Module 1 Quiz 1

A  hydrogen bonds

B  polar covalent bonds

C  ionic bonds

D  nonpolar covalent bonds

A  increases slightly

B  stays the same

C  decreases slightly

A  gas

B  liquid

C  solid

A  increasing the H+ ion concentration

B  decreasing the amount of carbonate ions

C  increasing the ocean temperature

D  decreasing the H+ ion concentration

A  expands

B  contracts

C  becomes more dense

D  evaporates

A  100

B  10

C  1

D  2

A  CH4

B  H2O

C  O2

D  H2

A  ionic bond

B  van der Waals interaction

C  covalent bond

D  hydrogen bond

A  approximately 8 amu (daltons)

B  approximately 16 grams

C  approximately 8 grams

D  approximately 16 amu (daltons)

A  total number of electrons

B  number of neutrons

C  number of valence electrons

D  mass number

A  8 protons and 8 neutrons

B  16 protons and 16 neutrons

C  16 protons

D  16 neutrons

A  iron

B  nitrogen

C  sodium

D  calcium

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

B  provides extra experimental subjects

C  means that an experiment will be repeatable

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

A  animals

B  plants

C  fungi

D  mammals

A  mutualism

B  an emergent property

C  the organization of life

D  natural selection

A  a biological community

B  an ecosystem

C  a population

D  the biosphere

A  kinetic energy

B  carbon dioxide and water

C  chemical energy in glucose molecules

D  oxygen

A  sodium (Na+) ions

B  acids

C  bases

D  water molecules

A  acts as a base

B  increases the pH

C  is a strong buffer

D  dissociates completely

A  high specific heat

B  high surface tension

C  adhesion

D  evaporative cooling

A  NaCl dissolves more in pure water

B  NaCl dissolves more in methanol

A  gas

B  solid

C  liquid

A  two atoms share a pair of electrons equally

B  two atoms share a pair of electrons unequally

C  one atom transfers an electron to another atom

D  two atoms share a pair of protons equally

A  sharing a pair of electrons between two atoms

B  sharing a pair of protons between two atoms

C  transferring an electron from one atom to another

D  sharing a single electron between two atoms

A  H2

B  NaCl

C  N2

D  O2

A  a hydrogen bond

B  a covalent bond

C  an ionic bond

D  a hydrophilic bond

A  protons

B  number of protons + neutrons

C  number of electrons

D  atomic number

A  carbon, oxygen, phosphorus, hydrogen

B  carbon, hydrogen, nitrogen, oxygen

C  oxygen, hydrogen, calcium, nitrogen

D  carbon, sodium, hydrogen, nitrogen

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

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

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

D  using a microscope to observe organisms

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  an ecosystem

B  a biological community

C  a population

D  the biosphere

A  oxygen

B  carbon dioxide and water

C  chemical energy in glucose molecules

D  kinetic energy