16 protons and 16 neutrons

A  nitrogen

B  iron

C  calcium

D  sodium

A  means that an experiment will be repeatable

B  helps the scientist determine whether a treatment has a significant effect on the experimental group

C  provides extra experimental subjects

D  is required for the development of an “If . . . then” statement

A  plants

B  fungi

C  mammals

D  animals

A  the organization of life

B  mutualism

C  natural selection

D  an emergent property

A  a population

B  the biosphere

C  a biological community

D  an ecosystem

A  kinetic energy

B  oxygen

C  chemical energy in glucose molecules

D  carbon dioxide and water

A  acids

B  sodium (Na+) ions

C  bases

D  water molecules

A  dissociates completely

B  is a strong buffer

C  increases the pH

D  acts as a base

A  high specific heat

B  adhesion

C  evaporative cooling

D  high surface tension

A  NaCl dissolves more in pure water

B  NaCl dissolves more in methanol

A  gas

B  liquid

C  solid

A  two atoms share a pair of electrons equally

B  two atoms share a pair of electrons unequally

C  two atoms share a pair of protons equally

D  one atom transfers an electron to another atom

A  sharing a pair of electrons between two atoms

B  sharing a pair of protons between two atoms

C  sharing a single electron between two atoms

D  transferring an electron from one atom to another

A  NaCl

B  O2

C  H2

D  N2

A  a hydrophilic bond

B  a hydrogen bond

C  a covalent bond

D  an ionic bond

A  atomic number

B  number of protons + neutrons

C  protons

D  number of electrons

A  carbon, oxygen, phosphorus, hydrogen

B  carbon, sodium, hydrogen, nitrogen

C  oxygen, hydrogen, calcium, nitrogen

D  carbon, hydrogen, nitrogen, oxygen

A  using a microscope to observe organisms

B  comparing the growth of ten seedlings grown under white light and another ten seedlings grown under red light

C  comparing the growth of ten seedlings grown under white light at 30°C and another ten seedlings grown under red light at 25°C

D  making a list of all of the bird species observed at a feeder

A  He explained the relationship between genes and evolution.

B  He observed variation within a species.

C  He explained how evolution occurs.

D  He documented change in organisms over time.

A  Archaea

B  Animalia

C  Eukarya

D  Protista

A  the biosphere

B  an ecosystem

C  a biological community

D  a population

A  carbon dioxide and water

B  chemical energy in glucose molecules

C  oxygen

D  kinetic energy