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  solid

B  liquid

C  gas

A  decreasing the amount of carbonate ions

B  decreasing the H+ ion concentration

C  increasing the ocean temperature

D  increasing the H+ ion concentration

A  evaporates

B  contracts

C  expands

D  becomes more dense

A  10

B  2

C  1

D  100

A  H2

B  CH4

C  O2

D  H2O

A  hydrogen bond

B  ionic bond

C  covalent bond

D  van der Waals interaction

A  approximately 16 amu (daltons)

B  approximately 8 amu (daltons)

C  approximately 8 grams

D  approximately 16 grams

A  number of neutrons

B  mass number

C  total number of electrons

D  number of valence electrons

A  16 protons

B  16 neutrons

C  16 protons and 16 neutrons

D  8 protons and 8 neutrons

A  iron

B  nitrogen

C  sodium

D  calcium

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  animals

B  plants

C  fungi

D  mammals

A  natural selection

B  mutualism

C  the organization of life

D  an emergent property

A  the biosphere

B  a population

C  a biological community

D  an ecosystem

A  chemical energy in glucose molecules

B  carbon dioxide and water

C  oxygen

D  kinetic energy

A  bases

B  sodium (Na+) ions

C  water molecules

D  acids

A  dissociates completely

B  increases the pH

C  acts as a base

D  is a strong buffer

A  evaporative cooling

B  high surface tension

C  high specific heat

D  adhesion

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 unequally

B  two atoms share a pair of electrons equally

C  one atom transfers an electron to another atom

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  NaCl

B  N2

C  O2

D  H2

A  a hydrogen bond

B  a covalent bond

C  a hydrophilic bond

D  an ionic bond

A  atomic number

B  number of electrons

C  number of protons + neutrons

D  protons

A  oxygen, hydrogen, calcium, nitrogen

B  carbon, sodium, hydrogen, nitrogen

C  carbon, hydrogen, nitrogen, oxygen

D  carbon, oxygen, phosphorus, hydrogen

A  using a microscope to observe organisms

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

A  He explained the relationship between genes and evolution.

B  He explained how evolution occurs.

C  He documented change in organisms over time.

D  He observed variation within a species.

A  Archaea

B  Protista

C  Animalia

D  Eukarya

A  a biological community

B  the biosphere

C  a population

D  an ecosystem

A  oxygen

B  carbon dioxide and water

C  kinetic energy

D  chemical energy in glucose molecules