Module 1 Quiz 1

A  hydrogen bonds

B  polar covalent bonds

C  ionic bonds

D  nonpolar covalent bonds

A  decreases slightly

B  stays the same

C  increases slightly

A  gas

B  solid

C  liquid

A  increasing the ocean temperature

B  decreasing the H+ ion concentration

C  decreasing the amount of carbonate ions

D  increasing the H+ ion concentration

A  evaporates

B  contracts

C  expands

D  becomes more dense

A  10

B  2

C  100

D  1

A  H2

B  O2

C  CH4

D  H2O

A  van der Waals interaction

B  hydrogen bond

C  covalent bond

D  ionic bond

A  approximately 16 grams

B  approximately 16 amu (daltons)

C  approximately 8 grams

D  approximately 8 amu (daltons)

A  number of neutrons

B  mass number

C  total number of electrons

D  number of valence electrons

A  16 neutrons

B  8 protons and 8 neutrons

C  16 protons

D  16 protons and 16 neutrons

A  calcium

B  nitrogen

C  iron

D  sodium

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

B  provides extra experimental subjects

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  plants

C  fungi

D  animals

A  the organization of life

B  an emergent property

C  mutualism

D  natural selection

A  an ecosystem

B  a population

C  a biological community

D  the biosphere

A  kinetic energy

B  oxygen

C  carbon dioxide and water

D  chemical energy in glucose molecules

A  bases

B  water molecules

C  sodium (Na+) ions

D  acids

A  is a strong buffer

B  acts as a base

C  dissociates completely

D  increases the pH

A  high specific heat

B  evaporative cooling

C  adhesion

D  high surface tension

A  NaCl dissolves more in methanol

B  NaCl dissolves more in pure water

A  solid

B  liquid

C  gas

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  transferring an electron from one atom to another

B  sharing a pair of electrons between two atoms

C  sharing a pair of protons between two atoms

D  sharing a single electron between two atoms

A  NaCl

B  H2

C  N2

D  O2

A  a hydrophilic bond

B  a covalent bond

C  an ionic bond

D  a hydrogen bond

A  number of protons + neutrons

B  number of electrons

C  protons

D  atomic number

A  carbon, oxygen, phosphorus, hydrogen

B  carbon, hydrogen, nitrogen, oxygen

C  carbon, sodium, hydrogen, nitrogen

D  oxygen, hydrogen, calcium, nitrogen

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

B  using a microscope to observe organisms

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

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

A  He explained how evolution occurs.

B  He observed variation within a species.

C  He explained the relationship between genes and evolution.

D  He documented change in organisms over time.

A  Archaea

B  Eukarya

C  Protista

D  Animalia

A  the biosphere

B  a biological community

C  an ecosystem

D  a population

A  kinetic energy

B  oxygen

C  carbon dioxide and water

D  chemical energy in glucose molecules