Module 1 Quiz 1

A  ionic bonds

B  nonpolar covalent bonds

C  polar covalent bonds

D  hydrogen bonds

A  increases slightly

B  stays the same

C  decreases slightly

A  liquid

B  gas

C  solid

A  decreasing the amount of carbonate ions

B  increasing the H+ ion concentration

C  decreasing the H+ ion concentration

D  increasing the ocean temperature

A  evaporates

B  becomes more dense

C  expands

D  contracts

A  10

B  2

C  1

D  100

A  CH4

B  H2O

C  O2

D  H2

A  ionic bond

B  covalent bond

C  van der Waals interaction

D  hydrogen bond

A  approximately 8 grams

B  approximately 16 grams

C  approximately 16 amu (daltons)

D  approximately 8 amu (daltons)

A  number of valence electrons

B  total number of electrons

C  mass number

D  number of neutrons

A  16 protons and 16 neutrons

B  8 protons and 8 neutrons

C  16 protons

D  16 neutrons

A  calcium

B  sodium

C  nitrogen

D  iron

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  fungi

B  animals

C  plants

D  mammals

A  the organization of life

B  mutualism

C  an emergent property

D  natural selection

A  a biological community

B  the biosphere

C  a population

D  an ecosystem

A  kinetic energy

B  carbon dioxide and water

C  oxygen

D  chemical energy in glucose molecules

A  sodium (Na+) ions

B  bases

C  water molecules

D  acids

A  is a strong buffer

B  increases the pH

C  dissociates completely

D  acts as a base

A  high surface tension

B  evaporative cooling

C  adhesion

D  high specific heat

A  NaCl dissolves more in pure water

B  NaCl dissolves more in methanol

A  liquid

B  gas

C  solid

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  sharing a pair of electrons between two atoms

C  sharing a single electron between two atoms

D  transferring an electron from one atom to another

A  N2

B  H2

C  NaCl

D  O2

A  an ionic bond

B  a hydrophilic bond

C  a covalent bond

D  a hydrogen bond

A  protons

B  number of protons + neutrons

C  atomic number

D  number of electrons

A  carbon, hydrogen, nitrogen, oxygen

B  carbon, sodium, hydrogen, nitrogen

C  carbon, oxygen, phosphorus, hydrogen

D  oxygen, hydrogen, calcium, nitrogen

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

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  using a microscope to observe organisms

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

A  He documented change in organisms over time.

B  He observed variation within a species.

C  He explained how evolution occurs.

D  He explained the relationship between genes and evolution.

A  Animalia

B  Eukarya

C  Archaea

D  Protista

A  an ecosystem

B  the biosphere

C  a population

D  a biological community

A  chemical energy in glucose molecules

B  oxygen

C  carbon dioxide and water

D  kinetic energy