Module 1 Quiz 1

A  nonpolar covalent bonds

B  ionic bonds

C  polar covalent bonds

D  hydrogen bonds

A  increases slightly

B  stays the same

C  decreases slightly

A  liquid

B  solid

C  gas

A  increasing the H+ ion concentration

B  increasing the ocean temperature

C  decreasing the H+ ion concentration

D  decreasing the amount of carbonate ions

A  evaporates

B  becomes more dense

C  expands

D  contracts

A  100

B  10

C  2

D  1

A  H2O

B  O2

C  CH4

D  H2

A  van der Waals interaction

B  hydrogen bond

C  ionic bond

D  covalent bond

A  approximately 8 amu (daltons)

B  approximately 8 grams

C  approximately 16 grams

D  approximately 16 amu (daltons)

A  number of neutrons

B  number of valence electrons

C  total number of electrons

D  mass number

A  16 protons

B  16 neutrons

C  16 protons and 16 neutrons

D  8 protons and 8 neutrons

A  nitrogen

B  iron

C  calcium

D  sodium

A  provides extra experimental subjects

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

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

D  means that an experiment will be repeatable

A  mammals

B  fungi

C  plants

D  animals

A  natural selection

B  an emergent property

C  mutualism

D  the organization of life

A  a population

B  an ecosystem

C  a biological community

D  the biosphere

A  chemical energy in glucose molecules

B  carbon dioxide and water

C  kinetic energy

D  oxygen

A  water molecules

B  sodium (Na+) ions

C  bases

D  acids

A  acts as a base

B  is a strong buffer

C  increases the pH

D  dissociates completely

A  adhesion

B  high surface tension

C  evaporative cooling

D  high specific heat

A  NaCl dissolves more in methanol

B  NaCl dissolves more in pure water

A  gas

B  solid

C  liquid

A  two atoms share a pair of electrons equally

B  one atom transfers an electron to another atom

C  two atoms share a pair of electrons unequally

D  two atoms share a pair of protons equally

A  sharing a single electron between two atoms

B  sharing a pair of electrons between two atoms

C  sharing a pair of protons between two atoms

D  transferring an electron from one atom to another

A  O2

B  H2

C  NaCl

D  N2

A  a hydrogen bond

B  an ionic bond

C  a covalent bond

D  a hydrophilic bond

A  protons

B  number of electrons

C  atomic number

D  number of protons + neutrons

A  carbon, sodium, hydrogen, nitrogen

B  carbon, oxygen, phosphorus, hydrogen

C  oxygen, hydrogen, calcium, nitrogen

D  carbon, hydrogen, nitrogen, oxygen

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

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

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  using a microscope to observe organisms

A  He observed variation within a species.

B  He explained how evolution occurs.

C  He documented change in organisms over time.

D  He explained the relationship between genes and evolution.

A  Eukarya

B  Archaea

C  Animalia

D  Protista

A  the biosphere

B  an ecosystem

C  a population

D  a biological community

A  carbon dioxide and water

B  kinetic energy

C  chemical energy in glucose molecules

D  oxygen