Module 1 Quiz 1

A  ionic bonds

B  nonpolar covalent bonds

C  polar covalent bonds

D  hydrogen bonds

A  stays the same

B  increases slightly

C  decreases slightly

A  gas

B  solid

C  liquid

A  increasing the H+ ion concentration

B  increasing the ocean temperature

C  decreasing the amount of carbonate ions

D  decreasing the H+ ion concentration

A  evaporates

B  expands

C  contracts

D  becomes more dense

A  10

B  1

C  100

D  2

A  CH4

B  H2

C  H2O

D  O2

A  hydrogen bond

B  van der Waals interaction

C  ionic bond

D  covalent bond

A  approximately 8 amu (daltons)

B  approximately 16 grams

C  approximately 16 amu (daltons)

D  approximately 8 grams

A  number of neutrons

B  mass number

C  number of valence electrons

D  total number of electrons

A  16 protons

B  8 protons and 8 neutrons

C  16 neutrons

D  16 protons and 16 neutrons

A  nitrogen

B  calcium

C  iron

D  sodium

A  provides extra experimental subjects

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

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

D  means that an experiment will be repeatable

A  plants

B  mammals

C  animals

D  fungi

A  natural selection

B  the organization of life

C  mutualism

D  an emergent property

A  a population

B  a biological community

C  an ecosystem

D  the biosphere

A  carbon dioxide and water

B  chemical energy in glucose molecules

C  kinetic energy

D  oxygen

A  bases

B  sodium (Na+) ions

C  acids

D  water molecules

A  is a strong buffer

B  dissociates completely

C  acts as a base

D  increases the pH

A  adhesion

B  high surface tension

C  evaporative cooling

D  high specific heat

A  NaCl dissolves more in pure water

B  NaCl dissolves more in methanol

A  solid

B  gas

C  liquid

A  two atoms share a pair of electrons unequally

B  two atoms share a pair of electrons equally

C  two atoms share a pair of protons equally

D  one atom transfers an electron to another atom

A  sharing a pair of protons between two atoms

B  transferring an electron from one atom to another

C  sharing a single electron between two atoms

D  sharing a pair of electrons between two atoms

A  O2

B  NaCl

C  N2

D  H2

A  a hydrophilic bond

B  a covalent bond

C  an ionic bond

D  a hydrogen bond

A  atomic number

B  number of electrons

C  number of protons + neutrons

D  protons

A  oxygen, hydrogen, calcium, nitrogen

B  carbon, oxygen, phosphorus, hydrogen

C  carbon, sodium, hydrogen, 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 documented change in organisms over time.

C  He observed variation within a species.

D  He explained how evolution occurs.

A  Archaea

B  Animalia

C  Protista

D  Eukarya

A  the biosphere

B  a biological community

C  an ecosystem

D  a population

A  chemical energy in glucose molecules

B  kinetic energy

C  oxygen

D  carbon dioxide and water